$122+ Cheap flights from Washington, D.C. (WAS) 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SJO
Nov 13 — Nov 201
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Washington, D.C. to Costa Rica with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Washington, D.C. to Costa Rica
Cheapest
Best
Last-minute
One-way
Cheapest flights from Washington, D.C. to Costa RicaExplore the most affordable flight options available from Washington, D.C. to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
Explore the most affordable flight options available from Washington, D.C. to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 14, 2026.
This American Airlines deal was found by Cheapflights users on 10/10. 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 10/275:00 am -
1 stop10h 18m
Thu 10/292:44 pm -
1 stop7h 44m
Deal found 10/10![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 10/10. 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 10/278:16 pm -
2 stops19h 02m
Thu 10/292:18 pm -
1 stop18h 47m
Deal found 10/10![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 10/10. 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 10/276:15 am -
2 stops9h 03m
Thu 10/292:44 pm -
2 stops25h 39m
Deal found 10/10![American Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
1 stop17h 15m
Thu 11/197:00 am -
1 stop7h 44m
Deal found 10/10![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 10/10. 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 10/247:14 pm -
1 stop20h 29m
Wed 10/282:44 pm -
1 stop25h 45m
Deal found 10/10![American Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/306:59 am -
1 stop8h 44m
Tue 11/31:33 pm -
1 stop8h 57m
Deal found 10/13![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop13h 37m
Fri 11/62:20 pm -
1 stop8h 18m
Deal found 10/12![United Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop13h 37m
Wed 11/42:20 pm -
1 stop8h 37m
Deal found 10/13![United Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 10/13. 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.
Tue 10/276:00 am -
1 stop7h 45m
Thu 10/291:00 pm -
1 stop9h 42m
Deal found 10/13![Delta logo]()
$331
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 11/278:04 pm -
1 stop17h 24m
Thu 12/31:35 pm -
1 stop8h 54m
Deal found 10/10![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 11/277:20 pm -
1 stop18h 08m
Thu 12/31:35 pm -
1 stop8h 52m
Deal found 10/10![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 10/13. 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 11/276:57 pm -
1 stop18h 14m
Fri 12/43:35 pm -
2 stops23h 11m
Deal found 10/13![American Airlines logo]()
$333
Best flights from Washington, D.C. to Costa RicaDiscover carefully curated flight deals from Washington, D.C. to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
Discover carefully curated flight deals from Washington, D.C. to Costa Rica that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop8h 10m
Fri 11/62:20 pm -
1 stop8h 37m
Deal found 10/13![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 10/13. 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.
Sun 1/248:30 pm -
1 stop17h 15m
Sat 2/63:25 pm -
1 stop16h 47m
Deal found 10/13![Delta logo]()
$359
This Copa Airlines deal was found by Cheapflights users on 10/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:43 pm -
1 stop20h 16m
Thu 11/53:59 am -
1 stop9h 15m
Deal found 10/11![Copa Airlines logo]()
$383
This JetBlue deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:39 am -
1 stop7h 25m
Tue 12/153:09 pm -
1 stop7h 15m
Deal found 10/13![JetBlue logo]()
$400
This Southwest deal was found by Cheapflights users on 10/12. 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.
Sun 10/256:10 am -
2 stops15h 30m
Thu 10/291:30 pm -
2 stops17h 20m
Deal found 10/12![Southwest logo]()
$529
This KAYAK deal was found by Cheapflights users on 10/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/28:51 am -
Nonstop4h 59m
Sat 2/62:20 pm -
1 stop29h 31m
Deal found 10/9![Multiple Airlines logo]()
$562
This Delta deal was found by Cheapflights users on 10/11. 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.
