$232+ Cheap flights from Costa Rica to Seattle (SEA)
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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SEA
Apr 22 — Apr 291
Round-trip
1 adult, Economy
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Cheapest flights from Costa Rica to SeattleExplore the most affordable flight options available from Costa Rica to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
Explore the most affordable flight options available from Costa Rica to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 23, 2026.
This eDestinos deal was found by Cheapflights users on 3/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:45 am
SJO
- SEA
1 stop16h 22m
Multiple Airlines
Wed 5/279:15 pm
SEA
- SJO
1 stop25h 00m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$387
This Avianca deal was found by Cheapflights users on 3/18. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:45 am
SJO
- SEA
2 stops13h 12m
Multiple Airlines
Thu 9/108:00 am
SEA
- SJO
2 stops14h 15m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$390
This Avianca deal was found by Cheapflights users on 3/20. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:45 am
SJO
- SEA
2 stops13h 12m
Multiple Airlines
Sun 10/257:55 pm
SEA
- SJO
2 stops11h 45m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$391
This Avianca deal was found by Cheapflights users on 3/18. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:45 am
SJO
- SEA
2 stops15h 20m
Multiple Airlines
Sat 9/57:00 am
SEA
- SJO
2 stops15h 15m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$395
This Avianca deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:45 am
SJO
- SEA
2 stops13h 12m
Multiple Airlines
Tue 11/36:00 am
SEA
- SJO
2 stops15h 15m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$399
This eDestinos deal was found by Cheapflights users on 3/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/145:45 am
SJO
- SEA
1 stop17h 59m
Multiple Airlines
Wed 5/209:15 pm
SEA
- SJO
1 stop25h 00m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$403
This Avianca deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:05 am
SJO
- SEA
2 stops13h 33m
Multiple Airlines
Mon 4/277:06 pm
SEA
- SJO
2 stops12h 39m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$411
This eDestinos deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:45 am
SJO
- SEA
1 stop16h 22m
Multiple Airlines
Mon 6/89:15 pm
SEA
- SJO
1 stop25h 00m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$417
This Avianca deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:45 am
SJO
- SEA
2 stops13h 12m
Multiple Airlines
Thu 9/109:50 am
SEA
- SJO
2 stops12h 25m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$423
This Avianca deal was found by Cheapflights users on 3/20. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:45 am
SJO
- SEA
2 stops15h 20m
Multiple Airlines
Tue 9/87:00 am
SEA
- SJO
2 stops15h 15m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$432
This Southwest deal was found by Cheapflights users on 3/20. 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.
Mon 5/42:10 pm
LIR
- SEA
2 stops11h 45m
Southwest
Mon 5/1111:55 pm
SEA
- LIR
2 stops12h 20m
Southwest
Deal found 3/20![Southwest logo]()
$583
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:40 am
LIR
- SEA
2 stops26h 11m
Alaska Airlines
Sat 5/237:05 am
SEA
- LIR
2 stops22h 15m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$637
Best flights from Costa Rica to SeattleDiscover carefully curated flight deals from Costa Rica to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
Discover carefully curated flight deals from Costa Rica to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 23, 2026.
This Southwest deal was found by Cheapflights users on 3/20. 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.
Wed 5/279:00 am
SJO
- SEA
2 stops16h 10m
Southwest
Tue 6/211:45 pm
SEA
- SJO
2 stops18h 15m
Southwest
Deal found 3/20![Southwest logo]()
$553
This Alaska Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:03 am
SJO
- SEA
1 stop17h 35m
Alaska Airlines
Mon 4/2710:50 pm
SEA
- SJO
2 stops23h 55m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$582
This American Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/86:30 am
SJO
- SEA
2 stops15h 52m
American Airlines
Mon 4/1311:55 pm
SEA
- SJO
1 stop12h 27m
American Airlines
Deal found 3/23![American Airlines logo]()
$693
This United Airlines deal was found by Cheapflights users on 3/18. 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.
Mon 5/181:20 pm
LIR
- SEA
2 stops26h 16m
United Airlines
Sat 5/235:04 pm
SEA
- LIR
1 stop20h 52m
United Airlines
Deal found 3/18![United Airlines logo]()
$713
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:55 am
SJO
- SEA
1 stop11h 57m
Alaska Airlines
Mon 5/1810:49 pm
SEA
- SJO
2 stops23h 44m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$582
This Southwest deal was found by Cheapflights users on 3/20. 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.
