$168+ Cheap flights from Reagan-National (DCA) to San José (SJO)
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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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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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Cheapest flights from Reagan-National to San JoséExplore the most affordable flight options available from Reagan-National to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
Explore the most affordable flight options available from Reagan-National to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2026.
This United Airlines deal was found by Cheapflights users on 8/10. 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 10/3112:50 pm -
1 stop8h 49m
Sat 11/712:35 pm -
1 stop8h 40m
Deal found 8/10![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 8/9. 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.
Wed 11/46:00 am -
1 stop8h 00m
Wed 11/117:00 am -
1 stop14h 44m
Deal found 8/9![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 8/10. 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 10/175:00 am -
1 stop11h 00m
Sat 10/246:00 am -
2 stops14h 20m
Deal found 8/10![American Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 8/8. 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 11/48:55 pm -
2 stops16h 25m
Wed 11/111:20 pm -
1 stop8h 35m
Deal found 8/8![Southwest logo]()
$384
This American Airlines deal was found by Cheapflights users on 8/9. 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 9/115:00 am -
1 stop10h 57m
Fri 9/251:00 pm -
1 stop17h 59m
Deal found 8/9![American Airlines logo]()
$385
This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:00 am -
2 stops11h 00m
Sun 10/253:01 pm -
1 stop16h 04m
Deal found 8/11![American Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 9/216:00 am -
1 stop8h 21m
Mon 9/287:55 am -
1 stop14h 04m
Deal found 8/7![United Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Mon 9/1412:57 pm -
1 stop8h 40m
Mon 9/287:55 am -
1 stop11h 10m
Deal found 8/10![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/305:00 am -
1 stop9h 59m
Tue 10/66:00 am -
1 stop8h 31m
Deal found 8/10![American Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 11/512:50 pm -
1 stop8h 49m
Tue 11/108:45 am -
1 stop11h 12m
Deal found 8/9![United Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 8/11. 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.
Tue 10/209:10 am -
2 stops12h 30m
Thu 10/291:30 pm -
2 stops17h 20m
Deal found 8/11![Southwest logo]()
$404
Best flights from Reagan-National to San JoséDiscover carefully curated flight deals from Reagan-National to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
Discover carefully curated flight deals from Reagan-National to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 11, 2026.
This United Airlines deal was found by Cheapflights users on 8/10. 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 10/3112:50 pm -
1 stop8h 49m
Sat 11/712:35 pm -
1 stop8h 40m
Deal found 8/10![United Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 8/9. 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.
Mon 8/316:59 am -
1 stop6h 50m
Tue 11/32:25 pm -
1 stop8h 22m
Deal found 8/9![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 8/6. 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 10/175:00 am -
1 stop9h 00m
Sat 10/246:00 am -
2 stops14h 20m
Deal found 8/6![American Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 8/8. 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 11/48:55 pm -
2 stops16h 25m
Wed 11/111:20 pm -
1 stop8h 35m
Deal found 8/8![Southwest logo]()
$384
This JetBlue deal was found by Cheapflights users on 8/8. 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 10/267:59 am -
1 stop7h 00m
Fri 10/302:05 pm -
1 stop7h 29m
Deal found 8/8![JetBlue logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/8. 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.
Mon 11/96:00 am -
1 stop8h 22m
Mon 11/168:45 am -
1 stop8h 47m
Deal found 8/8![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 8/7. 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 10/316:00 am -
1 stop8h 22m
Tue 11/311:28 pm -
1 stop9h 01m
Deal found 8/7![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 8/8. 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 9/2412:55 pm -
1 stop7h 50m
Mon 9/289:00 am -
1 stop12h 55m
Deal found 8/8![Southwest logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/10. 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 10/246:00 am -
1 stop8h 21m
Sun 11/112:35 pm -
1 stop8h 40m
Deal found 8/10![United Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 8/9. 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 11/59:15 pm -
2 stops16h 05m
Tue 11/101:20 pm -
1 stop8h 35m
Deal found 8/9![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 8/9. 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 9/1112:55 pm -
1 stop7h 50m
Fri 9/259:00 am -
2 stops11h 30m
Deal found 8/9![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/226:00 am -
1 stop8h 21m
Tue 9/297:55 am -
1 stop11h 10m
Deal found 8/8![United Airlines logo]()
$407
Last-minute flights from Reagan-National to San JoséDiscover last-minute flight deals from Reagan-National to San José. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to San José. Data last updated August 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/8. 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 8/285:00 am -
2 stops10h 52m
Sun 9/66:00 am -
1 stop15h 41m
Deal found 8/8![American Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 8/9. 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.
