$135+ Cheap flights from Reagan-National (DCA) to Costa Rica
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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
Sep 13 — Sep 201
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 Costa RicaExplore the most affordable flight options available from Reagan-National to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Reagan-National to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/267:45 pm -
1 stop19h 15m
Wed 12/303:15 pm -
1 stop16h 47m
Deal found 8/11![Delta logo]()
$326
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.
Wed 10/286:00 am -
1 stop9h 18m
Mon 11/23:35 pm -
1 stop16h 53m
Deal found 8/11![American Airlines logo]()
$331
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:51 pm -
1 stop18h 27m
Tue 10/272:44 pm -
1 stop7h 44m
Deal found 8/13![American Airlines logo]()
$335
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.
Sun 12/66:00 am -
1 stop8h 10m
Thu 12/105:15 pm -
1 stop16h 14m
Deal found 8/10![United Airlines logo]()
$338
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 11/78:51 pm -
1 stop16h 42m
Sat 11/143:17 pm -
1 stop16h 46m
Deal found 8/10![American Airlines logo]()
$340
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1610:00 pm -
1 stop17h 00m
Thu 12/243:15 pm -
1 stop16h 47m
Deal found 8/12![Delta logo]()
$346
This BusinessClass 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:13 pm -
2 stops17h 05m
Mon 10/262:44 pm -
1 stop16h 21m
Deal found 8/13![GOL logo]()
$353
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:00 am -
1 stop10h 18m
Tue 10/132:44 pm -
1 stop16h 21m
Deal found 8/13![American Airlines logo]()
$365
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:00 am -
1 stop8h 29m
Thu 9/32:45 pm -
1 stop16h 33m
Deal found 8/13![American Airlines logo]()
$366
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
Wed 11/42:25 pm -
1 stop8h 32m
Deal found 8/10![United Airlines logo]()
$370
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:50 pm -
1 stop8h 49m
Wed 11/1111:28 pm -
1 stop9h 01m
Deal found 8/13![United Airlines logo]()
$378
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.
Sun 10/255:00 am -
1 stop9h 00m
Sat 10/316:00 am -
2 stops11h 30m
Deal found 8/11![American Airlines logo]()
$383
Best flights from Reagan-National to Costa RicaDiscover carefully curated flight deals from Reagan-National to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Reagan-National to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This United 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 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 10m
Sat 9/261:03 pm -
1 stop17h 51m
Deal found 8/11![United Airlines logo]()
$326
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
1 stop7h 45m
Tue 11/32:00 pm -
1 stop7h 49m
Deal found 8/13![Delta logo]()
$398
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:45 pm -
2 stops18h 35m
Sun 12/63:10 pm -
2 stops20h 09m
Deal found 8/13![Air Canada logo]()
$402
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 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.
Sun 11/157:59 am -
1 stop7h 01m
Sat 12/53:09 pm -
1 stop7h 15m
Deal found 8/12![JetBlue logo]()
$438
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.
Sun 2/710:58 am -
1 stop8h 39m
Thu 2/115:15 pm -
1 stop14h 04m
Deal found 8/9![United Airlines logo]()
$350
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 11/76:00 am -
1 stop8h 10m
Tue 11/175:20 pm -
1 stop14h 04m
Deal found 8/10![United Airlines logo]()
$376
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/309:00 am -
1 stop14h 15m
Thu 12/107:00 am -
1 stop15h 44m
Deal found 8/12![Delta 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.
Thu 11/59:15 pm -
2 stops16h 05m
Tue 11/101:20 pm -
1 stop8h 35m
Deal found 8/9![Southwest logo]()
$433
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:05 am -
1 stop28h 15m
Fri 11/63:10 pm -
1 stop27h 48m
Deal found 8/13![Air Canada logo]()
$448
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:10 am -
1 stop8h 23m
Sat 10/312:05 pm -
1 stop7h 29m
Deal found 8/9![JetBlue logo]()
$450
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 JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:10 am -
1 stop8h 23m
Fri 10/302:05 pm -
1 stop7h 29m
Deal found 8/9![JetBlue logo]()
$450
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2312:26 pm -
1 stop10h 49m
Mon 12/77:00 am -
1 stop12h 35m
Deal found 8/11![Delta logo]()
$462
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
1 stop8h 10m
Mon 12/78:35 am -
1 stop12h 38m
Deal found 8/13![United Airlines logo]()
$438
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.
