$168+ Cheap flights from Reagan-National (DCA) to Costa Rica
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJO
Oct 21 — Oct 281
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 September 21, 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 September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:51 pm -
1 stop18h 27m
Fri 10/232:44 pm -
1 stop16h 21m
Deal found 9/16![American Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop7h 35m
Wed 10/211:00 pm -
1 stop8h 47m
Deal found 9/16![Delta logo]()
$324
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/245:23 pm -
1 stop21h 55m
Wed 10/282:44 pm -
2 stops18h 11m
Deal found 9/17![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/155:00 am -
1 stop10h 17m
Sat 12/51:33 pm -
1 stop9h 45m
Deal found 9/20![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:20 pm -
1 stop18h 24m
Fri 10/301:20 pm -
1 stop8h 37m
Deal found 9/17![United Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:51 pm -
1 stop18h 27m
Mon 11/163:35 pm -
1 stop16h 53m
Deal found 9/19![American Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/47:20 pm -
1 stop19h 31m
Wed 12/93:35 pm -
2 stops15h 29m
Deal found 9/20![American Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/2610:13 pm -
2 stops17h 05m
Fri 10/302:44 pm -
1 stop16h 21m
Deal found 9/17![American Airlines logo]()
$361
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:59 am -
1 stop7h 18m
Mon 11/233:23 pm -
1 stop18h 37m
Deal found 9/16![American Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop7h 35m
Sat 10/241:00 pm -
1 stop8h 48m
Deal found 9/16![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am -
1 stop16h 15m
Sat 11/217:00 am -
1 stop13h 47m
Deal found 9/16![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:29 pm -
2 stops8h 52m
Thu 11/52:01 pm -
1 stop7h 17m
Deal found 9/16![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 September 21, 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 September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:18 pm -
1 stop18h 12m
Tue 10/272:44 pm -
2 stops18h 11m
Deal found 9/16![American Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 9/16![Delta logo]()
$377
This BusinessClass deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Mon 11/97:20 pm -
2 stops18h 13m
Fri 11/133:35 pm -
2 stops15h 29m
Deal found 9/20![GOL logo]()
$381
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop8h 58m
Fri 10/232:05 pm -
1 stop7h 37m
Deal found 9/16![JetBlue logo]()
$402
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/96:20 pm -
1 stop18h 34m
Sat 11/145:20 pm -
1 stop15h 09m
Deal found 9/20![United Airlines logo]()
$435
This Air Canada deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Wed 11/188:45 pm -
1 stop18h 25m
Thu 11/263:10 pm -
1 stop16h 48m
Deal found 9/20![Air Canada logo]()
$475
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:55 am -
2 stops13h 45m
Mon 10/261:30 pm -
1 stop8h 15m
Deal found 9/18![Southwest logo]()
$555
This JetBlue deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:59 am -
1 stop6h 59m
Wed 10/282:05 pm -
1 stop7h 19m
Deal found 9/18![JetBlue logo]()
$402
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:59 am -
1 stop6h 59m
Thu 10/222:05 pm -
1 stop7h 37m
Deal found 9/16![JetBlue logo]()
$402
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:00 pm -
1 stop9h 15m
Sun 11/222:37 pm -
1 stop17h 37m
Deal found 9/16![Delta logo]()
$462
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/25:00 am -
1 stop10h 18m
Mon 10/52:44 pm -
2 stops18h 11m
Deal found 9/20![American Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/276:00 am -
1 stop8h 10m
Sun 11/18:45 am -
1 stop12h 30m
Deal found 9/20![United Airlines logo]()
$500
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/239:00 am -
1 stop14h 15m
Mon 12/77:00 am -
1 stop10h 25m
Deal found 9/20![Delta logo]()
$462
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:00 am -
1 stop8h 48m
Mon 12/73:05 pm -
1 stop7h 19m
Deal found 9/16![JetBlue logo]()
$420
This Delta deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Thu 11/2612:31 pm -
1 stop10h 44m
Thu 12/37:00 am -
1 stop9h 20m
Deal found 9/20![Delta logo]()
$462
This Southwest deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/221:05 pm -
1 stop8h 35m
Mon 10/261:30 pm -
2 stops17h 00m
Deal found 9/20![Southwest logo]()
$573
This United Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:59 am -
1 stop9h 54m
Thu 11/2611:28 pm -
1 stop9h 01m
Deal found 9/20![United Airlines logo]()
$528
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:30 am -
2 stops12h 10m
Thu 10/229:00 am -
1 stop11h 10m
Deal found 9/16![Southwest logo]()
$579
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
1 stop9h 00m
Fri 12/253:25 pm -
1 stop16h 51m
Deal found 9/17![Delta logo]()
$516
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am -
1 stop8h 15m
Sun 11/82:10 pm -
2 stops19h 00m
Deal found 9/16![Southwest logo]()
$637
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:59 pm -
1 stop15h 16m
Tue 10/137:55 am -
1 stop14h 04m
Deal found 9/18![United Airlines logo]()
$646
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:15 am -
1 stop8h 38m
Mon 1/1112:40 pm -
1 stop7h 37m
Deal found 9/16![JetBlue logo]()
$594
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:00 am -
2 stops13h 40m
Sun 10/259:00 am -
2 stops11h 50m
Deal found 9/16![Southwest logo]()
$687
Last-minute flights from Reagan-National to Costa RicaDiscover last-minute flight deals from Reagan-National to Costa Rica. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Reagan-National to Costa Rica. Data last updated September 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:51 pm -
1 stop18h 27m
Wed 10/142:44 pm -
2 stops18h 11m
Deal found 9/19![American Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop7h 35m
Wed 10/211:00 pm -
1 stop8h 47m
Deal found 9/16![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop7h 35m
Sat 10/241:00 pm -
1 stop8h 48m
Deal found 9/16![Delta logo]()
$365
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/168:51 pm -
1 stop18h 27m
Fri 10/232:44 pm -
1 stop16h 21m
Deal found 9/16![American Airlines logo]()
