$92+ Cheap flights from Washington, D.C. (WAS) to San Juan
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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SJU
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Washington, D.C. to San Juan 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 are usually found in February or April, booked 48 days in advance, depart on a Sunday or Monday and return on a Thursday
Cheap flight deals from Washington, D.C. to San Juan
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Cheapest flights from Washington, D.C. to San JuanExplore the most affordable flight options available from Washington, D.C. to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
Explore the most affordable flight options available from Washington, D.C. to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2026.
This Priceline deal was found by Cheapflights users on 9/12. 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.
Fri 11/139:52 pm -
1 stop27h 58m
Fri 11/206:00 am -
Nonstop4h 12m
Deal found 9/12![Frontier logo]()
$219
This JetBlue deal was found by Cheapflights users on 9/12. 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.
Sun 10/256:00 am -
1 stop7h 04m
Wed 10/284:30 pm -
1 stop6h 54m
Deal found 9/12![JetBlue logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/159:21 pm -
Nonstop3h 56m
Tue 10/2010:39 am -
1 stop7h 41m
Deal found 9/11![Frontier logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 11/99:52 pm -
1 stop11h 23m
Thu 11/121:56 pm -
Nonstop4h 17m
Deal found 9/11![Frontier logo]()
$233
This Travelocity deal was found by Cheapflights users on 9/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:51 pm -
1 stop11h 18m
Sat 10/312:58 pm -
1 stop9h 24m
Deal found 9/15![Frontier logo]()
$235
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:21 pm -
Nonstop3h 54m
Thu 10/84:24 pm -
Nonstop4h 02m
Deal found 9/14![Frontier logo]()
$236
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:21 pm -
Nonstop3h 56m
Thu 10/155:11 pm -
1 stop7h 23m
Deal found 9/14![Frontier logo]()
$238
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:21 pm -
Nonstop3h 56m
Mon 10/127:20 am -
1 stop25h 00m
Deal found 9/14![Frontier logo]()
$239
This Priceline deal was found by Cheapflights users on 9/15. 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 10/151:56 pm -
1 stop23h 35m
Thu 10/224:24 pm -
Nonstop4h 02m
Deal found 9/15![Frontier logo]()
$240
This Priceline deal was found by Cheapflights users on 9/15. 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.
Mon 11/2310:07 am -
Nonstop3h 53m
Thu 12/38:44 pm -
1 stop13h 28m
Deal found 9/15![Frontier logo]()
$241
This JetBlue deal was found by Cheapflights users on 9/11. 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.
Sun 10/118:00 am -
1 stop7h 23m
Tue 10/139:00 am -
1 stop5h 58m
Deal found 9/11![JetBlue logo]()
$242
This Priceline deal was found by Cheapflights users on 9/12. 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.
Fri 11/1311:16 am -
1 stop26h 27m
Fri 11/208:53 am -
Nonstop4h 17m
Deal found 9/12![Frontier logo]()
$255
Best flights from Washington, D.C. to San JuanDiscover carefully curated flight deals from Washington, D.C. to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from Washington, D.C. to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This JetBlue deal was found by Cheapflights users on 9/13. 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 10/283:40 pm -
1 stop6h 29m
Sun 11/15:30 pm -
1 stop7h 00m
Deal found 9/13![JetBlue logo]()
$263
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 10/248:40 am -
Nonstop3h 54m
Tue 10/277:05 am -
Nonstop4h 04m
Deal found 9/15![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 9/15. 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.