Fri 10/306:00 am -
1 stop7h 45m
Tue 11/32:00 pm -
1 stop9h 42m
Deal found 10/11![Delta logo]()
$380
This Copa Airlines deal was found by Cheapflights users on 10/11. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/93:30 pm -
1 stop20h 32m
Sun 12/135:35 am -
1 stop16h 57m
Deal found 10/11![Copa Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 11/266:00 am -
1 stop15h 39m
Sat 12/52:15 pm -
Nonstop4h 44m
Deal found 10/14![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop8h 00m
Mon 11/92:37 pm -
1 stop9h 21m
Deal found 10/10![Delta logo]()
$386
This Copa Airlines deal was found by Cheapflights users on 10/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:34 pm -
1 stop18h 30m
Sun 11/83:59 am -
1 stop8h 59m
Deal found 10/10![Copa Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
1 stop8h 22m
Thu 10/2911:35 am -
1 stop10h 03m
Deal found 10/12![United Airlines logo]()
$410
This Copa Airlines deal was found by Cheapflights users on 10/12. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:34 pm -
1 stop16h 36m
Wed 10/214:08 am -
1 stop22h 12m
Deal found 10/12![Copa Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am -
1 stop6h 45m
Tue 11/32:00 pm -
1 stop9h 31m
Deal found 10/14![Delta logo]()
$398
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2410:59 am -
1 stop9h 54m
Wed 12/211:28 pm -
1 stop8h 51m
Deal found 10/14![United Airlines logo]()
$413
This Delta deal was found by Cheapflights users on 10/9. 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.
Thu 11/1210:11 am -
1 stop13h 04m
Tue 11/177:00 am -
1 stop7h 59m
Deal found 10/9![Delta logo]()
$399
This JetBlue deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:10 am -
1 stop8h 50m
Fri 11/133:05 pm -
1 stop7h 25m
Deal found 10/13![JetBlue logo]()
$544
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:15 am -
1 stop8h 06m
Sat 10/247:55 am -
1 stop9h 07m
Deal found 10/13![United Airlines logo]()
$413
This Southwest deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:15 am -
2 stops12h 25m
Tue 10/279:00 am -
1 stop7h 55m
Deal found 10/14![Southwest logo]()
$559
This United Airlines deal was found by Cheapflights users on 10/13. 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 10/236:15 am -
1 stop7h 55m
Fri 10/304:20 pm -
1 stop17h 08m
Deal found 10/13![United Airlines logo]()
$416
This Justfly.com deal was found by Cheapflights users on 10/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:50 am -
1 stop7h 10m
Fri 11/133:05 pm -
1 stop7h 19m
Deal found 10/9![JetBlue logo]()
$559
This Southwest deal was found by Cheapflights users on 10/10. 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.
Mon 11/29:55 pm -
2 stops15h 25m
Wed 11/41:20 pm -
1 stop7h 45m
Deal found 10/10![Southwest logo]()
$560
This Southwest deal was found by Cheapflights users on 10/13. 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 2/19:05 pm -
2 stops18h 25m
Sat 2/62:30 pm -
2 stops17h 25m
Deal found 10/13![Southwest logo]()
$562
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 11/1312:50 pm -
1 stop8h 49m
Tue 11/1711:28 pm -
1 stop9h 01m
Deal found 10/9![United Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 10/11. 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 11/1411:08 am -
1 stop12h 07m
Mon 11/162:37 pm -
1 stop9h 21m
Deal found 10/11![Delta logo]()
$496
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Mon 11/96:00 am -
1 stop8h 10m
Fri 11/131:00 pm -
1 stop15h 19m
Deal found 10/9![United Airlines logo]()
$443
This Southwest deal was found by Cheapflights users on 10/13. 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.
Sat 11/289:45 pm -
2 stops17h 05m
Sat 12/51:15 pm -
2 stops20h 50m
Deal found 10/13![Southwest logo]()
$613
This Delta deal was found by Cheapflights users on 10/9. 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.
Fri 11/136:00 am -
1 stop8h 12m
Mon 11/167:00 am -
1 stop12h 41m
Deal found 10/9![Delta logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/14. 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 1/208:30 pm -
1 stop17h 26m
Thu 1/282:06 pm -
1 stop17h 53m
Deal found 10/14![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 10/10. 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.
Mon 11/29:15 pm -
2 stops17h 00m
Wed 11/41:20 pm -
1 stop8h 35m
Deal found 10/10![Southwest logo]()
$614
Last-minute flights from Washington, D.C. to Costa RicaDiscover last-minute flight deals from Washington, D.C. to Costa Rica. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from Washington, D.C. to Costa Rica. Data last updated October 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/10. 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 10/247:14 pm -
1 stop20h 29m
Wed 10/282:44 pm -
1 stop25h 45m
Deal found 10/10![American Airlines logo]()
$292
This American Airlines deal was found by Cheapflights users on 10/10. 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 10/275:00 am -
1 stop10h 18m
Thu 10/292:44 pm -
1 stop7h 44m
Deal found 10/10![American Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 10/10. 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 10/278:16 pm -
2 stops19h 02m
Thu 10/292:18 pm -
1 stop18h 47m
Deal found 10/10![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 10/10. 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 10/276:15 am -
2 stops9h 03m
Thu 10/292:44 pm -
2 stops25h 39m
Deal found 10/10![American Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 10/13. 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.
