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$193+ 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
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$463
(United Airlines)

One-way from

$193
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$566
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. 5% potential increase in price ($32 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 May 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 mayo 1, 2025.

This Mytrip deal was found by Cheapflights users on 5/1. 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. 5/142:48 pmSJO - SEA
3 stops24h 37mMultiple Airlines
mar. 5/206:00 amSEA - SJO
3 stops29h 22mMultiple Airlines
Deal found 5/1$459
This eDestinos deal was found by Cheapflights users on 4/30. 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.
vie. 5/212:23 pmSJO - SEA
2 stops24h 12mSpirit Airlines
mar. 5/136:00 amSEA - SJO
2 stops27h 27mSpirit Airlines
Deal found 4/30$461
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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. 8/179:18 pmSEA - SJO
2 stops25h 12mAlaska Airlines
Deal found 4/30$463
This United Airlines deal was found by Cheapflights users on 4/30. 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. 5/106:35 amSJO - SEA
2 stops16h 22mUnited Airlines
mar. 6/107:27 pmSEA - SJO
2 stops13h 44mUnited Airlines
Deal found 4/30$468
This American Airlines deal was found by Cheapflights users on 4/29. 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. 5/811:59 pmSJO - SEA
1 stop19h 23mAmerican Airlines
vie. 6/65:32 amSEA - SJO
1 stop15h 32mAmerican Airlines
Deal found 4/29$473
This Southwest deal was found by Cheapflights users on 4/30. 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.
jue. 8/288:50 amSJO - SEA
2 stops16h 15mSouthwest
mar. 9/211:00 pmSEA - SJO
2 stops12h 45mSouthwest
Deal found 4/30$486
This United Airlines deal was found by Cheapflights users on 4/30. 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.
vie. 6/1311:49 amLIR - SEA
1 stop21h 12mUnited Airlines
sáb. 6/216:25 amSEA - LIR
1 stop31h 27mUnited Airlines
Deal found 4/30$509
This American Airlines deal was found by Cheapflights users on 4/30. 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. 7/103:45 pmLIR - SEA
1 stop9h 58mAmerican Airlines
mié. 7/165:45 pmSEA - LIR
1 stop20h 00mAmerican Airlines
Deal found 4/30$527
This Copa Airlines deal was found by Cheapflights users on 4/30. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/184:13 amSJO - SEA
2 stops20h 05mCopa Airlines
mar. 12/26:30 amSEA - SJO
2 stops23h 31mCopa Airlines
Deal found 4/30$589
This Delta deal was found by Cheapflights users on 4/30. 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.
mar. 11/187:00 amSJO - SEA
2 stops16h 06mDelta
lun. 12/16:00 amSEA - SJO
1 stop14h 15mDelta
Deal found 4/30$644
This American Airlines deal was found by Cheapflights users on 4/30. 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.
vie. 6/133:40 pmLIR - SEA
2 stops17h 21mMultiple Airlines
vie. 6/2012:05 amSEA - LIR
1 stop11h 20mMultiple Airlines
Deal found 4/30$729

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 mayo 1, 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

mié. 5/14

2:48 pm-2:25 pm

3 stops24h 37m

Seattle/Tacoma Intl

mar. 5/20

6:00 am-12:22 pm

3 stops29h 22m

$459

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

9:18 pm-11:30 pm

2 stops25h 12m

$463

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mar. 5/20

7:55 am-12:59 am

2 stops18h 04m

Seattle/Tacoma Intl

mar. 6/17

2:50 pm-7:15 am

1 stop15h 25m

$468

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 6/20

12:28 pm-3:03 pm

2 stops27h 35m

Seattle/Tacoma Intl

lun. 6/23

3:58 pm-11:19 am

2 stops18h 21m

$473

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mié. 5/14

1:50 pm-12:45 am

1 stop11h 55m

Seattle/Tacoma Intl

lun. 5/19

10:10 pm-6:35 pm

1 stop19h 25m

$480

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mié. 5/14

8:45 am-11:30 pm

2 stops15h 45m

Seattle/Tacoma Intl

lun. 5/19

5:35 am-7:40 pm

2 stops13h 05m

$484

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

vie. 6/13

11:49 am-8:01 am

1 stop21h 12m

Seattle/Tacoma Intl

sáb. 6/21

6:25 am-2:52 pm

1 stop31h 27m

$509

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

jue. 7/10

3:45 pm-12:43 am

1 stop9h 58m

Seattle/Tacoma Intl

mié. 7/16

5:45 pm-2:45 pm

1 stop20h 00m

$527

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

vie. 6/13

3:40 pm-8:01 am

2 stops17h 21m

Seattle/Tacoma Intl

vie. 6/20

12:05 am-12:25 pm

1 stop11h 20m

$729

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mié. 6/4

12:28 pm-2:11 pm

2 stops26h 43m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 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 $405). 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 mayo 1, 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 mayo 1, 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 United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

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
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

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
Spirit Airlines
6.3
Okay
7,962 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

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?

    $195 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $214 and $245, 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 $405). 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
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Lynnwood
Aberdeen
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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$410Average$590FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$427Average$614FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$447Average$642FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$467Average$639FlexibilityNo cancel feeOn-time71%

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