Tue 10/207:00 pm -
Nonstop4h 10m
Tue 10/275:50 am -
Nonstop4h 10m
Deal found 9/15![Southwest logo]()
$343
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:08 am -
1 stop9h 48m
Sun 11/157:00 am -
1 stop10h 37m
Deal found 9/13![Delta logo]()
$431
This JetBlue deal was found by Cheapflights users on 9/11. 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 10/286:10 am -
1 stop6h 54m
Sat 11/71:30 pm -
Nonstop3h 53m
Deal found 9/11![JetBlue logo]()
$271
This JetBlue deal was found by Cheapflights users on 9/13. 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 12/93:25 pm -
1 stop6h 19m
Thu 12/173:30 pm -
1 stop6h 53m
Deal found 9/13![JetBlue logo]()
$278
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 10/248:20 am -
Nonstop4h 05m
Tue 10/275:05 am -
1 stop6h 30m
Deal found 9/15![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/18:22 am -
Nonstop3h 53m
Fri 12/48:05 am -
Nonstop4h 04m
Deal found 9/14![United Airlines logo]()
$357
This JetBlue deal was found by Cheapflights users on 9/14. 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 11/34:55 pm -
1 stop7h 18m
Mon 11/95:30 pm -
1 stop6h 54m
Deal found 9/14![JetBlue logo]()
$310
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 10/242:40 pm -
2 stops9h 15m
Tue 10/275:05 am -
2 stops8h 00m
Deal found 9/15![Southwest logo]()
$354
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/265:30 pm -
1 stop6h 20m
Sat 10/34:55 pm -
Nonstop3h 52m
Deal found 9/12![United Airlines logo]()
$362
This JetBlue deal was found by Cheapflights users on 9/14. 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 12/13:10 pm -
1 stop6h 34m
Fri 12/47:00 pm -
Nonstop3h 58m
Deal found 9/14![JetBlue logo]()
$319
This Southwest deal was found by Cheapflights users on 9/12. 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 10/176:05 pm -
Nonstop4h 10m
Tue 10/205:50 am -
Nonstop4h 10m
Deal found 9/12![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/269:09 am -
2 stops14h 41m
Mon 9/281:00 am -
2 stops12h 58m
Deal found 9/12![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 9/15. 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.
Tue 12/810:55 am -
1 stop10h 25m
Tue 12/156:10 am -
2 stops8h 30m
Deal found 9/15![Southwest logo]()
$358
This JetBlue deal was found by Cheapflights users on 9/14. 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 12/53:25 pm -
1 stop6h 19m
Sat 12/126:10 pm -
1 stop6h 20m
Deal found 9/14![JetBlue logo]()
$326
This United Airlines deal was found by Cheapflights users on 9/12. 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 9/274:30 pm -
1 stop7h 20m
Tue 9/291:00 am -
2 stops14h 42m
Deal found 9/12![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 11/142:45 pm -
2 stops7h 50m
Sat 11/215:15 pm -
1 stop8h 05m
Deal found 9/15![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 9/13. 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.
Thu 10/297:00 am -
2 stops9h 45m
Mon 11/24:00 pm -
2 stops9h 30m
Deal found 9/13![Southwest logo]()
$364
This JetBlue deal was found by Cheapflights users on 9/13. 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 10/226:00 am -
1 stop7h 27m
Mon 10/265:50 pm -
Nonstop3h 58m
Deal found 9/13![JetBlue logo]()
$380
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/145:29 pm -
Nonstop3h 53m
Fri 11/208:05 am -
Nonstop4h 04m
Deal found 9/13![United Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 9/15. 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.
Sat 11/78:40 am -
2 stops9h 35m
Tue 11/107:40 am -
2 stops8h 40m
Deal found 9/15![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 9/15. 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.
Mon 9/2112:55 pm -
1 stop7h 10m
Tue 9/221:45 pm -
2 stops10h 10m
Deal found 9/15![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/106:11 am -
1 stop8h 29m
Tue 11/175:50 pm -
Nonstop4h 06m
Deal found 9/15![United Airlines logo]()
$452
This JetBlue deal was found by Cheapflights users on 9/11. 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 10/108:00 am -
Nonstop3h 51m
Sun 10/255:50 pm -
Nonstop3h 58m
Deal found 9/11![JetBlue logo]()
$422
This Southwest deal was found by Cheapflights users on 9/11. 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 10/285:40 pm -
1 stop6h 10m
Sat 11/75:40 am -
2 stops11h 15m
Deal found 9/11![Southwest logo]()
$376
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/1412:40 pm -
2 stops11h 10m
Thu 10/151:00 am -
2 stops10h 55m
Deal found 9/14![United Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Fri 10/212:40 pm -
2 stops11h 10m
Mon 10/51:00 am -
2 stops10h 55m
Deal found 9/12![United Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 9/12. 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.
