$114+ Cheap flights from Washington, D.C. (WAS) to Luis Munoz Marin Intl (SJU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SJU
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. to Luis Munoz Marin Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. to San Juan Luis Munoz Marin Intl are usually found in February or April, booked 90 days in advance, depart on a Monday or Sunday and return on a Thursday
Cheap flight deals from Washington, D.C. to Luis Munoz Marin Intl
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Cheapest flights from Washington, D.C. to Luis Munoz Marin IntlExplore the most affordable flight options available from Washington, D.C. to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Washington, D.C. to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:56 pm -
1 stop22h 29m
Sun 11/226:00 am -
Nonstop4h 12m
Deal found 10/16![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:21 pm -
Nonstop3h 56m
Sun 11/17:00 am -
1 stop7h 01m
Deal found 10/17![Frontier logo]()
$199
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:56 pm -
1 stop8h 21m
Tue 11/38:45 am -
1 stop29h 16m
Deal found 10/19![Frontier logo]()
$200
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:08 pm -
Nonstop4h 20m
Thu 11/121:56 pm -
Nonstop4h 17m
Deal found 10/18![Frontier logo]()
$201
This Priceline deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:21 pm -
Nonstop3h 56m
Sun 10/257:20 am -
1 stop25h 00m
Deal found 10/15![Frontier logo]()
$202
This FlightHub deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:54 pm -
Nonstop3h 50m
Thu 12/106:00 am -
Nonstop4h 13m
Deal found 10/18![Multiple Airlines logo]()
$203
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:21 pm -
Nonstop3h 56m
Sat 10/313:47 pm -
2 stops23h 29m
Deal found 10/15![Frontier logo]()
$204
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:56 pm -
1 stop22h 50m
Tue 11/38:45 am -
1 stop29h 16m
Deal found 10/19![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:56 pm -
1 stop7h 58m
Sat 11/143:55 pm -
1 stop9h 38m
Deal found 10/16![Frontier logo]()
$206
This Priceline deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:56 pm -
1 stop25h 21m
Tue 11/38:45 am -
1 stop29h 16m
Deal found 10/17![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:45 am -
2 stops11h 35m
Tue 11/246:00 am -
Nonstop4h 12m
Deal found 10/17![Frontier logo]()
$208
This Cheapflightsfares deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:00 pm -
1 stop10h 07m
Mon 12/145:01 am -
1 stop13h 45m
Deal found 10/17![Frontier logo]()
$209
Best flights from Washington, D.C. to Luis Munoz Marin IntlDiscover carefully curated flight deals from Washington, D.C. to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Washington, D.C. to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This JetBlue deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:50 pm -
Nonstop3h 50m
Thu 11/268:05 am -
1 stop7h 33m
Deal found 10/16![JetBlue logo]()
$269
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:29 pm -
Nonstop3h 53m
Wed 11/118:05 am -
Nonstop4h 04m
Deal found 10/14![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/81:40 pm -
1 stop8h 55m
Thu 11/126:05 am -
2 stops11h 45m
Deal found 10/17![Southwest logo]()
$339
This JetBlue deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:16 pm -
Nonstop3h 51m
Thu 11/191:05 pm -
Nonstop3h 54m
Deal found 10/14![JetBlue logo]()
$275
This JetBlue deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:54 pm -
1 stop8h 19m
Sun 11/226:59 pm -
Nonstop3h 58m
Deal found 10/17![JetBlue logo]()
$304
This Southwest deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/712:35 pm -
2 stops10h 00m
Wed 11/1110:45 am -
2 stops8h 20m
Deal found 10/16![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:22 am -
Nonstop3h 53m
Thu 12/101:00 pm -
1 stop9h 13m
Deal found 10/16![United Airlines logo]()
$362
This JetBlue deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/264:50 pm -
Nonstop3h 50m
Wed 12/21:05 pm -
Nonstop3h 54m
Deal found 10/15![JetBlue logo]()
$305
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:05 am -
1 stop6h 27m
Sat 12/128:05 am -
Nonstop4h 04m
Deal found 10/15![United Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:40 pm -
1 stop9h 15m
Tue 11/37:40 am -
2 stops8h 40m
Deal found 10/15![Southwest logo]()
$365
This JetBlue deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:54 pm -
Nonstop3h 50m
Tue 12/81:05 pm -
Nonstop3h 54m
Deal found 10/18![JetBlue logo]()
$305
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:29 pm -
Nonstop3h 53m
Mon 12/78:05 am -
Nonstop4h 04m
Deal found 10/18![United Airlines logo]()
$365
This JetBlue deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/123:10 pm -
1 stop6h 34m
Sat 12/197:00 pm -
Nonstop3h 58m
Deal found 10/14![JetBlue logo]()
$326
This Southwest deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:05 am -
1 stop7h 30m
Fri 10/305:35 pm -
Nonstop4h 05m
Deal found 10/17![Southwest logo]()
$420
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:29 pm -
Nonstop3h 53m
Tue 10/277:05 am -
Nonstop4h 04m
Deal found 10/15![United Airlines logo]()
$397
This JetBlue deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/154:54 pm -
Nonstop3h 50m
Thu 12/171:05 pm -
Nonstop3h 54m
Deal found 10/17![JetBlue logo]()
$330
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:29 pm -
Nonstop3h 53m
Sat 11/78:25 am -
1 stop10h 10m
Deal found 10/16![United Airlines logo]()
$402
This JetBlue deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:50 am -
1 stop7h 33m
Mon 11/24:00 pm -
1 stop7h 15m
Deal found 10/19![JetBlue logo]()
$334
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:45 am -
2 stops9h 40m
Mon 11/1610:45 am -
2 stops8h 20m
Deal found 10/14![Southwest logo]()
$445
This Southwest deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/113:35 pm -
2 stops8h 25m
Mon 12/145:40 am -
2 stops10h 15m
Deal found 10/17![Southwest logo]()
$450
This JetBlue deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:09 am -