Tue 10/276:00 am -
1 stop7h 45m
Thu 10/291:00 pm -
1 stop9h 42m
Deal found 10/13![Delta logo]()
$331
This American Airlines deal was found by Cheapflights users on 10/13. 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 10/306:59 am -
1 stop8h 44m
Tue 11/31:33 pm -
1 stop8h 57m
Deal found 10/13![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop13h 37m
Fri 11/62:20 pm -
1 stop8h 18m
Deal found 10/12![United Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am -
1 stop13h 37m
Wed 11/42:20 pm -
1 stop8h 37m
Deal found 10/13![United Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 10/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
1 stop17h 15m
Thu 11/197:00 am -
1 stop7h 44m
Deal found 10/10![Delta logo]()
$289
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 11/278:04 pm -
1 stop17h 24m
Thu 12/31:35 pm -
1 stop8h 54m
Deal found 10/10![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Fri 11/277:20 pm -
1 stop18h 08m
Thu 12/31:35 pm -
1 stop8h 52m
Deal found 10/10![American Airlines logo]()
$332
This American Airlines deal was found by Cheapflights users on 10/13. 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 11/276:57 pm -
1 stop18h 14m
Fri 12/43:35 pm -
2 stops23h 11m
Deal found 10/13![American Airlines logo]()
$333
One-way flights from Washington, D.C. to Costa RicaSearch for one-way flight options from Washington, D.C. to Costa Rica. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
Search for one-way flight options from Washington, D.C. to Costa Rica. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This Delta deal was found by Cheapflights users on 10/13. 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 1/16:00 am -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Delta logo]()
$122
This American Airlines deal was found by Cheapflights users on 10/10. 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.
Sun 1/105:07 pm -
2 stops22h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![American Airlines logo]()
$122
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/158:08 am -
1 stop15h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Delta logo]()
$123
This American Airlines deal was found by Cheapflights users on 10/11. 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 11/75:40 pm -
2 stops19h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![American Airlines logo]()
$128
This American Airlines deal was found by Cheapflights users on 10/11. 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 11/77:17 pm -
2 stops18h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![American Airlines logo]()
$128
This JetBlue deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:39 am -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![JetBlue logo]()
$129
This American Airlines deal was found by Cheapflights users on 10/11. 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 10/314:04 pm -
2 stops22h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![American Airlines logo]()
$132
This JetBlue deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:10 am -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![JetBlue logo]()
$135
This JetBlue deal was found by Cheapflights users on 10/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:20 am -
1 stop8h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![JetBlue logo]()
$145
This Frontier deal was found by Cheapflights users on 10/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:52 pm -
1 stop12h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Frontier logo]()
$148
This United Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:00 am -
1 stop13h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![United Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Mon 11/167:55 pm -
1 stop16h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![United Airlines logo]()
$149
Find flight deals from Washington, D.C. to Costa Rica
Keep the following information in mind while searching for Washington, D.C. to Costa Rica flight deals. Data was last updated October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $267 (Delta) |
One-way from | $122 (Delta) |
Popular in | December |
Cheapest in | May |
Average price | $396 |
Good round-trip deal | $429 or less |
Good one-way deal | $219 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Washington, D.C. 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 October 14, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Costa Rica that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BaltimoreLiberia
BWI Baltimore/Washington - LIR Liberia
BWILIR
Baltimore/Washington
Wed 12/9
6:00 am-12:45 pm
1 stop7h 45m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$122
BaltimoreLiberia
BWI Baltimore/Washington - LIR Liberia
BWILIR
Baltimore/Washington
Sun 1/10
7:45 am-2:30 pm
1 stop7h 45m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$122
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Tue 12/8
