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$221+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$458
(Avianca)

One-way from

$221
(Avianca)

Popular in

December

Cheapest in

February

Average price

$642
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. 7% potential increase in price ($46 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 June 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 junio 12, 2025.

This Avianca deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/45:10 pmSJO - SEA
1 stop19h 37mMultiple Airlines
dom. 8/108:00 pmSEA - SJO
2 stops11h 40mMultiple Airlines
Deal found 6/11$458
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/196:00 amSJO - SEA
2 stops15h 56mUnited Airlines
mar. 8/191:05 pmSEA - SJO
1 stop17h 10mUnited Airlines
Deal found 6/12$459
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/177:21 amSJO - SEA
1 stop10h 19mAmerican Airlines
vie. 9/268:58 pmSEA - SJO
1 stop21h 44mAmerican Airlines
Deal found 6/11$469
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1212:50 amSJO - SEA
2 stops18h 40mAlaska Airlines
dom. 8/177:00 amSEA - SJO
1 stop15h 30mAlaska Airlines
Deal found 6/11$476
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/231:55 pmLIR - SEA
1 stop11h 25mAmerican Airlines
sáb. 12/65:00 pmSEA - LIR
1 stop19h 04mAmerican Airlines
Deal found 6/11$513
This Mytrip deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/2312:16 pmSJO - SEA
2 stops29h 09mSpirit Airlines
lun. 7/285:30 pmSEA - SJO
3 stops39h 59mSpirit Airlines
Deal found 6/9$516
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/239:00 amLIR - SEA
Nonstop7h 59mAlaska Airlines
sáb. 12/68:00 amSEA - LIR
Nonstop6h 58mAlaska Airlines
Deal found 6/11$524
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/239:30 amLIR - SEA
1 stop24h 53mUnited Airlines
sáb. 12/611:55 amSEA - LIR
2 stops28h 02mUnited Airlines
Deal found 6/11$540
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/159:00 amSJO - SEA
1 stop14h 00mSouthwest
sáb. 11/295:00 amSEA - SJO
1 stop13h 10mSouthwest
Deal found 6/9$580
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/102:00 pmLIR - SEA
2 stops17h 08mMultiple Airlines
lun. 7/1412:59 amSEA - LIR
1 stop12h 46mMultiple Airlines
Deal found 6/10$796

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 junio 12, 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

lun. 8/4

5:10 pm-11:47 am

1 stop19h 37m

Seattle/Tacoma Intl

dom. 8/10

8:00 pm-8:40 am

2 stops11h 40m

$458

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

sáb. 7/19

7:55 am-10:37 pm

1 stop15h 42m

Seattle/Tacoma Intl

mar. 8/19

5:15 pm-12:26 pm

1 stop18h 11m

$459

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

sáb. 8/23

2:15 pm-12:26 pm

1 stop23h 11m

Seattle/Tacoma Intl

sáb. 9/27

3:40 pm-5:52 pm

1 stop25h 12m

$472

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mar. 8/12

12:50 am-6:30 pm

2 stops18h 40m

Seattle/Tacoma Intl

dom. 8/17

7:00 am-11:30 pm

1 stop15h 30m

$476

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

dom. 11/23

1:55 pm-11:20 pm

1 stop11h 25m

Seattle/Tacoma Intl

sáb. 12/6

5:00 pm-2:04 pm

1 stop19h 04m

$513

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mié. 7/23

12:16 pm-4:25 pm

2 stops29h 09m

Seattle/Tacoma Intl

lun. 7/28

5:30 pm-10:29 am

3 stops39h 59m

$516

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

dom. 11/23

9:00 am-2:59 pm

Nonstop7h 59m

Seattle/Tacoma Intl

sáb. 12/6

8:00 am-4:58 pm

Nonstop6h 58m

$524

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

dom. 11/23

9:30 am-8:23 am

1 stop24h 53m

Seattle/Tacoma Intl

sáb. 12/6

11:55 am-5:57 pm

2 stops28h 02m

$540

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

jue. 7/10

8:45 am-12:25 am

2 stops16h 40m

Seattle/Tacoma Intl

dom. 7/20

9:10 pm-12:45 pm

2 stops14h 35m

$584

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

jue. 7/10

2:00 pm-6:08 am

2 stops17h 08m

Seattle/Tacoma Intl

lun. 7/14

12:59 am-2:45 pm

1 stop12h 46m

$796

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 24 results
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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 $391). 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 junio 12, 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 junio 12, 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 Copa Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
7.5
Good
1,451 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
Aeromexico
7.5
Good
1,706 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

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?

    $226 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Spirit Airlines, with prices starting from $227 and $230, 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 $391). 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
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$410Average$565FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$441Average$638FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$442Average$593FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$502Average$657FlexibilityNo cancel feeOn-time75%

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