$151+ Cheap flights from Reagan-National (DCA) to San Juan
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJU
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Reagan-National 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. Reagan-National to San Juan are usually found in October or February, booked 70 days in advance, depart on a Tuesday or Sunday and return on a Friday
Cheap flight deals from Reagan-National to San Juan
Cheapest
Best
Last-minute
One-way
Cheapest flights from Reagan-National to San JuanExplore the most affordable flight options available from Reagan-National to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Reagan-National to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:00 pm -
1 stop12h 24m
Sat 9/192:22 pm -
1 stop6h 38m
Deal found 8/12![American Airlines logo]()
$296
This JetBlue deal was found by Cheapflights users on 8/12. 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.
Wed 9/168:00 am -
Nonstop3h 52m
Thu 9/246:07 pm -
Nonstop3h 51m
Deal found 8/12![JetBlue logo]()
$297
This Super.com deal was found by Cheapflights users on 8/13. 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.
Thu 9/107:05 am -
1 stop8h 22m
Sat 9/196:07 pm -
Nonstop3h 51m
Deal found 8/13![JetBlue logo]()
$298
This Super.com deal was found by Cheapflights users on 8/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:05 am -
1 stop8h 22m
Tue 9/156:07 pm -
Nonstop3h 51m
Deal found 8/15![JetBlue logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:51 pm -
1 stop12h 52m
Sat 9/53:47 pm -
1 stop6h 04m
Deal found 8/12![American Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:59 pm -
1 stop14h 44m
Tue 9/15:10 pm -
1 stop6h 31m
Deal found 8/14![American Airlines logo]()
$301
This JetBlue deal was found by Cheapflights users on 8/13. 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.
Sun 9/68:00 am -
Nonstop3h 59m
Mon 9/72:20 am -
1 stop8h 42m
Deal found 8/13![JetBlue logo]()
$302
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop7h 26m
Wed 10/145:50 pm -
Nonstop3h 51m
Deal found 8/13![JetBlue logo]()
$303
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:00 pm -
1 stop12h 24m
Mon 10/56:30 am -
1 stop10h 01m
Deal found 8/17![American Airlines logo]()
$304
This Flysmarter deal was found by Cheapflights users on 8/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:00 am -
Nonstop3h 52m
Tue 9/292:49 pm -
1 stop6h 14m
Deal found 8/12![JetBlue logo]()
$305
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sat 8/2911:55 am -
1 stop6h 10m
Sat 9/55:05 am -
2 stops8h 50m
Deal found 8/17![Southwest logo]()
$306
This JetBlue deal was found by Cheapflights users on 8/13. 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.
Mon 11/168:00 am -
Nonstop3h 51m
Tue 11/176:50 pm -
Nonstop3h 57m
Deal found 8/13![JetBlue logo]()
$307
Best flights from Reagan-National to San JuanDiscover carefully curated flight deals from Reagan-National to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Reagan-National to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This Southwest deal was found by Cheapflights users on 8/16. 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.
Mon 8/245:05 pm -
1 stop6h 45m
Fri 8/286:30 am -
2 stops8h 10m
Deal found 8/16![Southwest logo]()
$315
This JetBlue deal was found by Cheapflights users on 8/13. 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.
Sun 11/158:00 am -
Nonstop3h 51m
Thu 11/197:00 pm -
Nonstop3h 58m
Deal found 8/13![JetBlue logo]()
$342
This Southwest deal was found by Cheapflights users on 8/14. 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.
Sat 10/105:10 pm -
1 stop6h 40m
Tue 10/135:05 am -
2 stops8h 00m
Deal found 8/14![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 8/12. 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 8/272:50 pm -
1 stop8h 15m
Mon 8/315:45 pm -
1 stop6h 10m
Deal found 8/12![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 8/16. 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.
Thu 8/272:50 pm -
1 stop8h 15m
Sat 8/2911:45 am -
2 stops10h 05m
Deal found 8/16![Southwest logo]()
$355
This Southwest deal was found by Cheapflights users on 8/14. 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.
Thu 10/15:35 pm -
1 stop6h 45m
Mon 10/55:00 am -
2 stops9h 15m
Deal found 8/14![Southwest logo]()
$355
This Southwest deal was found by Cheapflights users on 8/17. 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 10/92:40 pm -
1 stop8h 25m
Tue 10/138:15 am -
1 stop6h 45m
Deal found 8/17![Southwest logo]()
$355
This Southwest deal was found by Cheapflights users on 8/16. 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.
Tue 10/2010:35 am -
2 stops9h 55m
Mon 10/266:30 am -
2 stops10h 10m
Deal found 8/16![Southwest logo]()
$360
This Southwest deal was found by Cheapflights users on 8/14. 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.