7:39 am-2:04 pm
1 stop7h 25m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$129
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Mon 2/15
8:30 pm-12:45 pm
1 stop17h 15m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
Quickest round-trip
Washington, D.C.Liberia
IAD Washington, D.C. Dulles Intl - LIR Liberia
IADLIR
Washington, D.C. Dulles Intl
Fri 1/1
8:51 am-12:50 pm
Nonstop4h 59m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$173
Washington, D.C.Liberia
DCA Washington, D.C. Reagan-National - LIR Liberia
DCALIR
Washington, D.C. Reagan-National
Sat 1/16
10:54 am-6:37 pm
1 stop8h 43m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
Washington, D.C.Liberia
IAD Washington, D.C. Dulles Intl - LIR Liberia
IADLIR
Washington, D.C. Dulles Intl
Sat 11/14
6:00 am-12:45 pm
1 stop7h 45m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
Washington, D.C.Liberia
IAD Washington, D.C. Dulles Intl - LIR Liberia
IADLIR
Washington, D.C. Dulles Intl
Fri 11/13
10:47 pm-12:56 pm
1 stop15h 09m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$177
Washington, D.C.San José
DCA Washington, D.C. Reagan-National - SJO San José Juan Santamaria Intl
DCASJO
Washington, D.C. Reagan-National
Sun 11/1
5:00 am-1:01 pm
1 stop9h 01m
San José Juan Santamaria Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$178
BaltimoreLiberia
BWI Baltimore/Washington - LIR Liberia
BWILIR
Baltimore/Washington
Mon 11/9
6:10 am-2:00 pm
1 stop8h 50m
Liberia
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$178
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Washington, D.C. to Costa Rica
Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Washington, D.C. with our price prediction graph.
DCA-LIR
BWI-LIR
IAD-LIR
BWI-SJO
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. to Costa Rica
WAS-CR0
DCA-LIR
BWI-LIR
IAD-LIR
BWI-SJO
What is the cheapest month to book a flight from Washington, D.C. to Costa Rica?
Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Costa Rica (average of $391). Flying from Washington, D.C. to Costa Rica in December is currently the most expensive (average of $648). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WAS to CR?
Find hourly flight availability from Washington, D.C. to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 14, 2026.
When flying from Washington, D.C. to Costa Rica, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How far ahead should I book a flight from Washington, D.C. to Costa Rica?
The price you pay for your flight from Washington, D.C. to Costa Rica may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 October 14, 2026.
Read reviews from past customers who have flown Copa Airlines,United Airlines, andJetBlue from Washington, D.C. to Costa Rica. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Overall
7.6
Comfort
7.4
Boarding
7.8
Food
6.9
Crew
8.1
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2026
BOS - PTY
Entertainment
6.9
Overall
7.6
Comfort
7.4
Boarding
7.8
Food
6.9
Crew
8.1
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2026
BOS - PTY
Entertainment
6.9
Overall
7.6
Comfort
7.4
Boarding
7.8
Food
6.9
Crew
8.1
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2026
BOS - PTY
Entertainment
6.9
Overall
7.6
Comfort
7.4
Boarding
7.8
Food
6.9
Crew
8.1
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2026
BOS - PTY
Entertainment
6.9
Overall
7.6
Comfort
7.4
Boarding
7.8
Food
6.9
Crew
8.1
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2026
BOS - PTY
Entertainment
6.9
Overall
7.6
Comfort
7.4
Boarding
7.8
Food
6.9
Crew
8.1
Reviews
1 / 20
2.0
MediocreAnonymous,Oct 2026
BOS - PTY
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Washington, D.C. to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.
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 Washington, D.C. to Costa Rica by cabin class
Find flights from Washington, D.C. to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Washington, D.C. and Costa Rica flights
Browse other Washington, D.C. and Costa Rica flight options. Last updated on October 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Washington, D.C. to Costa Rica flights
Consider these flights traveling from Washington, D.C. to Costa Rica.
Top 7 airlines flying from Washington, D.C. to Costa Rica
Discover the top 7 airlines that operate flights from Washington, D.C. 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 October 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$180 | Average$572 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$224 | Average$507 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$229 | Average$450 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$235 | Average$533 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$240 | Average$554 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$245 | Average$415 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$299 | Average$682 | FlexibilityNo cancel fee | On-time63% |