Mon 5/42:10 pm
LIR
- SEA
2 stops11h 45m
Southwest
Mon 5/1111:55 pm
SEA
- LIR
2 stops12h 20m
Southwest
Deal found 3/20![Southwest logo]()
$583
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:53 am
SJO
- SEA
1 stop15h 35m
Alaska Airlines
Sun 6/78:30 pm
SEA
- SJO
2 stops26h 03m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/411:49 am
LIR
- SEA
1 stop12h 10m
United Airlines
Mon 5/118:51 am
SEA
- LIR
2 stops26h 19m
United Airlines
Deal found 3/20![United Airlines logo]()
$713
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/712:53 am
SJO
- SEA
1 stop12h 08m
Alaska Airlines
Mon 6/88:05 pm
SEA
- SJO
2 stops26h 28m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$624
This Southwest deal was found by Cheapflights users on 3/18. 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 7/242:10 pm
LIR
- SEA
2 stops21h 10m
Southwest
Sat 8/17:35 pm
SEA
- LIR
2 stops16h 30m
Southwest
Deal found 3/18![Southwest logo]()
$715
This United Airlines deal was found by Cheapflights users on 3/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/11:20 pm
LIR
- SEA
1 stop10h 32m
United Airlines
Mon 5/411:59 pm
SEA
- LIR
1 stop11h 11m
United Airlines
Deal found 3/19![United Airlines logo]()
$722
This Alaska Airlines deal was found by Cheapflights users on 3/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:55 am
SJO
- SEA
2 stops19h 05m
Alaska Airlines
Sun 5/1710:49 pm
SEA
- SJO
2 stops23h 44m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$637
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/2311:49 am
LIR
- SEA
1 stop10h 17m
United Airlines
Mon 4/2711:35 pm
SEA
- LIR
1 stop11h 35m
United Airlines
Deal found 3/22![United Airlines logo]()
$722
This Alaska Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:03 am
SJO
- SEA
1 stop22h 58m
Alaska Airlines
Mon 7/2711:26 pm
SEA
- SJO
2 stops23h 17m
Alaska Airlines
Deal found 3/21![Alaska Airlines logo]()
$675
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:00 am
LIR
- SEA
2 stops23h 09m
Alaska Airlines
Sun 9/2711:15 pm
SEA
- LIR
2 stops17h 30m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$692
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:00 am
LIR
- SEA
2 stops24h 28m
Alaska Airlines
Sun 9/279:07 pm
SEA
- LIR
1 stop19h 38m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$700
This Alaska Airlines deal was found by Cheapflights users on 3/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:03 am
SJO
- SEA
2 stops33h 11m
Alaska Airlines
Thu 9/35:45 pm
SEA
- SJO
2 stops24h 45m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$705
Last-minute flights from Costa Rica to SeattleDiscover last-minute flight deals from Costa Rica to Seattle. Data last updated March 23, 2026 and is based on user searches.
Discover last-minute flight deals from Costa Rica to Seattle. Data last updated March 23, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:40 am
LIR
- SEA
2 stops26h 11m
Alaska Airlines
Sat 5/237:05 am
SEA
- LIR
2 stops22h 15m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$637
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:40 am
LIR
- SEA
2 stops26h 11m
Alaska Airlines
Fri 5/228:30 pm
SEA
- LIR
2 stops32h 50m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$643
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:40 am
LIR
- SEA
2 stops26h 11m
Alaska Airlines
Mon 5/258:30 pm
SEA
- LIR
2 stops32h 50m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$664
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:40 am
LIR
- SEA
2 stops24h 03m
Alaska Airlines
Sat 5/237:05 am
SEA
- LIR
2 stops22h 15m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:40 am
LIR
- SEA
2 stops24h 03m
Alaska Airlines
Fri 5/228:30 pm
SEA
- LIR
2 stops32h 50m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$679
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:40 am
LIR
- SEA
2 stops27h 11m
Multiple Airlines
Sun 5/2411:21 am
SEA
- LIR
1 stop17h 59m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$704
This eDestinos deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:45 am
SJO
- SEA
1 stop14h 06m
Multiple Airlines
Tue 4/286:25 am
SEA
- SJO
1 stop15h 50m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$440
This Avianca deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:05 am
SJO
- SEA
2 stops13h 33m
Multiple Airlines
Mon 4/277:06 pm
SEA
- SJO
2 stops12h 39m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$411
This Travelocity deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:05 am
SJO
- SEA
2 stops13h 33m
Multiple Airlines
Thu 5/79:00 am
SEA
- SJO
2 stops13h 15m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$463
This eDestinos deal was found by Cheapflights users on 3/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:45 am
SJO
- SEA
1 stop18h 07m
Multiple Airlines
Tue 5/56:25 am
SEA
- SJO
1 stop15h 50m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$455
This eDestinos deal was found by Cheapflights users on 3/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:35 pm
SJO
- SEA
1 stop30h 28m
Multiple Airlines
Fri 5/89:06 pm
SEA
- SJO
1 stop25h 09m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$443
This Avianca deal was found by Cheapflights users on 3/19. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:05 am
SJO
- SEA
2 stops13h 33m
Multiple Airlines
Tue 8/258:00 am
SEA
- SJO
2 stops14h 15m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$451
One-way flights from Costa Rica to SeattleSearch for one-way flight options from Costa Rica to Seattle. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
Search for one-way flight options from Costa Rica to Seattle. Find affordable one-way fares based on user searches. Data last updated March 23, 2026.
