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$205+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SEA
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap 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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$451
(Alaska Airlines)

One-way from

$205
(flugladen.de)

Popular in

December

Cheapest in

February

Average price

$606
Provider with most accurate pricing for San José Juan Santamaria Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Seattle/Tacoma Intl flights.
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From Costa Rica to Seattle/Tacoma Intl
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One-way flight from Costa Rica to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 4% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Costa Rica to Seattle

Cheapest flights from Costa Rica to Seattle
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 April 24, 2025.

This United Airlines deal was found by Cheapflights users on 4/22. 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 8/155:30 amSJO - SEA
1 stop14h 44mUnited Airlines
Sat 8/235:35 pmSEA - SJO
2 stops17h 51mUnited Airlines
Deal found 4/22$450
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 5/131:12 amSJO - SEA
2 stops17h 38mAlaska Airlines
Wed 5/149:30 pmSEA - SJO
2 stops25h 16mAlaska Airlines
Deal found 4/23$451
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Tue 5/61:50 pmSJO - SEA
1 stop20h 33mAmerican Airlines
Tue 5/1311:36 amSEA - SJO
1 stop9h 41mAmerican Airlines
Deal found 4/22$453
This Travelocity deal was found by Cheapflights users on 4/23. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/212:23 pmSJO - SEA
2 stops24h 12mMultiple Airlines
Tue 5/1310:10 amSEA - SJO
1 stop12h 42mMultiple Airlines
Deal found 4/23$459
This eDestinos deal was found by Cheapflights users on 4/23. 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.
Mon 5/512:55 amSJO - SEA
2 stops25h 01mSpirit Airlines
Sat 5/103:20 pmSEA - SJO
2 stops18h 07mSpirit Airlines
Deal found 4/23$464
This flygcity.se deal was found by Cheapflights users on 4/23. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:03 amSJO - SEA
1 stop18h 04mBritish Airways
Wed 5/2810:59 pmSEA - SJO
2 stops18h 36mBritish Airways
Deal found 4/23$473
This United Airlines deal was found by Cheapflights users on 4/22. 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 6/73:25 pmLIR - SEA
2 stops18h 24mUnited Airlines
Sat 6/146:25 amSEA - LIR
2 stops32h 00mUnited Airlines
Deal found 4/22$509
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/307:25 amSJO - SEA
1 stop14h 20mDelta
Tue 5/139:30 pmSEA - SJO
1 stop13h 29mDelta
Deal found 4/22$543
This American Airlines deal was found by Cheapflights users on 4/23. 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 7/103:45 pmLIR - SEA
1 stop9h 58mAmerican Airlines
Wed 7/1611:55 pmSEA - LIR
1 stop10h 40mAmerican Airlines
Deal found 4/23$563
This Southwest deal was found by Cheapflights users on 4/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/118:45 amSJO - SEA
2 stops17h 05mSouthwest
Thu 7/175:00 amSEA - SJO
2 stops13h 40mSouthwest
Deal found 4/22$600
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/712:35 pmLIR - SEA
2 stops25h 23mMultiple Airlines
Sat 6/142:55 pmSEA - LIR
3 stops20h 29mMultiple Airlines
Deal found 4/22$695

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 April 24, 2025.
Use the filters below to find and compare flights from Costa Rica to Seattle that are best for you.

Fly from

Costa Rica

Fly to

Seattle

Route

Depart

Return

Price

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Tue 5/13

1:12 am-5:50 pm

2 stops17h 38m

Seattle/Tacoma Intl

Wed 5/14

9:30 pm-11:46 pm

2 stops25h 16m

$451

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Tue 5/6

1:50 pm-9:23 am

1 stop20h 33m

Seattle/Tacoma Intl

Tue 5/13

11:36 am-10:17 pm

1 stop9h 41m

$453

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Sat 5/17

6:00 am-9:31 pm

2 stops16h 31m

Seattle/Tacoma Intl

Sun 5/25

9:45 am-7:15 am

1 stop20h 30m

$454

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Fri 5/2

12:23 pm-11:35 am

2 stops24h 12m

Seattle/Tacoma Intl

Tue 5/13

10:10 am-11:52 pm

1 stop12h 42m

$459

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Mon 5/5

12:55 am-12:56 am

2 stops25h 01m

Seattle/Tacoma Intl

Sat 5/10

3:20 pm-10:27 am

2 stops18h 07m

$464

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Thu 5/15

6:03 am-11:07 pm

1 stop18h 04m

Seattle/Tacoma Intl

Wed 5/28

10:59 pm-6:35 pm

2 stops18h 36m

$473

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

Sat 6/7

7:00 am-9:11 pm

1 stop15h 11m

Seattle/Tacoma Intl

Sat 6/14

7:59 pm-3:25 pm

1 stop18h 26m

$509

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Wed 4/30

7:25 am-8:45 pm

1 stop14h 20m

Seattle/Tacoma Intl

Tue 5/13

9:30 pm-11:59 am

1 stop13h 29m

$543

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

Thu 7/10

3:45 pm-12:43 am

1 stop9h 58m

Seattle/Tacoma Intl

Wed 7/16

11:55 pm-11:35 am

1 stop10h 40m

$563

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Tue 5/6

6:07 pm-9:57 pm

2 stops28h 50m

Seattle/Tacoma Intl

Tue 5/13

5:13 pm-8:20 am

2 stops14h 07m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 20 results
1
2

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.
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

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

Currently, January is the cheapest month in which you can book a flight from Costa Rica to Seattle (average of $238). Flying from Costa Rica to Seattle in July is currently the most expensive (average of $411). 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 CR to SEA?

Find hourly flight availability from Costa Rica to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from Costa Rica to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 April 24, 2025.
To help decide which airline to fly from Costa Rica to Seattle, see what other customers have to say about Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Copa Airlines
7.6
Good
1,411 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What airport do you fly into for flights to Seattle from Costa Rica?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Costa Rica to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

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

    $205 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on American Airlines and Spirit Airlines, with prices starting from $227 and $236, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Costa Rica to Seattle 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 Costa Rica to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Costa Rica to Seattle (average of $238). Flying from Costa Rica to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Costa Rica?

Book flights to Costa Rica if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Aberdeen
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

Browse thousands of different 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.
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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 2,558,603 searches. Data last updated April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$410Average$590FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$427Average$596FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$447Average$642FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$466Average$639FlexibilityNo cancel feeOn-time71%

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