What is the cheapest airline that flies from Washington to Costa Rica?

United Airlines, Delta, and Sun Country Air are the most popular carriers operating from Washington to Costa Rica

How long is the flight from State of Washington to Costa Rica?

Flight times vary depending on what airport in State of Washington you fly out of and what airport in Costa Rica you fly into. For example, flying from Seattle to San José takes 11h 02m on average. On the other hand, flying from Spokane to San José takes 13h 20m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

What airlines fly to Costa Rica?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to Costa Rica from State of Washington according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 7 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Washington to Costa Rica?

Prices for flights from Washington to Costa Rica are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Costa Rica?

As of November 2026, there are 7 operators available to choose from for flights from Washington to Costa Rica.

How old do you have to be to fly from Washington to Costa Rica?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Costa Rica.

What documentation or ID do you need to fly to Costa Rica?

The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$269 Cheap Flights from Washington to Costa Rica in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Costa Rica

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Cheap round-trip flights

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2:56 pm - 2:00 pmGEG Spokane-SJO San José Juan Santamaria Intl

21h 04m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

6:00 am - 6:24 pmSJO San José Juan Santamaria Intl-GEG Spokane

14h 24m2 stops Miami Dallas/Fort Worth

$449American Airlines

Mon, Feb 1 - Tue, Feb 9

2:56 pm - 12:30 pmGEG Spokane-SJO San José Juan Santamaria Intl

19h 34m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

6:00 am - 6:24 pmSJO San José Juan Santamaria Intl-GEG Spokane

14h 24m2 stops Miami Dallas/Fort Worth

$449American Airlines

Mon, Feb 1 - Tue, Feb 9

2:56 pm - 7:54 pmGEG Spokane-SJO San José Juan Santamaria Intl

26h 58m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

3:23 pm - 1:05 pmSJO San José Juan Santamaria Intl-GEG Spokane

23h 42m2 stops Miami Chicago O'Hare Intl

$544GOL

Sat, Feb 6 - Mon, Feb 22

8:13 am - 2:15 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

28h 02m1 stop Miami

7:00 am - 10:00 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

17h 00m1 stop Miami

$571Multiple Airlines

Thu, Jan 28 - Thu, Feb 4

6:55 am - 7:00 pmGEG Spokane-SJO San José Juan Santamaria Intl

11h 05m2 stops Denver Intl Houston Hobby

9:00 am - 9:40 pmSJO San José Juan Santamaria Intl-GEG Spokane

13h 40m2 stops Orlando Sacramento Intl

$589Southwest

Wed, Apr 14 - Wed, Apr 21

1:15 pm - 12:10 pmGEG Spokane-SJO San José Juan Santamaria Intl

21h 55m2 stops Denver Intl Orlando

9:00 am - 9:40 pmSJO San José Juan Santamaria Intl-GEG Spokane

13h 40m2 stops Orlando Sacramento Intl

$598Southwest

Wed, Apr 28 - Wed, May 5

9:40 am - 11:57 pmPAE Everett Paine Field-SJO San José Juan Santamaria Intl

12h 17m1 stop Los Angeles

1:45 am - 3:21 pmSJO San José Juan Santamaria Intl-PAE Everett Paine Field

15h 36m1 stop Los Angeles

$600Alaska Airlines

Thu, Feb 18 - Wed, Mar 10

7:00 am - 11:57 pmPAE Everett Paine Field-SJO San José Juan Santamaria Intl

14h 57m1 stop Los Angeles

1:45 am - 3:21 pmSJO San José Juan Santamaria Intl-PAE Everett Paine Field

15h 36m1 stop Los Angeles

$601Alaska Airlines

Tue, Feb 23 - Tue, Mar 9

1:10 pm - 8:32 amGEG Spokane-SJO San José Juan Santamaria Intl

17h 22m1 stop San Francisco

7:30 am - 5:53 pmSJO San José Juan Santamaria Intl-GEG Spokane

12h 23m1 stop Denver Intl

$601United Airlines

Mon, Nov 23 - Sun, Dec 6

5:00 am - 8:39 pmGEG Spokane-SJO San José Juan Santamaria Intl

13h 39m2 stops Denver Intl Houston George Bush Intcntl

8:45 am - 9:06 pmSJO San José Juan Santamaria Intl-GEG Spokane

14h 21m2 stops Houston George Bush Intcntl Denver Intl

$601United Airlines

Tue, Jan 26 - Tue, Feb 2

Cheap last minute flights

Enter your travel dates to find the best prices.

