Costa Rica

$153+ Cheap flights from Seattle (SEA) to Costa Rica

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJO
Jan 26 — Feb 21
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Cheap flight deals from Seattle to Costa Rica

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Costa Rica (CR0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$524
(American Airlines)

One-way from

$153
(Mytrip)
From Seattle/Tacoma Intl to Costa Rica
One-way flight from Seattle/Tacoma Intl to Costa Rica

Find flight deals from Seattle to Costa Rica

Cheapest flights from Seattle to Costa Rica
Explore the most affordable flight options available from Seattle to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1710:01 pmSEA - SJO
1 stop12h 04mAmerican Airlines
Mon 3/2411:59 pmSJO - SEA
1 stop10h 34mAmerican Airlines
Deal found 1/20$524
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/269:48 amSEA - SJO
3 stops24h 33mSpirit Airlines
Fri 4/411:24 amSJO - SEA
3 stops32h 38mSpirit Airlines
Deal found 1/20$526
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/223:58 pmSEA - SJO
2 stops19h 37mMultiple Airlines
Sat 3/18:30 pmSJO - SEA
3 stops23h 29mMultiple Airlines
Deal found 1/20$527
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 2/2312:00 pmSEA - SJO
1 stop9h 59mAlaska Airlines
Wed 3/51:26 amSJO - SEA
1 stop19h 28mAlaska Airlines
Deal found 1/20$538
This Trip.com deal was found by Cheapflights users on 1/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/64:59 pmSEA - LIR
1 stop11h 41mAlaska Airlines
Thu 3/138:00 amLIR - SEA
1 stop11h 54mAlaska Airlines
Deal found 1/20$542
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/246:00 amSEA - SJO
1 stop14h 15mDelta
Tue 12/27:00 amSJO - SEA
1 stop11h 25mDelta
Deal found 1/20$543
This Southwest deal was found by Cheapflights users on 1/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:15 amSEA - SJO
2 stops12h 40mSouthwest
Mon 8/258:50 amSJO - SEA
2 stops15h 40mSouthwest
Deal found 1/21$544
This Air Canada deal was found by Cheapflights users on 1/20. 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 4/156:05 amSEA - LIR
1 stop30h 05mAir Canada
Wed 4/232:30 pmLIR - SEA
2 stops24h 53mAir Canada
Deal found 1/20$566
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 2/2612:43 amSEA - LIR
1 stop11h 32mAmerican Airlines
Tue 3/43:05 pmLIR - SEA
1 stop10h 18mAmerican Airlines
Deal found 1/20$574
This United deal was found by Cheapflights users on 1/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:50 pmSEA - SJO
2 stops23h 27mUnited Airlines
Sun 11/169:30 amSJO - SEA
1 stop10h 57mUnited Airlines
Deal found 1/20$588
This Avianca deal was found by Cheapflights users on 1/21. 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.
Fri 3/76:15 amSEA - SJO
2 stops14h 40mAvianca
Fri 3/145:05 amSJO - SEA
2 stops17h 52mAvianca
Deal found 1/21$595
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 3/1511:59 pmSEA - LIR
1 stop10h 56mUnited Airlines
Thu 3/207:50 amLIR - SEA
1 stop15h 59mUnited Airlines
Deal found 1/20$607

Find flights from Seattle to Costa Rica within your budget

Customize your flight search to find flights from Seattle to Costa Rica that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 3/17

10:01 pm-11:05 am

1 stop12h 04m

San José Juan Santamaria Intl

Mon 3/24

11:59 pm-9:33 am

1 stop10h 34m

$524

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Wed 3/26

9:48 am-11:21 am

3 stops24h 33m

San José Juan Santamaria Intl

Fri 4/4

11:24 am-7:02 pm

3 stops32h 38m

$526

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sat 2/22

3:58 pm-1:35 pm

2 stops19h 37m

San José Juan Santamaria Intl

Sat 3/1

8:30 pm-5:59 pm

3 stops23h 29m

$527

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sun 2/23

12:00 pm-11:59 pm

1 stop9h 59m

San José Juan Santamaria Intl

Wed 3/5

1:26 am-6:54 pm

1 stop19h 28m

$538

SeattleLiberia

SEA - LIR

SEALIR

Seattle/Tacoma Intl

Thu 3/6

4:59 pm-6:40 am

1 stop11h 41m

Liberia

Thu 3/13

8:00 am-6:54 pm

1 stop11h 54m

$542

SeattleLiberia

SEA - LIR

SEALIR

Seattle/Tacoma Intl

Wed 2/26

12:43 am-2:15 pm

1 stop11h 32m

Liberia

Tue 3/4

3:45 pm-11:04 am

2 stops21h 19m

$565

SeattleLiberia

SEA - LIR

SEALIR

Seattle/Tacoma Intl

Tue 4/8

5:45 am-1:10 pm

2 stops30h 25m

Liberia

Thu 4/17

2:30 pm-9:26 pm

1 stop31h 56m

$566

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 3/11

5:51 pm-5:47 am

1 stop10h 56m

San José Juan Santamaria Intl

Thu 3/20

7:25 am-8:46 pm

1 stop14h 21m

$573

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 5/5

8:45 pm-7:40 pm

2 stops21h 55m

San José Juan Santamaria Intl

Wed 5/14

8:45 am-11:25 pm

2 stops15h 40m

$574

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 3/7

6:15 am-10:55 pm

2 stops14h 40m

San José Juan Santamaria Intl

Mon 3/17

5:05 am-9:57 pm

2 stops17h 52m

$578

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 33 results
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Best time to book a flight from Seattle to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Seattle with our price prediction graph.
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.

Travel insights for flights from Seattle to Costa Rica

Get recent, data-driven insights about flights from Seattle to Costa Rica including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Seattle to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Seattle to Costa Rica (average of $398). Flying from Seattle to Costa Rica in March is currently the most expensive (average of $555). 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 SEA to CR?

Find hourly flight availability from Seattle 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 January 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Costa Rica as you normally would.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

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 January 21, 2025.
See what other customers who have flown with American Airlines, Spirit Airlines and Alaska Airlines from Seattle to Costa Rica have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
4,659 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.1
Very good
4,659 reviews
8.1
Very good
4,659 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.0
Very good
8,521 reviews
8.1
Very good
4,659 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

8.0
Very good
9,706 reviews
8.1
Very good
4,659 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

7.7
Good
1,661 reviews
8.1
Very good
4,659 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

7.4
Good
8,982 reviews
8.1
Very good
4,659 reviews

Food

7.2

Boarding

8.2

Overall

8.1

Crew

8.7

Entertainment

7.7

Comfort

8.1

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Seattle to Costa Rica?

    For a flight from Seattle to Costa Rica, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city.

  • What are the cheapest airlines to fly from Seattle to Costa Rica one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $176. Users have also found prices from $235 and $270 on American Airlines and Alaska Airlines, respectively.

  • Can I find deals for flights from Seattle to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Seattle to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Costa Rica.

  • Can I find deals for business class flights from Seattle to Costa Rica?

    Yes. Cheapflights offers flight deals from Seattle to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Costa Rica (average of $398). Flying from Seattle to Costa Rica in March is currently the most expensive (average of $555). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Seattle to Costa Rica

Discover the top 8 airlines that operate flights from Seattle to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$254Average$360FlexibilityNo cancel feeOn-time65%
DeltaCheapest$394Average$617FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$414Average$666FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$434Average$663FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$488Average$758FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$520Average$620FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$538Average$805FlexibilityNo cancel feeOn-time70%
AeromexicoCheapest$725Average$877FlexibilityNo cancel feeOn-timeN/A
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