Sat 8/296:00 am -
2 stops10h 40m
Sun 9/66:30 am -
2 stops8h 10m
Deal found 8/14![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 8/12. 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 8/2211:45 am -
1 stop6h 30m
Sat 8/298:20 am -
2 stops9h 40m
Deal found 8/12![Southwest logo]()
$370
This Southwest deal was found by Cheapflights users on 8/13. 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.
Fri 9/42:50 pm -
1 stop8h 20m
Tue 9/85:15 am -
1 stop10h 50m
Deal found 8/13![Southwest logo]()
$371
This Southwest deal was found by Cheapflights users on 8/12. 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 10/2410:15 am -
2 stops9h 50m
Wed 10/285:05 am -
2 stops8h 00m
Deal found 8/12![Southwest logo]()
$381
Last-minute flights from Reagan-National to San JuanDiscover last-minute flight deals from Reagan-National to San Juan. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to San Juan. Data last updated August 17, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sat 8/2911:55 am -
1 stop6h 10m
Sat 9/55:05 am -
2 stops8h 50m
Deal found 8/17![Southwest logo]()
$306
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:51 pm -
1 stop12h 52m
Sat 9/53:47 pm -
1 stop6h 04m
Deal found 8/12![American Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 8/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:59 pm -
1 stop14h 44m
Tue 9/15:10 pm -
1 stop6h 31m
Deal found 8/14![American Airlines logo]()
$301
This JetBlue deal was found by Cheapflights users on 8/13. 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.
Sun 9/68:00 am -
Nonstop3h 59m
Mon 9/72:20 am -
1 stop8h 42m
Deal found 8/13![JetBlue logo]()
$302
This JetBlue deal was found by Cheapflights users on 8/13. 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 9/98:00 am -
Nonstop3h 52m
Fri 9/116:07 pm -
Nonstop3h 51m
Deal found 8/13![JetBlue logo]()
$307
This Super.com deal was found by Cheapflights users on 8/13. 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.
Thu 9/107:05 am -
1 stop8h 22m
Sat 9/196:07 pm -
Nonstop3h 51m
Deal found 8/13![JetBlue logo]()
$298
This Super.com deal was found by Cheapflights users on 8/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:05 am -
1 stop8h 22m
Tue 9/156:07 pm -
Nonstop3h 51m
Deal found 8/15![JetBlue logo]()
$299
This American Airlines deal was found by Cheapflights users on 8/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:00 pm -
1 stop12h 24m
Sat 9/192:22 pm -
1 stop6h 38m
Deal found 8/12![American Airlines logo]()
$296
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:00 am -
Nonstop3h 52m
Wed 9/162:32 pm -
1 stop6h 35m
Deal found 8/13![JetBlue logo]()
$309
This JetBlue deal was found by Cheapflights users on 8/12. 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.
Wed 9/168:00 am -
Nonstop3h 52m
Thu 9/246:07 pm -
Nonstop3h 51m
Deal found 8/12![JetBlue logo]()
$297
This Flysmarter deal was found by Cheapflights users on 8/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:00 am -
Nonstop3h 52m
Tue 9/292:49 pm -
1 stop6h 14m
Deal found 8/12![JetBlue logo]()
$305
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:00 pm -
1 stop16h 57m
Wed 9/302:22 pm -
1 stop6h 51m
Deal found 8/17![American Airlines logo]()
$304
One-way flights from Reagan-National to San JuanSearch for one-way flight options from Reagan-National to San Juan. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Reagan-National to San Juan. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This Super.com deal was found by Cheapflights users on 8/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:00 am -
Nonstop3h 52m
Deal found 8/17![JetBlue logo]()
$151
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:00 am -
2 stops8h 50m
Deal found 8/17![American Airlines logo]()
$152
This Southwest deal was found by Cheapflights users on 8/17. 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 8/2812:55 pm -
1 stop7h 10m
Deal found 8/17![Southwest logo]()
$153
This JetBlue deal was found by Cheapflights users on 8/17. 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 9/298:00 am -
Nonstop3h 52m
Deal found 8/17![JetBlue logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Fri 9/117:00 am -
2 stops43h 13m
Deal found 8/13![Frontier logo]()
$161
This Southwest deal was found by Cheapflights users on 8/16. 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 8/2211:55 am -
1 stop7h 25m
Deal found 8/16![Southwest logo]()
$162
This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 pm -
1 stop6h 52m
Deal found 8/14![Delta logo]()
$163
This Super.com deal was found by Cheapflights users on 8/14. 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 8/298:00 am -
Nonstop3h 59m
Deal found 8/14![JetBlue logo]()
$164
This Super.com deal was found by Cheapflights users on 8/13. 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.