6:00 am - 8:50 pmGEG Spokane-SJO San José Juan Santamaria Intl

12h 50m2 stops Dallas/Fort Worth Miami

11:35 pm - 12:32 pmSJO San José Juan Santamaria Intl-GEG Spokane

13h 57m2 stops Dallas/Fort Worth Chicago O'Hare Intl

$655American Airlines

Thu, Nov 12 - Mon, May 3

7:05 am - 8:39 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

11h 34m1 stop Houston George Bush Intcntl

2:25 pm - 10:51 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

10h 26m1 stop Houston George Bush Intcntl

$660United Airlines

Thu, Nov 12 - Thu, Nov 19

6:00 am - 8:39 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

12h 39m2 stops Los Angeles Houston George Bush Intcntl

2:25 pm - 10:51 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

10h 26m1 stop Houston George Bush Intcntl

$660United Airlines

Thu, Nov 12 - Thu, Nov 19

11:34 pm - 2:49 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

13h 15m2 stops Chicago O'Hare Intl Miami

6:00 am - 8:50 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

16h 50m2 stops Miami Phoenix Sky Harbor Intl

$664American Airlines

Thu, Nov 12 - Thu, Nov 19

3:15 pm - 2:10 pmSEA Seattle/Tacoma Intl-LIR Liberia

20h 55m2 stops Vancouver Intl Toronto Pearson Intl

3:10 pm - 6:22 pmLIR Liberia-SEA Seattle/Tacoma Intl

29h 12m2 stops Toronto Pearson Intl Vancouver Intl

$709Air Canada

Mon, Nov 16 - Mon, Nov 23

7:45 am - 2:10 pmSEA Seattle/Tacoma Intl-LIR Liberia

28h 25m1 stop Toronto Pearson Intl

3:10 pm - 6:22 pmLIR Liberia-SEA Seattle/Tacoma Intl

29h 12m2 stops Toronto Pearson Intl Vancouver Intl

$709Air Canada

Mon, Nov 16 - Mon, Nov 23

12:54 pm - 11:05 pmPAE Everett Paine Field-SJO San José Juan Santamaria Intl

56h 11m2 stops Portland Los Angeles

1:46 am - 5:24 pmSJO San José Juan Santamaria Intl-PAE Everett Paine Field

17h 38m1 stop Los Angeles

$741Alaska Airlines

Thu, Nov 12 - Wed, Nov 18

12:54 pm - 11:05 pmPAE Everett Paine Field-SJO San José Juan Santamaria Intl

56h 11m2 stops Portland Los Angeles

1:46 am - 9:52 pmSJO San José Juan Santamaria Intl-PAE Everett Paine Field

22h 06m1 stop Los Angeles

$751Alaska Airlines

Thu, Nov 12 - Wed, Nov 18

8:20 am - 11:15 pmPAE Everett Paine Field-SJO San José Juan Santamaria Intl

12h 55m2 stops Los Angeles Guatemala City La Aurora

5:35 am - 9:52 pmSJO San José Juan Santamaria Intl-PAE Everett Paine Field

18h 17m2 stops Guatemala City La Aurora Los Angeles

$818Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

6:00 am - 11:15 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

15h 15m2 stops Los Angeles Guatemala City La Aurora

5:10 am - 9:54 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

18h 44m3 stops San Salvador El Salvador Intl Managua Augusto C Sandino Miami

$882Multiple Airlines

Thu, Nov 12 - Thu, Nov 19

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American Airlines flights from State of Washington to Costa Rica

Our best American Airlines deals on State of Washington to Costa Rica flight tickets