Tue 9/16:59 am -
1 stop6h 50m
Mon 11/22:25 pm -
1 stop17h 45m
Deal found 8/9![Delta logo]()
$462
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 10/159:30 am -
2 stops12h 10m
Tue 10/271:00 pm -
1 stop8h 35m
Deal found 8/9![Southwest logo]()
$498
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:00 am -
1 stop8h 10m
Sun 11/225:20 pm -
1 stop16h 09m
Deal found 8/14![United Airlines logo]()
$465
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.
Mon 8/2412:55 pm -
1 stop7h 45m
Sat 9/51:15 pm -
2 stops17h 25m
Deal found 8/12![Southwest logo]()
$507
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.
Mon 10/59:00 am -
2 stops12h 40m
Mon 10/129:00 am -
2 stops21h 30m
Deal found 8/13![Southwest logo]()
$527
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
1 stop8h 10m
Sun 9/131:20 pm -
1 stop8h 39m
Deal found 8/13![United Airlines logo]()
$550
Last-minute flights from Reagan-National to Costa RicaDiscover last-minute flight deals from Reagan-National to Costa Rica. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to Costa Rica. Data last updated August 14, 2026 and is based on user searches.
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
Wed 10/281:25 pm -
1 stop8h 22m
Deal found 8/9![Delta logo]()
$378
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:00 am -
1 stop8h 29m
Thu 9/32:45 pm -
1 stop16h 33m
Deal found 8/13![American Airlines logo]()
$366
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 9/1010:24 pm -
2 stops16h 54m
Mon 9/142:47 pm -
2 stops18h 02m
Deal found 8/11![American Airlines logo]()
$412
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 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:00 am -
1 stop17h 07m
Sat 9/261:00 pm -
1 stop18h 02m
Deal found 8/13![American Airlines logo]()
$398
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 9/136:00 am -
1 stop9h 18m
Thu 9/172:47 pm -
1 stop7h 44m
Deal found 8/12![American Airlines logo]()
$326
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.
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 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:57 pm -
1 stop8h 40m
Fri 9/257:55 am -
1 stop8h 33m
Deal found 8/11![United Airlines logo]()
$414
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop7h 57m
Thu 10/11:05 pm -
1 stop8h 12m
Deal found 8/11![JetBlue logo]()
$416
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:00 am -
1 stop7h 57m
Thu 10/11:05 pm -
1 stop8h 12m
Deal found 8/11![JetBlue logo]()
$402
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.
Wed 9/305:00 am -
1 stop9h 59m
Tue 10/66:00 am -
1 stop8h 31m
Deal found 8/12![American Airlines logo]()
$395
One-way flights from Reagan-National to Costa RicaSearch for one-way flight options from Reagan-National to Costa Rica. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Reagan-National to Costa Rica. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
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.
Sun 11/158:51 pm -
1 stop18h 26m
Deal found 8/11![American Airlines logo]()
$135
This United 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 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 10m
Deal found 8/11![United Airlines logo]()
$147
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:20 pm -
1 stop18h 24m
Deal found 8/13![United Airlines logo]()
$157
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.
Wed 10/76:00 am -
1 stop8h 10m
Deal found 8/9![United Airlines logo]()
$159
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.
Sat 9/191:44 pm -
1 stop25h 34m
Deal found 8/11![American Airlines logo]()
$161
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:34 am -
1 stop11h 45m
Deal found 8/11![United Airlines logo]()
$168
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.