1 stop7h 18m
Wed 10/286:25 am -
1 stop8h 25m
Deal found 10/16![JetBlue logo]()
$343
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/98:22 am -
Nonstop3h 53m
Sat 1/168:05 am -
Nonstop4h 04m
Deal found 10/18![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/154:45 pm -
2 stops16h 05m
Sat 1/236:55 am -
1 stop9h 40m
Deal found 10/15![Southwest logo]()
$460
This United Airlines deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:10 am -
2 stops14h 14m
Sat 12/122:05 am -
2 stops12h 56m
Deal found 10/17![United Airlines logo]()
$439
This JetBlue deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:10 pm -
1 stop9h 49m
Thu 12/107:00 pm -
Nonstop3h 58m
Deal found 10/16![JetBlue logo]()
$364
This United Airlines deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/166:00 am -
1 stop6h 32m
Sat 1/238:25 am -
1 stop8h 35m
Deal found 10/18![United Airlines logo]()
$444
This JetBlue deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:00 am -
Nonstop3h 52m
Tue 11/1011:30 am -
1 stop6h 49m
Deal found 10/14![JetBlue logo]()
$379
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:05 pm -
1 stop7h 31m
Thu 11/262:05 am -
1 stop7h 21m
Deal found 10/16![United Airlines logo]()
$450
This JetBlue deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/234:50 pm -
Nonstop3h 50m
Fri 11/276:00 am -
1 stop9h 38m
Deal found 10/15![JetBlue logo]()
$406
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:05 pm -
1 stop7h 31m
Tue 12/12:05 am -
1 stop8h 14m
Deal found 10/15![United Airlines logo]()
$450
Last-minute flights from Washington, D.C. to Luis Munoz Marin IntlDiscover last-minute flight deals from Washington, D.C. to Luis Munoz Marin Intl. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Luis Munoz Marin Intl. Data last updated October 19, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:21 pm -
Nonstop3h 56m
Sun 10/257:20 am -
1 stop25h 00m
Deal found 10/15![Frontier logo]()
$202
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:21 pm -
Nonstop3h 56m
Sat 10/313:47 pm -
2 stops23h 29m
Deal found 10/15![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:21 pm -
Nonstop3h 56m
Sun 11/17:00 am -
1 stop7h 01m
Deal found 10/17![Frontier logo]()
$199
This Priceline deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:56 pm -
1 stop25h 21m
Tue 11/38:45 am -
1 stop29h 16m
Deal found 10/17![Frontier logo]()
$207
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:56 pm -
1 stop22h 50m
Tue 11/38:45 am -
1 stop29h 16m
Deal found 10/19![Frontier logo]()
$205
This Cheapflightsfares deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:56 pm -
1 stop8h 21m
Tue 11/38:45 am -
1 stop29h 16m
Deal found 10/19![Frontier logo]()
$200
This Cheapflightsfares deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:08 pm -
Nonstop4h 20m
Thu 11/121:56 pm -
Nonstop4h 17m
Deal found 10/18![Frontier logo]()
$201
This Frontier deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:56 pm -
1 stop7h 58m
Sat 11/143:55 pm -
1 stop9h 38m
Deal found 10/16![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:52 pm -
1 stop11h 23m
Tue 11/173:55 am -
2 stops13h 19m
Deal found 10/15![Frontier logo]()
$209
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:56 pm -
1 stop22h 29m
Sun 11/226:00 am -
Nonstop4h 12m
Deal found 10/16![Frontier logo]()
$198
This FlightHub deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:16 pm -
Nonstop3h 51m
Thu 11/191:56 pm -
Nonstop4h 17m
Deal found 10/15![Multiple Airlines logo]()
$203
This Frontier deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:45 am -
2 stops11h 35m
Tue 11/246:00 am -
Nonstop4h 12m
Deal found 10/17![Frontier logo]()
$208
One-way flights from Washington, D.C. to Luis Munoz Marin IntlSearch for one-way flight options from Washington, D.C. to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Washington, D.C. to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:50 pm -
1 stop29h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$114
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:54 am -
1 stop12h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:56 pm -
1 stop8h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$116
This JetBlue deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am -
1 stop6h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![JetBlue logo]()
$116
This Mytrip deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:06 pm -
2 stops20h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$117
This Mytrip deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:41 pm -
2 stops20h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$117
This Super.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/163:54 pm -
1 stop8h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![JetBlue logo]()
$117
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:04 pm -
1 stop7h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Frontier logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:07 pm -
1 stop18h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:56 pm -
1 stop22h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$119
This FlightHub deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:07 pm -
1 stop18h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/17![Frontier logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:56 pm -
1 stop25h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Frontier logo]()
$120
Find flight deals from Washington, D.C. to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Cheapflightsfares) |
One-way from | $114 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $374 |
Good round-trip deal | $339 or less |
Good one-way deal | $178 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to Luis Munoz Marin Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.San Juan
DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl
DCASJU
Washington, D.C. Reagan-National
Tue 11/10
7:00 am-3:33 pm
1 stop7h 33m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$130