Tue 9/18:00 am -
Nonstop3h 59m
Deal found 8/13![JetBlue logo]()
$165
This Super.com deal was found by Cheapflights users on 8/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:00 am -
Nonstop3h 59m
Deal found 8/17![JetBlue logo]()
$166
Find flight deals from Reagan-National to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 August 17, 2026.
Round-trip from | $296 (Super.com) |
|---|---|
One-way from | $151 (Super.com) |
Popular in | June |
Cheapest in | October |
Average price | $406 |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National 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 2,558,603 searches. Data last updated August 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San Juan 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
Mon 8/24
5:05 pm-11:50 pm
1 stop6h 45m
San Juan Luis Munoz Marin Intl
Fri 8/28
6:30 am-2:40 pm
2 stops8h 10m
$315
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
5:10 pm-11:50 pm
1 stop6h 40m
San Juan Luis Munoz Marin Intl
Tue 10/13
5:05 am-1:05 pm
2 stops8h 00m
$326
Washington, D.C.San Juan
DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl
DCASJU
Washington, D.C. Reagan-National
Thu 8/27
2:50 pm-11:05 pm
1 stop8h 15m
San Juan Luis Munoz Marin Intl
Mon 8/31
5:45 pm-11:55 pm
1 stop6h 10m
$335
Quickest 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
Sun 11/15
8:00 am-12:51 pm
Nonstop3h 51m
San Juan Luis Munoz Marin Intl
Thu 11/19
7:00 pm-9:58 pm
Nonstop3h 58m
$342
Washington, D.C.San Juan
DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl
DCASJU
Washington, D.C. Reagan-National
Thu 8/27
2:50 pm-11:05 pm
1 stop8h 15m
San Juan Luis Munoz Marin Intl
Sat 8/29
11:45 am-9:50 pm
2 stops10h 05m
$355
Washington, D.C.San Juan
DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl
DCASJU
Washington, D.C. Reagan-National
Thu 10/1
5:35 pm-12:20 am
1 stop6h 45m
San Juan Luis Munoz Marin Intl
Mon 10/5
5:00 am-2:15 pm
2 stops9h 15m
$355
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 10/9
2:40 pm-11:05 pm
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Tue 10/13
8:15 am-3:00 pm
1 stop6h 45m
$355
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 10/20
10:35 am-8:30 pm
2 stops9h 55m
San Juan Luis Munoz Marin Intl
Mon 10/26
6:30 am-4:40 pm
2 stops10h 10m
$360
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 8/29
6:00 am-4:40 pm
2 stops10h 40m
San Juan Luis Munoz Marin Intl
Sun 9/6
6:30 am-2:40 pm
2 stops8h 10m
$364
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 8/22
11:45 am-6:15 pm
1 stop6h 30m
San Juan Luis Munoz Marin Intl
Sat 8/29
8:20 am-6:00 pm
2 stops9h 40m
$370
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Reagan-National to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Reagan-National with our price prediction graph.
DCA-PR1
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. Reagan-National Airport to San Juan
DCA-PR1
DCA-SJU
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Juan?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Juan (average of $304). Flying from Washington, D.C. Reagan-National Airport to San Juan in June is currently the most expensive (average of $532). 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 DCA to SJU?
Find hourly flight availability from Reagan-National 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 August 17, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to San Juan as you normally would.
Weekly flight availability from Washington, D.C. Reagan-National Airport to San Juan
Explore weekly flight availability from Reagan-National 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 August 17, 2026.
The most flights from DCA to PR1 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, 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. Reagan-National Airport to San Juan?
Airfare is below average for this route at the moment.
Washington, D.C. Reagan-National Airport to San Juan flights typically cost between $346 and $497 in September.The cheapest round-trip price found within the last 5 days was $296 on JetBlue (Sep 10-Sep 17).
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 153 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 morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Friday 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, JetBlue have had the lowest number of delays on this route, with just 22% of flights being delayed.
How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San Juan?
The best time to book flights from Washington, D.C. Reagan-National Airport to San Juan is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 August 17, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Washington, D.C. Reagan-National Airport to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Reagan-National 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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Complete your trip
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Reagan-National and San Juan flights
Browse other Reagan-National and San Juan flight options. Last updated on August 17, 2026.
Other flights from Reagan-National
Browse through other flights departing from Reagan-National. Flights are based on user searches made on Cheapflights and were last updated on August 17, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Reagan-National to San Juan
Discover the top 6 airlines that operate flights from Reagan-National 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 2,558,603 searches. Data last updated August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$103 | Average$410 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$142 | Average$462 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$230 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$235 | Average$449 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$335 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$291 | Average$404 | FlexibilityNo cancel fee | On-time63% |