American Airlines

Feb 1

GEG2:56 pmSpokane

19h 34m

2 stops

SJO12:30 pmSan José Juan Santamaria Intl

Feb 9

SJO6:00 amSan José Juan Santamaria Intl

14h 24m

2 stops

GEG6:24 pmSpokane

$449

American Airlines

Apr 14

GEG6:00 amSpokane

14h 36m

1 stop

SJO9:36 pmSan José Juan Santamaria Intl

Apr 20

SJO11:35 pmSan José Juan Santamaria Intl

13h 57m

2 stops

GEG12:32 pmSpokane

$454

American Airlines

Feb 1

GEG2:56 pmSpokane

21h 04m

2 stops

SJO2:00 pmSan José Juan Santamaria Intl

Feb 9

SJO3:00 pmSan José Juan Santamaria Intl

29h 24m

1 stop

GEG6:24 pmSpokane

$460

GOL flights from State of Washington to Costa Rica

Our best GOL deals on State of Washington to Costa Rica flight tickets

GOL

Feb 6

GEG2:56 pmSpokane

26h 58m

2 stops

SJO7:54 pmSan José Juan Santamaria Intl

Feb 22

SJO3:23 pmSan José Juan Santamaria Intl

23h 42m

2 stops

GEG1:05 pmSpokane

$544

GOL

Mar 23

GEG6:30 amSpokane

27h 59m

2 stops

SJO11:29 amSan José Juan Santamaria Intl

Apr 6

SJO11:35 pmSan José Juan Santamaria Intl

24h 34m

2 stops

GEG11:09 pmSpokane

$676

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Costa Rica that are best for you.

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Route

Depart

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Price

Cheapest round-trip

SpokaneSan José

GEG Spokane - SJO San José Juan Santamaria Intl

GEGSJO

Spokane

Mon 2/1

2:56 pm-2:00 pm

2 stops21h 04m

San José Juan Santamaria Intl

Tue 2/9

6:00 am-6:24 pm

2 stops14h 24m

$449

SpokaneSan José

GEG Spokane - SJO San José Juan Santamaria Intl

GEGSJO

Spokane

Mon 2/1

2:56 pm-12:30 pm

2 stops19h 34m

San José Juan Santamaria Intl

Tue 2/9

6:00 am-6:24 pm

2 stops14h 24m

$449

SpokaneSan José

GEG Spokane - SJO San José Juan Santamaria Intl

GEGSJO

Spokane

Sat 2/6

2:56 pm-7:54 pm

2 stops26h 58m

San José Juan Santamaria Intl

Mon 2/22

3:23 pm-1:05 pm

2 stops23h 42m

$544

SeattleSan José

SEA Seattle/Tacoma Intl - SJO San José Juan Santamaria Intl

SEASJO

Seattle/Tacoma Intl

Thu 1/28

8:13 am-2:15 pm

1 stop28h 02m

San José Juan Santamaria Intl

Thu 2/4

7:00 am-10:00 pm

1 stop17h 00m

$571

Quickest round-trip

SpokaneSan José

GEG Spokane - SJO San José Juan Santamaria Intl

GEGSJO

Spokane

Wed 4/14

6:55 am-7:00 pm

2 stops11h 05m

San José Juan Santamaria Intl

Wed 4/21

9:00 am-9:40 pm

2 stops13h 40m

$589

SpokaneSan José

GEG Spokane - SJO San José Juan Santamaria Intl

GEGSJO

Spokane

Wed 4/28

1:15 pm-12:10 pm

2 stops21h 55m

San José Juan Santamaria Intl

Wed 5/5

9:00 am-9:40 pm

2 stops13h 40m

$598

EverettSan José

PAE Everett Paine Field - SJO San José Juan Santamaria Intl

PAESJO

Everett Paine Field

Thu 2/18

9:40 am-11:57 pm

1 stop12h 17m

San José Juan Santamaria Intl

Wed 3/10

1:45 am-3:21 pm

1 stop15h 36m

$600

EverettSan José

PAE Everett Paine Field - SJO San José Juan Santamaria Intl

PAESJO

Everett Paine Field

Tue 2/23

7:00 am-11:57 pm

1 stop14h 57m

San José Juan Santamaria Intl

Tue 3/9

1:45 am-3:21 pm

1 stop15h 36m

$601

SpokaneSan José

GEG Spokane - SJO San José Juan Santamaria Intl

GEGSJO

Spokane

Mon 11/23

1:10 pm-8:32 am

1 stop17h 22m

San José Juan Santamaria Intl

Sun 12/6

7:30 am-5:53 pm

1 stop12h 23m

$601

SpokaneSan José

GEG Spokane - SJO San José Juan Santamaria Intl

GEGSJO

Spokane

Tue 1/26

5:00 am-8:39 pm

2 stops13h 39m

San José Juan Santamaria Intl

Tue 2/2

8:45 am-9:06 pm

2 stops14h 21m

$601

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Costa Rica?

The cheapest month to fly to Costa Rica from State of Washington is in January. Flight prices, which tend to average around $599, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in January, then February is your next best option. Flight prices from State of Washington to Costa Rica during February average around $628.

