$267+ Cheap flights from Costa Rica to Seattle (SEA)
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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SEA
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Costa Rica to Seattle 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 Costa Rica to Seattle
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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 September 24, 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 September 24, 2026.
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 pm -
1 stop11h 09m
Sun 10/255:41 pm -
1 stop19h 19m
Deal found 9/21![American Airlines logo]()
$546
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop15h 59m
Sun 11/87:10 am -
1 stop23h 25m
Deal found 9/19![Multiple Airlines logo]()
$550
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.
Tue 11/33:54 pm -
2 stops21h 18m
Mon 11/99:45 pm -
1 stop13h 22m
Deal found 9/19![American Airlines logo]()
$551
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/248:45 am -
1 stop10h 59m
Mon 10/267:35 pm -
2 stops15h 47m
Deal found 9/22![United Airlines logo]()
$556
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Fri 10/236:00 am -
1 stop18h 59m
Wed 10/283:45 pm -
1 stop21h 15m
Deal found 9/22![American Airlines logo]()
$558
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:40 am -
1 stop15h 51m
Tue 11/33:35 pm -
1 stop14h 57m
Deal found 9/23![United Airlines logo]()
$565
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 10/106:00 am -
1 stop18h 59m
Sat 10/243:45 pm -
1 stop21h 15m
Deal found 9/23![American Airlines logo]()
$566
This deal was found by Cheapflights users on 9/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:40 am -
1 stop13h 07m
Sun 11/158:35 pm -
1 stop9h 57m
Deal found 9/23![United Airlines logo]()
$571
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/248:35 am -
1 stop15h 22m
Wed 12/308:40 am -
1 stop20h 55m
Deal found 9/19![Air Canada logo]()
$629
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/233:10 pm -
1 stop31h 49m
Wed 12/308:40 am -
1 stop20h 55m
Deal found 9/19![Air Canada logo]()
$637
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.
Tue 11/103:20 pm -
2 stops29h 02m
Sun 11/223:15 pm -
2 stops20h 55m
Deal found 9/20![Air Canada logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:20 pm -
1 stop10h 40m
Wed 10/281:16 pm -
2 stops24h 54m
Deal found 9/23![United Airlines logo]()
$662
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 September 24, 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 September 24, 2026.
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:45 am -
1 stop26h 17m
Sun 10/189:05 am -
1 stop21h 10m
Deal found 9/23![United Airlines logo]()
$556
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.
Tue 11/103:20 pm -
2 stops29h 02m
Sun 11/223:15 pm -
2 stops20h 55m
Deal found 9/20![Air Canada logo]()
$654
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:10 pm -
3 stops29h 12m
Fri 11/138:40 am -
2 stops27h 30m
Deal found 9/19![Multiple Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/248:45 am -
1 stop10h 59m
Wed 10/287:05 am -
1 stop26h 20m
Deal found 9/22![United Airlines logo]()
$556
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:25 pm -
3 stops35h 01m
Sun 11/111:59 pm -
1 stop9h 26m
Deal found 9/19![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/197:55 am -
2 stops32h 38m
Fri 11/64:39 pm -
2 stops16h 46m
Deal found 9/24![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/248:45 am -
1 stop13h 18m
Sat 10/313:35 pm -
2 stops12h 50m
Deal found 9/22![United Airlines logo]()
$556
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:40 am -
1 stop11h 32m
Sat 11/73:35 pm -
2 stops12h 50m
Deal found 9/19![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/86:40 am -
1 stop14h 57m
Sun 11/158:35 pm -
1 stop9h 57m
Deal found 9/24![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 11/38:45 am -
1 stop12h 32m
Wed 11/117:35 pm -
2 stops13h 50m
Deal found 9/22![United Airlines logo]()
$556
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:40 am -
1 stop10h 53m
Mon 11/910:40 am -
1 stop19h 52m
Deal found 9/23![United Airlines logo]()
$565
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:20 pm -
2 stops21h 42m
Tue 10/275:05 am -
1 stop9h 05m
Deal found 9/23![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:20 pm -
1 stop10h 40m
Tue 10/274:39 pm -
2 stops21h 31m
Deal found 9/23![United Airlines logo]()
$662
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:20 pm -
2 stops21h 29m
Tue 12/297:10 pm -
2 stops16h 00m
Deal found 9/19![United Airlines logo]()
$662
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/234:30 pm -
1 stop22h 35m
Tue 12/2911:58 pm -
1 stop16h 39m
Deal found 9/19![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/221:20 pm -
1 stop10h 40m
Wed 10/281:59 pm -
1 stop21h 11m
Deal found 9/23![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:20 pm -
1 stop10h 31m
Mon 11/94:39 pm -
2 stops18h 31m
Deal found 9/23![United Airlines logo]()
$676
Last-minute flights from Costa Rica to SeattleDiscover last-minute flight deals from Costa Rica to Seattle. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Costa Rica to Seattle. Data last updated September 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:00 pm -
1 stop11h 09m
Sun 10/255:41 pm -
1 stop19h 19m
Deal found 9/21![American Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 10/106:00 am -
1 stop18h 59m
Sat 10/243:45 pm -
1 stop21h 15m
Deal found 9/23![American Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:20 pm -
1 stop10h 40m
Tue 10/2711:59 pm -
1 stop11h 11m
Deal found 9/23![United Airlines logo]()
$745
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:20 pm -
1 stop10h 40m
Thu 10/2911:59 pm -
1 stop11h 11m
Deal found 9/23![United Airlines logo]()
$785
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:20 pm -
2 stops21h 42m
Tue 10/275:23 pm -
2 stops17h 47m
Deal found 9/23![United Airlines logo]()
$662
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:20 pm -
1 stop10h 40m
Thu 10/295:05 am -
1 stop9h 05m
Deal found 9/23![United Airlines logo]()
$702
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Thu 10/222:44 pm -
2 stops19h 49m
Tue 10/273:30 pm -
2 stops20h 48m
Deal found 9/23![American Airlines logo]()
$789
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 10/231:00 pm -
1 stop12h 10m
Wed 10/285:39 pm -
2 stops17h 21m
Deal found 9/19![American Airlines logo]()
$551
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:45 am -
1 stop13h 18m
Wed 10/2810:40 am -
2 stops24h 42m
Deal found 9/23![United Airlines logo]()
$556
This deal was found by Cheapflights users on 9/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:40 am -
1 stop13h 07m
Sun 11/158:35 pm -
1 stop9h 57m
Deal found 9/23![United Airlines logo]()
$571
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 am -
1 stop15h 59m
Sun 11/87:10 am -
1 stop23h 25m
Deal found 9/19![Multiple Airlines logo]()
$550
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:40 am -
1 stop13h 07m
Tue 11/33:35 pm -
1 stop14h 57m
Deal found 9/23![United Airlines logo]()
$565
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 September 24, 2026.