Sun 8/308:45 pm -
1 stop17h 04m
Tue 11/32:25 pm -
1 stop8h 22m
Deal found 8/9![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 8/9. 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 9/75:00 am -
1 stop9h 26m
Sat 9/266:00 am -
2 stops14h 00m
Deal found 8/9![American Airlines logo]()
$421
This American Airlines deal was found by Cheapflights users on 8/9. 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 9/115:00 am -
1 stop10h 57m
Fri 9/251:00 pm -
1 stop17h 59m
Deal found 8/9![American Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Mon 9/1412:57 pm -
1 stop8h 40m
Mon 9/287:55 am -
1 stop11h 10m
Deal found 8/10![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/9. 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 9/175:00 am -
2 stops10h 57m
Sat 9/261:00 pm -
1 stop18h 02m
Deal found 8/9![American Airlines logo]()
$413
This American Airlines deal was found by Cheapflights users on 8/9. 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 9/1811:47 am -
1 stop10h 20m
Mon 9/211:00 pm -
1 stop17h 59m
Deal found 8/9![American Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Mon 9/216:00 am -
1 stop8h 21m
Mon 9/287:55 am -
1 stop14h 04m
Deal found 8/7![United Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 8/8. 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 9/226:00 am -
1 stop8h 21m
Tue 9/297:55 am -
1 stop11h 10m
Deal found 8/8![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 8/9. 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 9/2412:55 pm -
1 stop7h 50m
Mon 9/289:00 am -
1 stop12h 55m
Deal found 8/9![Southwest logo]()
$429
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 9/305:00 am -
1 stop9h 59m
Tue 10/66:00 am -
1 stop8h 31m
Deal found 8/10![American Airlines logo]()
$395
One-way flights from Reagan-National to San JoséSearch for one-way flight options from Reagan-National to San José. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
Search for one-way flight options from Reagan-National to San José. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This American Airlines deal was found by Cheapflights users on 8/7. 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 8/155:00 am -
1 stop16h 52m
Deal found 8/7![American Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 8/7. 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 8/2010:11 am -
2 stops11h 42m
Deal found 8/7![American Airlines logo]()
$170
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/186:52 am -
2 stops15h 00m
Deal found 8/10![American Airlines logo]()
$171
This JetBlue deal was found by Cheapflights users on 8/8. 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 9/66:00 am -
1 stop8h 57m
Deal found 8/8![JetBlue logo]()
$175
This BusinessClass deal was found by Cheapflights users on 8/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:32 am -
2 stops13h 20m
Deal found 8/9![GOL logo]()
$180
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:40 pm -
2 stops11h 20m
Deal found 8/9![Air Canada logo]()
$183
This Southwest deal was found by Cheapflights users on 8/11. 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.