$284
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:51 pm -
1 stop18h 27m
Thu 10/292:44 pm -
2 stops17h 01m
Deal found 9/19![American Airlines logo]()
$363
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:18 pm -
1 stop18h 12m
Tue 10/272:44 pm -
1 stop16h 21m
Deal found 9/16![American Airlines logo]()
$370
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Sat 10/245:23 pm -
1 stop21h 55m
Wed 10/282:44 pm -
2 stops18h 11m
Deal found 9/17![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/258:51 pm -
1 stop18h 27m
Mon 11/163:35 pm -
1 stop16h 53m
Deal found 9/19![American Airlines logo]()
$358
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:20 pm -
1 stop18h 24m
Fri 10/301:20 pm -
1 stop8h 37m
Deal found 9/17![United Airlines logo]()
$356
This American Airlines deal was found by Cheapflights users on 9/17. 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 10/2610:13 pm -
2 stops17h 05m
Fri 10/302:44 pm -
2 stops15h 19m
Deal found 9/17![American Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
1 stop8h 00m
Tue 11/32:25 pm -
1 stop7h 24m
Deal found 9/18![Delta logo]()
$378
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:29 pm -
2 stops8h 52m
Sat 11/72:01 pm -
1 stop7h 17m
Deal found 9/16![American Airlines logo]()
$383
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 September 21, 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 September 21, 2026.
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
1 stop8h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$168
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/93:17 pm -
1 stop22h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$180
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/38:51 pm -
1 stop18h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$182
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:20 pm -
1 stop19h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:00 am -
1 stop17h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 9/17. 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 11/58:51 pm -
1 stop18h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$200
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:20 am -
1 stop13h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$210
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:10 pm -
2 stops20h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$218
This JetBlue deal was found by Cheapflights users on 9/17. 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.
Sun 12/66:15 am -
1 stop8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![JetBlue logo]()
$230
This American Airlines deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 10/195:00 am -
2 stops33h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$234
This KAYAK deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop8h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![JetBlue logo]()
$235
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:29 pm -
2 stops24h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$235
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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $276 (American Airlines) |
One-way from | $168 (United Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $431 |
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 7,457,451 searches. Data last updated September 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Costa Rica 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
Wed 9/23
7:29 pm-12:21 pm
1 stop18h 52m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$168
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Fri 12/4
7:20 pm-1:51 pm
1 stop19h 31m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$183
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Thu 11/5
8:51 pm-2:17 pm
1 stop18h 26m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$200
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Sun 12/6
6:15 am-1:53 pm
1 stop8h 38m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$230
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Fri 9/25
12:57 pm-7:15 am
2 stops20h 18m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$233
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Wed 11/11
8:55 pm-12:20 pm
2 stops16h 25m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$235
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Fri 10/23
6:00 am-12:58 pm
1 stop8h 58m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$235
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Sat 11/7
8:51 pm-1:01 pm
1 stop17h 10m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$247
Quickest 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
Thu 10/22
1:05 pm-7:40 pm
1 stop8h 35m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$248
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Wed 11/18
10:15 am-10:15 pm
1 stop13h 00m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$252
Showing 1-10 of 38 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Costa Rica (average of $415). Flying from Washington, D.C. Reagan-National Airport to Costa Rica in April is currently the most expensive (average of $688). 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 September 21, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Boarding
8.1
Crew
8.6
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from 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.
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Reagan-National and Costa Rica flights
Browse other Reagan-National and Costa Rica flight options. Last updated on September 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Reagan-National to Costa Rica
Discover the top 5 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 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$180 | Average$584 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$224 | Average$425 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$235 | Average$467 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$280 | Average$587 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$299 | Average$579 | FlexibilityNo cancel fee | On-time63% |