Thu 10/223:25 pm -
2 stops10h 00m
Mon 10/266:00 am -
1 stop12h 15m
Deal found 9/12![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 9/13. 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 9/276:45 am -
1 stop7h 00m
Wed 9/301:00 am -
2 stops12h 59m
Deal found 9/13![United Airlines logo]()
$456
Last-minute flights from Washington, D.C. to San JuanDiscover last-minute flight deals from Washington, D.C. to San Juan. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to San Juan. Data last updated September 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Tue 9/299:21 pm -
Nonstop3h 54m
Thu 10/13:08 am -
1 stop6h 55m
Deal found 9/11![Frontier logo]()
$243
This Orbitz deal was found by Cheapflights users on 9/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:21 pm -
Nonstop3h 54m
Thu 10/84:24 pm -
Nonstop4h 02m
Deal found 9/14![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sun 10/49:21 pm -
Nonstop3h 54m
Wed 10/76:30 am -
1 stop10h 16m
Deal found 9/15![Frontier logo]()
$244
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:21 pm -
Nonstop3h 56m
Thu 10/155:11 pm -
1 stop7h 23m
Deal found 9/14![Frontier logo]()
$238
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:21 pm -
Nonstop3h 56m
Mon 10/127:20 am -
1 stop25h 00m
Deal found 9/14![Frontier logo]()
$239
This JetBlue deal was found by Cheapflights users on 9/11. 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.
Sun 10/118:00 am -
1 stop7h 23m
Tue 10/139:00 am -
1 stop5h 58m
Deal found 9/11![JetBlue logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/139:12 pm -
2 stops19h 14m
Tue 10/206:42 pm -
1 stop13h 38m
Deal found 9/13![Frontier logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/159:21 pm -
Nonstop3h 56m
Tue 10/2010:39 am -
1 stop7h 41m
Deal found 9/11![Frontier logo]()
$232
This Travelocity deal was found by Cheapflights users on 9/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:51 pm -
1 stop11h 18m
Sat 10/312:58 pm -
1 stop9h 24m
Deal found 9/15![Frontier logo]()
$235
This Priceline deal was found by Cheapflights users on 9/15. 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 10/151:56 pm -
1 stop23h 35m
Thu 10/224:24 pm -
Nonstop4h 02m
Deal found 9/15![Frontier logo]()
$240
This Super.com deal was found by Cheapflights users on 9/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:50 am -
1 stop8h 16m
Mon 10/197:44 pm -
1 stop14h 33m
Deal found 9/14![Frontier logo]()
$291
This JetBlue deal was found by Cheapflights users on 9/12. 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.
Sun 10/256:00 am -
1 stop7h 04m
Wed 10/284:30 pm -
1 stop6h 54m
Deal found 9/12![JetBlue logo]()
$225
One-way flights from Washington, D.C. to San JuanSearch for one-way flight options from Washington, D.C. to San Juan. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
Search for one-way flight options from Washington, D.C. to San Juan. Find affordable one-way fares based on user searches. Data last updated September 16, 2026.
This Super.com deal was found by Cheapflights users on 9/14. 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 Super.com 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 9/14![Frontier logo]()
$92
This Priceline deal was found by Cheapflights users on 9/15. 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.
Wed 10/1410:50 am -
1 stop15h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Frontier logo]()
$93
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:50 am -
1 stop15h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$94
This JetBlue deal was found by Cheapflights users on 9/14. 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 11/103:40 pm -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![JetBlue logo]()
$95
This CheapOair deal was found by Cheapflights users on 9/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:21 pm -
Nonstop3h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$101
This Super.com deal was found by Cheapflights users on 9/13. 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 11/29:52 pm -
1 stop11h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$102
This Super.com deal was found by Cheapflights users on 9/13. 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.