Tue 9/811:40 am -
2 stops9h 05m
Deal found 8/11![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 8/10. 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 10/308:00 am -
2 stops13h 40m
Deal found 8/10![Southwest logo]()
$188
This Kissandfly.com deal was found by Cheapflights users on 8/7. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:00 am -
1 stop10h 52m
Deal found 8/7![British Airways logo]()
$194
This Southwest deal was found by Cheapflights users on 8/10. 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 9/137:25 am -
2 stops13h 15m
Deal found 8/10![Southwest logo]()
$198
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:40 pm -
2 stops33h 40m
Deal found 8/9![Air Canada logo]()
$205
This American Airlines deal was found by Cheapflights users on 8/9. 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 8/146:52 am -
2 stops15h 00m
Deal found 8/9![American Airlines logo]()
$206
Find flight deals from Reagan-National to San José
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to San José (SJO). 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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $370 (United Airlines) |
One-way from | $168 (American Airlines) |
Popular in | August |
Cheapest in | November |
Average price | $703 |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National to San José 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 11, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Sat 10/31
12:50 pm-7:39 pm
1 stop8h 49m
San José Juan Santamaria Intl
Sat 11/7
12:35 pm-10:15 pm
1 stop8h 40m
$370
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Mon 8/31
6:59 am-11:49 am
1 stop6h 50m
San José Juan Santamaria Intl
Tue 11/3
2:25 pm-11:47 pm
1 stop8h 22m
$378
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Mon 11/9
6:00 am-1:22 pm
1 stop8h 22m
San José Juan Santamaria Intl
Mon 11/16
8:45 am-6:32 pm
1 stop8h 47m
$378
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Sat 10/31
6:00 am-12:22 pm
1 stop8h 22m
San José Juan Santamaria Intl
Tue 11/3
11:28 pm-9:29 am
1 stop9h 01m
$378
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Sat 10/24
6:00 am-12:21 pm
1 stop8h 21m
San José Juan Santamaria Intl
Sun 11/1
12:35 pm-10:15 pm
1 stop8h 40m
$378
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Sat 10/17
5:00 am-12:00 pm
1 stop9h 00m
San José Juan Santamaria Intl
Sat 10/24
6:00 am-10:20 pm
2 stops14h 20m
$383
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Wed 11/4
8:55 pm-12:20 pm
2 stops16h 25m
San José Juan Santamaria Intl
Wed 11/11
1:20 pm-10:55 pm
1 stop8h 35m
$384
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Tue 9/22
6:00 am-12:21 pm
1 stop8h 21m
San José Juan Santamaria Intl
Tue 9/29
7:55 am-9:05 pm
1 stop11h 10m
$407
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Thu 9/24
12:55 pm-6:45 pm
1 stop7h 50m
San José Juan Santamaria Intl
Mon 9/28
9:00 am-11:55 pm
1 stop12h 55m
$429
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Thu 11/5
9:15 pm-12:20 pm
2 stops16h 05m
San José Juan Santamaria Intl
Tue 11/10
1:20 pm-10:55 pm
1 stop8h 35m
$433
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Reagan-National to San José
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 Reagan-National to San José in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San José 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. Reagan-National Airport-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San José 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. Reagan-National Airport-San José 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 Reagan-National to San José
Have a flexible travel schedule? Discover the best time to fly to San José from Reagan-National with our price prediction graph.
DCA-SJO
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 José
How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San José?
The best time to book flights from Washington, D.C. Reagan-National Airport to San José is 43 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.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San José?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San José (average of $305). Flying from Washington, D.C. Reagan-National Airport to San José in August is currently the most expensive (average of $703). 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.
How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to San José?
Airfare is below average for this route at the moment.
Washington, D.C. Reagan-National Airport to San José flights typically cost between $514 and $943 in October.The cheapest round-trip price found within the last 5 days was $370 on United Airlines (Oct 31-Nov 4).
Reviews of airlines servicing San José
Get insights into the airlines that provide service to San José. 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 José. Reviews last updated August 11, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Washington, D.C. Reagan-National Airport to San José 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
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Reagan-National to San José. 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 José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Jacó
Heredia
Dominical
Manuel Antonio
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Reagan-National and San José flights
Browse other Reagan-National and San José flight options. Last updated on August 11, 2026.
Other flights from Reagan-National
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Top 4 airlines flying from Reagan-National to San José
Discover the top 4 airlines that operate flights from Reagan-National to San José. 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 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$235 | Average$454 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$261 | Average$494 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$375 | Average$518 | FlexibilityNo cancel fee | On-time62% |