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Fri 11/13
8:05 pm-1:10 am
Nonstop4h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$143
Washington, D.C.San Juan
DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl
DCASJU
Washington, D.C. Reagan-National
Sat 11/14
6:05 am-5:25 pm
1 stop10h 20m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$147
Quickest round-trip
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Thu 12/3
4:54 pm-9:44 pm
Nonstop3h 50m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$153
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Wed 12/2
4:54 pm-9:44 pm
Nonstop3h 50m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$153
Washington, D.C.San Juan
DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl
DCASJU
Washington, D.C. Reagan-National
Mon 11/9
4:55 pm-1:00 am
1 stop7h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$157
Washington, D.C.San Juan
DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl
DCASJU
Washington, D.C. Reagan-National
Fri 12/11
3:10 pm-10:44 pm
1 stop6h 34m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
Washington, D.C.San Juan
DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl
DCASJU
Washington, D.C. Reagan-National
Wed 11/25
6:40 pm-1:45 am
1 stop6h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$173
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Sat 10/31
1:45 pm-5:50 pm
Nonstop4h 05m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Fri 10/30
8:00 pm-12:10 am
Nonstop4h 10m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
Showing 1-10 of 60 resultsSorted by cheapest first
Compare providers for flights from Washington, D.C. to Luis Munoz Marin Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Luis Munoz Marin Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Washington, D.C.-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C.-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Washington, D.C. to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Washington, D.C. with our price prediction graph.
WAS-SJU
BWI-SJU
IAD-SJU
DCA-SJU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport
WAS-SJU
BWI-SJU
IAD-SJU
DCA-SJU
What is the cheapest month to book a flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport (average of $331). Flying from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $472). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WAS to SJU?
Find hourly flight availability from Washington, D.C. to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 19, 2026.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the morning.
Weekly flight availability from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport
Explore weekly flight availability from Washington, D.C. to Luis Munoz Marin Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated October 19, 2026.
The most flights from WAS to SJU are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?
Airfare is below average for this route at the moment.
Washington, D.C. to San Juan Luis Munoz Marin Intl Airport flights typically cost between $317 and $441 in November.The cheapest round-trip price found within the last 5 days was $198 on Frontier (Nov 14-Nov 22).
What’s the top layover airport for flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Miami (MIA) – chosen by Cheapflights users on 40% of 1-stop itineraries from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Fort Lauderdale (FLL) is the most affordable 1-stop option, with an average round-trip price of $206.
What’s the fastest layover option from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Orlando (MCO) have the shortest average one-way travel time for 1-stop routes: 6h 21m.
Which airport typically offers the quickest layover for flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Orlando (MCO) offer the fastest connection on this route, with an average layover time of 0h 58m.
How often are flights from Washington, D.C. to San Juan delayed?
About 22% of weekly flights between Washington, D.C. and San Juan have experienced delays in the past year, with the average delay time being 135 minutes.
What is the most punctual flight time for Washington, D.C. to San Juan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Washington, D.C. to San Juan flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 19% of flights being delayed.
How far ahead should I book a flight from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?
Booking 30 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Luis Munoz Marin Intl. Price data was last updated on October 10, 2026.
Travelers seeking maximum savings on their Washington, D.C. to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Washington, D.C. to San Juan Luis Munoz Marin Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to San Juan Luis Munoz Marin Intl Airport trip
Our travel experts
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated October 19, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andJetBlue from Washington, D.C. to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
7.9
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsLuquillo
Rio Grande
Fajardo
Dorado
Humacao
Bayamón
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Washington, D.C. to Luis Munoz Marin Intl flights
Consider these flights traveling from Washington, D.C. to Luis Munoz Marin Intl.
Top 6 airlines flying from Washington, D.C. to Luis Munoz Marin Intl
Discover the top 6 airlines that operate flights from Washington, D.C. to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$360 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$135 | Average$466 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$172 | Average$463 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$402 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$223 | Average$459 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$301 | Average$467 | FlexibilityNo cancel fee | On-time63% |