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$118+ Cheap flights from Washington 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJO
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Washington to Costa Rica

Keep the following information in mind while searching for Washington to Costa Rica flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$441
(SmartFares)

One-way from

$118
(FlightHub)

Popular in

December

Cheapest in

May

Average price

$685

Good one-way deal

$355 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San José Juan Santamaria Intl flights.
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From Washington to Costa Rica
Search Deals
One-way flight from Washington to Costa Rica
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a one-way flight from Washington to Costa Rica.
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Find flight deals from Washington to Costa Rica

Cheapest flights from Washington to Costa Rica
Explore the most affordable flight options available from Washington to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This SmartFares deal was found by Cheapflights users on 2/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:37 pmPDX - LIR
1 stop11h 03mAlaska Airlines
Wed 3/126:02 pmLIR - PDX
1 stop15h 34mAlaska Airlines
Deal found 2/20$441
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 3/241:44 pmPSC - SJO
2 stops26h 32mUnited Airlines
Thu 3/275:30 amSJO - PSC
2 stops19h 00mUnited Airlines
Deal found 2/19$450
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 3/110:55 pmPDX - LIR
1 stop11h 25mAmerican Airlines
Fri 3/1412:13 pmLIR - PDX
1 stop11h 47mAmerican Airlines
Deal found 2/20$455
This American Airlines deal was found by Cheapflights users on 2/20. 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 4/236:27 amGEG - SJO
2 stops14h 37mAmerican Airlines
Wed 5/146:03 amSJO - GEG
2 stops16h 10mAmerican Airlines
Deal found 2/20$492
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 3/2511:32 amPSC - SJO
2 stops17h 15mDelta
Thu 3/277:25 amSJO - PSC
2 stops17h 34mDelta
Deal found 2/19$492
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 3/252:05 pmPDX - SJO
2 stops14h 42mDelta
Wed 4/27:25 amSJO - PDX
2 stops17h 34mDelta
Deal found 2/19$499
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2311:35 pmSEA - SJO
1 stop10h 46mMultiple Airlines
Tue 3/2512:26 pmSJO - SEA
2 stops21h 17mMultiple Airlines
Deal found 2/19$500
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Tue 4/2212:30 pmSEA - SJO
2 stops21h 48mSpirit Airlines
Mon 4/2812:55 amSJO - SEA
2 stops35h 40mSpirit Airlines
Deal found 2/20$502
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Sat 3/294:53 pmPDX - SJO
3 stops29h 57mSpirit Airlines
Sat 4/512:26 pmSJO - PDX
2 stops22h 54mSpirit Airlines
Deal found 2/20$503
This Mytrip deal was found by Cheapflights users on 2/19. 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.
Fri 3/710:20 pmPDX - SJO
1 stop22h 52mMultiple Airlines
Sun 3/912:26 pmSJO - PDX
3 stops31h 11mMultiple Airlines
Deal found 2/19$507
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 3/107:21 pmPDX - LIR
2 stops18h 47mUnited Airlines
Mon 3/1711:50 amLIR - PDX
1 stop12h 05mUnited Airlines
Deal found 2/20$507
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 3/1111:59 pmSEA - SJO
2 stops12h 21mAmerican Airlines
Wed 3/196:05 amSJO - SEA
1 stop18h 21mAmerican Airlines
Deal found 2/20$511

Find flights from Washington to Costa Rica within your budget

Customize your flight search to find flights from Washington 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 February 20, 2025.

Fly from

Washington

Fly to

Costa Rica

Route

Depart

Return

Price

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Wed 3/5

5:37 pm-6:40 am

1 stop11h 03m

Liberia

Wed 3/12

6:02 pm-8:36 am

1 stop15h 34m

$441

PascoSan José

PSC - SJO

PSCSJO

Pasco Tri Cities

Mon 3/24

1:44 pm-5:16 pm

2 stops26h 32m

San José Juan Santamaria Intl

Thu 3/27

5:30 am-11:30 pm

2 stops19h 00m

$450

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 3/1

10:55 pm-12:20 pm

1 stop11h 25m

Liberia

Fri 3/14

12:13 pm-11:00 pm

1 stop11h 47m

$455

PascoSan José

PSC - SJO

PSCSJO

Pasco Tri Cities

Tue 3/25

11:32 am-5:47 am

2 stops17h 15m

San José Juan Santamaria Intl

Thu 3/27

7:25 am-11:59 pm

2 stops17h 34m

$492

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Wed 4/23

6:27 am-10:04 pm

2 stops14h 37m

San José Juan Santamaria Intl

Wed 5/14

6:03 am-9:13 pm

2 stops16h 10m

$492

PortlandSan José

PDX - SJO

PDXSJO

Portland

Tue 3/25

2:05 pm-5:47 am

2 stops14h 42m

San José Juan Santamaria Intl

Thu 4/3

7:25 am-11:56 pm

2 stops17h 31m

$499

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sun 3/23

11:35 pm-11:21 am

1 stop10h 46m

San José Juan Santamaria Intl

Tue 3/25

12:26 pm-8:43 am

2 stops21h 17m

$500

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 4/22

12:30 pm-11:18 am

2 stops21h 48m

San José Juan Santamaria Intl

Mon 4/28

12:55 am-11:35 am

2 stops35h 40m

$502

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sat 3/29

4:53 pm-11:50 pm

3 stops29h 57m

San José Juan Santamaria Intl

Sat 4/5

12:26 pm-10:20 am

2 stops22h 54m

$503

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sat 4/19

7:35 pm-12:10 pm

2 stops15h 35m

Liberia

Wed 4/23

1:20 pm-11:14 pm

1 stop10h 54m

$505

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica from Washington 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 Washington to Costa Rica

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

What is the cheapest month to book a flight from State of Washington to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Costa Rica (average of $398). Flying from State of Washington 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 WA to CR?

Find hourly flight availability from Washington 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 February 20, 2025.

When flying from State of Washington to Costa Rica, 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 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 February 20, 2025.
Read reviews from past customers who have flown Southwest, Delta and Alaska Airlines from Washington to Costa Rica. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

KLM
7.8
Good
1,333 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Copa Airlines
7.6
Good
1,510 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Washington 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 are the cheapest airlines to fly from State of Washington to Costa Rica one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $118. American Airlines flights start at $162 while deals on Alaska Airlines start at $195 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Costa Rica (average of $398). Flying from State of Washington 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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Alternative routes for Washington to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Washington to Costa Rica

Discover the top 8 airlines that operate flights from Washington 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$254Average$355FlexibilityNo cancel feeOn-time65%
DeltaCheapest$370Average$659FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$389Average$672FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$414Average$624FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$452Average$855FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$462Average$650FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$538Average$805FlexibilityNo cancel feeOn-time70%
AeromexicoCheapest$728Average$977FlexibilityNo cancel feeOn-timeN/A
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