Tue 9/296:00 am -
1 stop8h 59m
Deal found 8/12![American Airlines logo]()
$171
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:59 am -
1 stop7h 00m
Deal found 8/11![JetBlue logo]()
$173
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.
Sun 9/136:00 am -
1 stop7h 35m
Deal found 8/13![Southwest logo]()
$174
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.
Tue 12/86:00 am -
1 stop6h 46m
Deal found 8/12![JetBlue logo]()
$175
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.
Wed 8/196:00 am -
1 stop8h 03m
Deal found 8/12![American Airlines logo]()
$178
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 8/235:00 am -
1 stop9h 26m
Deal found 8/12![American Airlines logo]()
$181
Find flight deals from Reagan-National to Costa Rica
Keep the following information in mind while searching for Reagan-National to Costa Rica flight deals. Data was last updated August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $326 (Delta) |
One-way from | $135 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $457 |
Cheapflights Fare Finder
Customize your flight search to find flights from Reagan-National to Costa Rica 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 14, 2026.
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Cheapest round-trip
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Tue 9/22
6:00 am-12:10 pm
1 stop8h 10m
Liberia
Sat 9/26
1:03 pm-8:54 am
1 stop17h 51m
$326
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Sun 2/7
10:58 am-6:37 pm
1 stop8h 39m
Liberia
Thu 2/11
5:15 pm-8:19 am
1 stop14h 04m
$350
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Sat 11/7
6:00 am-1:10 pm
1 stop8h 10m
Liberia
Tue 11/17
5:20 pm-8:24 am
1 stop14h 04m
$376
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Fri 10/30
6:00 am-11:45 am
1 stop7h 45m
Liberia
Tue 11/3
2:00 pm-10:49 pm
1 stop7h 49m
$398
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Tue 12/1
8:45 pm-2:20 pm
2 stops18h 35m
Liberia
Sun 12/6
3:10 pm-12:19 pm
2 stops20h 09m
$402
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
Mon 11/30
9:00 am-10:15 pm
1 stop14h 15m
San José Juan Santamaria Intl
Thu 12/10
7:00 am-11:44 pm
1 stop15h 44m
$433
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
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Fri 9/11
12:55 pm-6:45 pm
1 stop7h 50m
San José Juan Santamaria Intl
Fri 9/25
9:00 am-10:30 pm
2 stops11h 30m
$433
Quickest round-trip
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Sun 11/15
7:59 am-2:00 pm
1 stop7h 01m
Liberia
Sat 12/5
3:09 pm-11:24 pm
1 stop7h 15m
$438
Showing 1-10 of 41 resultsSorted by cheapest first
Best time to book a flight from Reagan-National to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Reagan-National with our price prediction graph.
DCA-LIR
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 Costa Rica
DCA-CR0
DCA-LIR
DCA-SJO
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Costa Rica?
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Costa Rica (average of $358). Flying from Washington, D.C. Reagan-National Airport to Costa Rica 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 far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Costa Rica?
To ensure you get the cheapest price possible for a flight from Washington, D.C. Reagan-National Airport to Costa Rica, you should look to book at least 11 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.
Reviews of airlines servicing Costa Rica
Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated August 14, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Washington, D.C. Reagan-National Airport to Costa Rica by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Crew
8.5
Entertainment
7.8
Boarding
8.1
Food
7.2
Comfort
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 Costa Rica. 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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Alternative routes for Reagan-National to Costa Rica
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Complete your trip
Complete your trip to Costa Rica by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Reagan-National to Costa Rica by cabin class
Find flights from Reagan-National to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Reagan-National and Costa Rica flights
Browse other Reagan-National and Costa Rica flight options. Last updated on August 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Reagan-National to Costa Rica
Discover the top 4 airlines that operate flights from Reagan-National to Costa Rica. 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$470 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$224 | Average$417 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$235 | Average$467 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$261 | Average$552 | FlexibilityNo cancel fee | On-time71% |