Sat 11/79:52 pm -
1 stop11h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Tue 10/1310:50 am -
1 stop15h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$104
This Travelocity deal was found by Cheapflights users on 9/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:27 am -
1 stop13h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Mon 11/99:52 pm -
1 stop11h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Tue 10/67:50 am -
2 stops26h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/19:04 pm -
2 stops26h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$141
Find flight deals from Washington, D.C. to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to San Juan (PR1). 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 September 16, 2026.
Round-trip from | $219 (Priceline) |
|---|---|
One-way from | $92 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $367 |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. to San Juan 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 September 16, 2026.
Use the filters below to find and compare flights from Washington, D.C. to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Tue 12/8
8:00 am-3:58 pm
1 stop6h 58m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$123
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Tue 12/1
3:25 pm-10:44 pm
1 stop6h 19m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$134
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 10/31
3:54 pm-12:13 am
1 stop8h 19m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$150
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 10/16
6:10 am-4:45 pm
1 stop10h 35m
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
Sat 10/10
6:00 am-1:27 pm
1 stop7h 27m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$163
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Tue 12/15
3:25 pm-10:44 pm
1 stop6h 19m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$168
BaltimoreSan Juan
BWI Baltimore/Washington - SJU San Juan Luis Munoz Marin Intl
BWISJU
Baltimore/Washington
Fri 10/30
6:10 am-8:24 pm
2 stops14h 14m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$172
Washington, D.C.San Juan
IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl
IADSJU
Washington, D.C. Dulles Intl
Tue 12/1
12:35 pm-11:59 pm
1 stop10h 24m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$173
Washington, D.C.San Juan
IAD Washington, D.C. Dulles Intl - SJU San Juan Luis Munoz Marin Intl
IADSJU
Washington, D.C. Dulles Intl
Mon 12/14
12:35 pm-11:59 pm
1 stop10h 24m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$173
Washington, D.C.San Juan
DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl
DCASJU
Washington, D.C. Reagan-National
Sun 12/13
6:10 am-1:53 pm
1 stop6h 43m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$173
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Washington, D.C. with our price prediction graph.
WAS-PR1
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
WAS-PR1
BWI-SJU
IAD-SJU
DCA-SJU
What is the cheapest month to book a flight from Washington, D.C. to San Juan?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to San Juan (average of $330). Flying from Washington, D.C. to San Juan 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 San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2026.
A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.
Weekly flight availability from Washington, D.C. to San Juan
Explore weekly flight availability from Washington, D.C. to San Juan. 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 September 16, 2026.
The most flights from WAS to PR1 are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Washington, D.C. to San Juan?
Airfare is below average for this route at the moment.
Washington, D.C. to San Juan flights typically cost between $321 and $468 in November.The cheapest round-trip price found within the last 5 days was $219 on Frontier (Nov 13-Nov 20).
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?
To ensure you get the cheapest price possible for a flight from Washington, D.C. to San Juan, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Washington, D.C. to San Juan?
Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to San Juan. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Washington, D.C. to San Juan flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated September 16, 2026.
Read through reviews of airlines operating flights from Washington, D.C. to San Juan, such as Southwest,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Washington, D.C. and San Juan flights
Browse other Washington, D.C. and San Juan flight options. Last updated on September 16, 2026.
Other flights from Washington, D.C.
Browse through other flights departing from Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on September 16, 2026.
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Washington, D.C. to San Juan flights
Consider these flights traveling from Washington, D.C. to San Juan.
Top 6 airlines flying from Washington, D.C. to San Juan
Discover the top 6 airlines that operate flights from Washington, D.C. to San Juan. 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 September 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$89 | Average$362 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$135 | Average$448 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$146 | Average$464 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$461 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$213 | Average$407 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$299 | Average$471 | FlexibilityNo cancel fee | On-time63% |