Search for one-way flight options from Costa Rica to Seattle. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Sat 11/77:50 am -
3 stops32h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$267
This Priceline deal was found by Cheapflights users on 9/23. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:46 am -
1 stop13h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Alaska Airlines logo]()
$303
This eDestinos deal was found by Cheapflights users on 9/21. 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.
Fri 10/24:35 pm -
1 stop24h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$305
This Trip.com deal was found by Cheapflights users on 9/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/218:35 am -
1 stop32h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Air Canada logo]()
$305
This Avianca deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 10/74:35 pm -
2 stops19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$313
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:35 pm -
2 stops19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$319
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/211:15 am -
3 stops21h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![United Airlines logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” 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 11/71:46 am -
2 stops33h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Alaska Airlines logo]()
$327
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.
Tue 10/61:00 pm -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Fri 10/21:25 pm -
2 stops23h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Sun 11/83:10 pm -
3 stops41h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$331
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 12/112:01 pm -
1 stop11h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$332
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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $546 (American Airlines) |
One-way from | $267 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $631 |
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 7,457,451 searches. Data last updated September 24, 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 San José Juan Santamaria Intl - SEA Seattle/Tacoma Intl
SJOSEA
San José Juan Santamaria Intl
Wed 11/25
1:26 am-2:48 pm
2 stops15h 22m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$307
San JoséSeattle
SJO San José Juan Santamaria Intl - SEA Seattle/Tacoma Intl
SJOSEA
San José Juan Santamaria Intl
Mon 11/2
12:35 pm-2:39 pm
2 stops28h 04m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$325
San JoséSeattle
SJO San José Juan Santamaria Intl - SEA Seattle/Tacoma Intl
SJOSEA
San José Juan Santamaria Intl
Thu 1/21
8:45 am-12:45 pm
1 stop30h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$325
San JoséSeattle
SJO San José Juan Santamaria Intl - SEA Seattle/Tacoma Intl
SJOSEA
San José Juan Santamaria Intl
Thu 10/8
8:45 am-1:15 am
1 stop17h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$325
San JoséSeattle
SJO San José Juan Santamaria Intl - SEA Seattle/Tacoma Intl
SJOSEA
San José Juan Santamaria Intl
Thu 1/21
1:15 am-11:31 pm
3 stops24h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$325
San JoséSeattle
SJO San José Juan Santamaria Intl - SEA Seattle/Tacoma Intl
SJOSEA
San José Juan Santamaria Intl
Sat 10/3
8:45 am-4:34 pm
1 stop32h 49m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$325
San JoséSeattle
SJO San José Juan Santamaria Intl - SEA Seattle/Tacoma Intl
SJOSEA
San José Juan Santamaria Intl
Mon 10/19
8:45 am-6:44 pm
1 stop10h 59m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$329
Quickest round-trip
San JoséSeattle
SJO San José Juan Santamaria Intl - SEA Seattle/Tacoma Intl
SJOSEA
San José Juan Santamaria Intl
Sat 10/31
1:25 pm-10:51 pm
1 stop10h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$329
LiberiaSeattle
LIR Liberia - SEA Seattle/Tacoma Intl
LIRSEA
Liberia
Sat 11/7
3:10 pm-8:59 pm
1 stop31h 49m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$343
LiberiaSeattle
LIR Liberia - SEA Seattle/Tacoma Intl
LIRSEA
Liberia
Wed 12/2
3:10 pm-1:40 pm
2 stops24h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$357
Showing 1-10 of 34 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, February is the cheapest month in which you can book a flight from Costa Rica to Seattle (average of $549). Flying from Costa Rica to Seattle in August is currently the most expensive (average of $700). 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 Costa Rica to Seattle?
To ensure you get the cheapest price possible for a flight from Costa Rica to Seattle, you should look to book at least 33 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 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 September 24, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andUnited 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
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Comfort
8.0
Crew
8.6
Boarding
8.1
Overall
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from 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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
Poulsbo
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.
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Alternative routes for Costa Rica to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Costa Rica to Seattle by cabin class
Find flights from Costa Rica to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Costa Rica and Seattle flights
Browse other Costa Rica and Seattle flight options. Last updated on September 24, 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 September 24, 2026.
Top 4 airlines flying from Costa Rica to Seattle
Discover the top 4 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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$407 | Average$628 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$464 | Average$663 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$503 | Average$667 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$511 | Average$688 | FlexibilityNo cancel fee | On-time63% |