What is the cheapest Washington to Costa Rica flight route?

Fly from Seattle/Tacoma Intl to Liberia for the best Washington - Costa Rica flight prices

How far in advance should I book a flight from Washington to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $707 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from State of Washington for as low as $661 on momondo.

What cabin class options are available on State of Washington to Costa Rica flights?

There is only 1 cabin class available to choose from on State of Washington to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Costa Rica flights?

You could potentially save up to 48% on your flight if you consider stops on a State of Washington to Costa Rica flight.

Cheap State of Washington to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Costa Rica

Best Price Found	$269
Fastest flight time	6h 58m
Direct flights	Sun
Airports in Costa Rica	40 airports

The best one-way flight to Costa Rica from State of Washington in the past 72 hours is $269. The best round-trip flight deal from State of Washington to Costa Rica found on momondo in the last 72 hours is $449.

The fastest flight from State of Washington to Costa Rica takes 6h 58m

Direct flights go from State of Washington to Costa Rica on Sunday. There are no airlines offering direct flights.

There are 40 airports in Costa Rica. From State of Washington there are direct flights to Liberia (LIR).

Search flight deals

Frequently asked questions about flying from Washington to Costa Rica

When did momondo last update prices for flights from Washington to Costa Rica?
Prices for flights from Washington to Costa Rica are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Costa Rica?
As of November 2026, there are 7 operators available to choose from for flights from Washington to Costa Rica.
How old do you have to be to fly from Washington to Costa Rica?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Costa Rica.
What documentation or ID do you need to fly to Costa Rica?
The necessary travel and health documents for your Costa Rica trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from State of Washington to Costa Rica?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Costa Rica is Boeing 737 MAX 8, representing 100.00% of all bookings.

Best airlines flying from State of Washington to Costa Rica

Compare and see reviews for airlines that fly from State of Washington to Costa Rica with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $334	Free Cancellation	Rating 7.3 10,474 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $337	Free Cancellation	Rating 7.9 13,156 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $351	Free Cancellation	Rating 7.0 12,224 reviews	Search American Airlines flights
JetBlue	PriceFrom $362	Free Cancellation	Rating 7.1 3,070 reviews	Search JetBlue flights
Air Canada	PriceFrom $384	Free Cancellation	Rating 7.1 11,886 reviews	Search Air Canada flights
Delta	PriceFrom $390	Free Cancellation	Rating 7.8 8,708 reviews	Search Delta flights
Southwest	PriceFrom $506	Free Cancellation	Rating 8.0 4,216 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Costa Rica?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Costa Rica. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to Costa Rica with flexible booking policies on momondo?

Yes. All flights to Costa Rica from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Costa Rica?

momondo helps you find the best flight between Washington and Costa Rica by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington to Costa Rica right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Flights to San Joséfrom $166

Flights to Liberiafrom $277

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Cheap flights from Washington to Costa Rica from $269

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Costa Rica departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from State of Washington to Costa Rica

Our best American Airlines deals on State of Washington to Costa Rica flight tickets

GOL flights from State of Washington to Costa Rica

Our best GOL deals on State of Washington to Costa Rica flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Costa Rica that are best for you.

See travel insights to Costa Rica from

How to get the cheapest flight ticket from State of Washington to Costa Rica

What is the cheapest month to fly to Costa Rica?

What is the cheapest Washington to Costa Rica flight route?

How far in advance should I book a flight from Washington to Costa Rica?

What cabin class options are available on State of Washington to Costa Rica flights?

Can stopping save me money on State of Washington to Costa Rica flights?

What is the cheapest airline that flies from Washington to Costa Rica?

What airlines fly to Costa Rica?

How long is the flight from State of Washington to Costa Rica?

Cheap State of Washington to Costa Rica flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Costa Rica

Frequently asked questions about flying from Washington to Costa Rica

Best airlines flying from State of Washington to Costa Rica

Compare and see reviews for airlines that fly from State of Washington to Costa Rica with momondo

Why use momondo?

An easier way to manage your Costa Rica trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Popular cities in Costa Rica

Popular flights according to clicks in the last 7 days on momondo

State of Washington flight routes

According to popular flight searches on momondo this year

Costa Rica flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Costa Rica

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Costa Rica

List of cabin classes available on flights landing in Costa Rica. Availability may vary depending on flight origin and airline.

Complete your trip to Costa Rica

Explore popular destinations other users love

According to popular flight searches on momondo this year