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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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SEA
abr. 7 — abr. 141
lun. 4/7
lun. 4/14
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 abril 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$452
(Mytrip)

One-way from

$221
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$611
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 ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 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 abril 2, 2025.

This Mytrip deal was found by Cheapflights users on 4/1. 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.
jue. 5/112:55 amSJO - SEA
3 stops35h 40mMultiple Airlines
mar. 5/136:00 amSEA - SJO
3 stops29h 22mMultiple Airlines
Deal found 4/1$452
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/161:06 amSJO - SEA
1 stop20h 29mAlaska Airlines
dom. 5/256:52 pmSEA - SJO
1 stop27h 54mAlaska Airlines
Deal found 4/1$453
This Mytrip deal was found by Cheapflights users on 4/1. 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.
vie. 5/212:23 pmSJO - SEA
3 stops24h 12mSpirit Airlines
mar. 5/133:20 pmSEA - SJO
3 stops43h 13mSpirit Airlines
Deal found 4/1$456
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/2411:13 amSJO - SEA
2 stops38h 55mUnited Airlines
dom. 5/411:59 pmSEA - SJO
1 stop11h 27mUnited Airlines
Deal found 4/1$460
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/96:03 amSJO - SEA
1 stop18h 04mAmerican Airlines
sáb. 5/1712:24 amSEA - SJO
1 stop10h 03mAmerican Airlines
Deal found 4/1$461
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/303:25 pmLIR - SEA
2 stops23h 35mUnited Airlines
lun. 5/55:15 amSEA - LIR
1 stop9h 10mUnited Airlines
Deal found 4/1$483
This American Airlines deal was found by Cheapflights users on 4/1. 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 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 stop18h 34mAmerican Airlines
mar. 7/153:38 pmSEA - LIR
1 stop20h 22mAmerican Airlines
Deal found 4/1$531
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/31:06 pmLIR - SEA
1 stop11h 49mDelta
dom. 4/612:49 amSEA - LIR
1 stop9h 55mDelta
Deal found 4/1$536
This Copa Airlines deal was found by Cheapflights users on 4/1. 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 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 46mCopa Airlines
mar. 12/26:30 amSEA - SJO
2 stops23h 31mCopa Airlines
Deal found 4/1$608
This Mytrip deal was found by Cheapflights users on 4/1. 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. 4/303:10 pmLIR - SEA
3 stops32h 03mMultiple Airlines
lun. 5/57:05 amSEA - LIR
2 stops28h 19mMultiple Airlines
Deal found 4/1$1,273

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 abril 2, 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

jue. 5/1

12:55 am-11:35 am

3 stops35h 40m

Seattle/Tacoma Intl

mar. 5/13

6:00 am-12:22 pm

3 stops29h 22m

$452

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 5/16

1:06 am-8:35 pm

1 stop20h 29m

Seattle/Tacoma Intl

dom. 5/25

6:52 pm-11:46 pm

1 stop27h 54m

$453

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 5/2

12:23 pm-11:35 am

3 stops24h 12m

Seattle/Tacoma Intl

mar. 5/13

3:20 pm-11:33 am

3 stops43h 13m

$456

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

jue. 4/24

11:13 am-1:08 am

2 stops38h 55m

Seattle/Tacoma Intl

dom. 5/4

11:59 pm-12:26 pm

1 stop11h 27m

$460

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 5/9

6:03 am-11:07 pm

1 stop18h 04m

Seattle/Tacoma Intl

sáb. 5/17

12:24 am-11:27 am

1 stop10h 03m

$461

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

mié. 4/30

3:25 pm-2:00 pm

2 stops23h 35m

Seattle/Tacoma Intl

lun. 5/5

7:15 pm-2:23 pm

2 stops18h 08m

$483

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

jue. 7/10

3:45 pm-9:19 am

1 stop18h 34m

Seattle/Tacoma Intl

mar. 7/15

3:38 pm-1:00 pm

1 stop20h 22m

$531

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

mié. 4/30

3:10 pm-10:13 pm

3 stops32h 03m

Seattle/Tacoma Intl

lun. 5/5

7:05 am-12:24 pm

2 stops28h 19m

$1,273

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

jue. 5/8

12:28 pm-2:25 pm

2 stops26h 57m

$221

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mar. 5/20

1:06 am-2:50 pm

1 stop14h 44m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 20 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 $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 abril 2, 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 abril 2, 2025.
To help decide which airline to fly from Costa Rica to Seattle, see what other customers have to say about Alaska Airlines, Delta and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

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
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

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
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

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
SWISS
7.5
Good
1,572 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

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
8,616 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

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
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

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?

    $221 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 $233 and $241, 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
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

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 abril 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$406Average$640FlexibilityNo cancel feeOn-time71%
DeltaCheapest$410Average$565FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$427Average$600FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$502Average$659FlexibilityNo cancel feeOn-time75%

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