This eDestinos deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:45 am
SJO
- SEA
1 stop32h 11m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$232
This Avianca deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:45 am
SJO
- SEA
2 stops15h 08m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$238
This Avianca deal was found by Cheapflights users on 3/18. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:05 am
SJO
- SEA
2 stops13h 33m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:38 pm
SJO
- SEA
3 stops46h 11m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2012:38 pm
SJO
- SEA
3 stops45h 49m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:45 am
SJO
- SEA
2 stops50h 42m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:38 pm
SJO
- SEA
3 stops22h 11m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:05 am
SJO
- SEA
3 stops53h 22m
Multiple Airlines
Deal found 3/21![Multiple Airlines logo]()
$271
This American Airlines deal was found by Cheapflights users on 3/20. 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.
Tue 4/142:10 pm
LIR
- SEA
1 stop24h 05m
American Airlines
Deal found 3/20![American Airlines logo]()
$373
This American Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 5/232:21 pm
LIR
- SEA
1 stop20h 06m
American Airlines
Deal found 3/22![American Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 5/233:27 pm
LIR
- SEA
1 stop20h 20m
United Airlines
Deal found 3/22![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Sun 7/128:30 am
LIR
- SEA
1 stop17h 59m
United Airlines
Deal found 3/20![United Airlines logo]()
$385
Find flight deals from Costa Rica to Seattle
Keep the following information in mind while searching for Costa Rica to Seattle flight deals. Data was last updated March 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $387 (eDestinos) |
One-way from | $175 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $529 |
Cheapflights Fare Finder
Customize your flight search to find flights from Costa Rica to Seattle 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 March 23, 2026.
Use the filters below to find and compare flights from Costa Rica to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Wed 5/27
9:00 am-12:10 am
2 stops16h 10m
Seattle/Tacoma Intl
Tue 6/2
11:45 pm-7:00 pm
2 stops18h 15m
$553
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Tue 4/21
1:03 am-5:38 pm
1 stop17h 35m
Seattle/Tacoma Intl
Mon 4/27
10:50 pm-11:45 pm
2 stops23h 55m
$582
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Tue 5/5
12:55 am-11:52 am
1 stop11h 57m
Seattle/Tacoma Intl
Mon 5/18
10:49 pm-11:33 pm
2 stops23h 44m
$582
LiberiaSeattle
LIR - SEA
LIRSEA
Liberia
Mon 5/4
2:10 pm-12:55 am
2 stops11h 45m
Seattle/Tacoma Intl
Mon 5/11
11:55 pm-1:15 pm
2 stops12h 20m
$583
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Mon 6/1
12:53 am-3:28 pm
1 stop15h 35m
Seattle/Tacoma Intl
Sun 6/7
8:30 pm-11:33 pm
2 stops26h 03m
$605
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Sun 6/7
12:53 am-12:01 pm
1 stop12h 08m
Seattle/Tacoma Intl
Mon 6/8
8:05 pm-11:33 pm
2 stops26h 28m
$624
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Sat 5/2
12:55 am-7:00 pm
2 stops19h 05m
Seattle/Tacoma Intl
Sun 5/17
10:49 pm-11:33 pm
2 stops23h 44m
$637
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Tue 6/16
1:03 am-11:01 pm
1 stop22h 58m
Seattle/Tacoma Intl
Mon 7/27
11:26 pm-11:43 pm
2 stops23h 17m
$675
LiberiaSeattle
LIR - SEA
LIRSEA
Liberia
Thu 9/17
10:00 am-8:09 am
2 stops23h 09m
Seattle/Tacoma Intl
Sun 9/27
11:15 pm-5:45 pm
2 stops17h 30m
$692
San JoséSeattle
SJO - SEA
SJOSEA
San José Juan Santamaria Intl
Wed 4/8
6:30 am-9:22 pm
2 stops15h 52m
Seattle/Tacoma Intl
Mon 4/13
11:55 pm-1:22 pm
1 stop12h 27m
$693
Showing 1-10 of 38 resultsSorted by cheapest first
Best time to book a flight from Costa Rica to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Costa Rica with our price prediction graph.
SJO-SEA
LIR-SEA
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 Costa Rica to Seattle
CR0-SEA
SJO-SEA
LIR-SEA
What is the cheapest month to book a flight from Costa Rica to Seattle?
Currently, October is the cheapest month in which you can book a flight from Costa Rica to Seattle (average of $358). Flying from Costa Rica to Seattle in July is currently the most expensive (average of $477). 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.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 23, 2026.
Read reviews from past customers who have flown Alaska Airlines,United Airlines, andAmerican Airlines from Costa Rica to Seattle. 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.
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from Costa Rica to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
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Alternative routes for Costa Rica to Seattle
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Costa Rica and Seattle flights
Browse other Costa Rica and Seattle flight options. Last updated on March 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 23, 2026.
Top 3 airlines flying from Costa Rica to Seattle
Discover the top 3 airlines that operate flights from Costa Rica to Seattle. 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 March 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$376 | Average$596 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$416 | Average$508 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$447 | Average$602 | FlexibilityNo cancel fee | On-time75% |