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 10m on average. On the other hand, flying from Spokane to San José takes 12h 10m 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 is the cheapest airline that flies from Washington to Costa Rica?

Southwest, United Airlines, and American Airlines are the most popular carriers operating from Washington to Costa Rica

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 39% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 6 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 August 2026, there are 6 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.

$178 Cheap Flights from Washington to Costa Rica in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Costa Rica

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:55 pm - 8:45 am

PDX

SJO

13h 50m

2 stops

9:40 am - 9:25 am

SJO

PDX

24h 45m

2 stops

$405Multiple Airlines

Sun, Sep 6 - Sun, Sep 13

1:53 pm - 11:30 am

PDX

SJO

20h 37m

2 stops

12:40 pm - 9:25 am

SJO

PDX

21h 45m

3 stops

$406Multiple Airlines

Sun, Sep 6 - Sun, Sep 13

5:34 pm - 1:47 pm

SEA

LIR

19h 13m

1 stop

2:47 pm - 11:11 am

LIR

SEA

21h 24m

2 stops

$439American Airlines

Sat, Sep 12 - Fri, Sep 18

10:45 pm - 1:18 pm

SEA

LIR

13h 33m

2 stops

2:47 pm - 10:09 am

LIR

SEA

20h 22m

2 stops

$439American Airlines

Sat, Sep 12 - Fri, Sep 18

7:15 pm - 12:10 pm

PDX

LIR

15h 55m

2 stops

1:20 pm - 11:15 pm

LIR

PDX

10h 55m

1 stop

$466United Airlines

Sun, Sep 6 - Fri, Sep 11

7:33 pm - 12:10 pm

PDX

LIR

15h 37m

2 stops

1:20 pm - 9:36 am

LIR

PDX

21h 16m

2 stops

$471United Airlines

Mon, Oct 5 - Wed, Oct 14

2:00 pm - 1:15 pm

SEA

SJO

21h 15m

2 stops

2:10 pm - 1:15 am

SJO

SEA

13h 05m

2 stops

$506Southwest

Tue, Nov 3 - Mon, Nov 9

6:30 am - 7:40 pm

SEA

SJO

12h 10m

2 stops

1:30 pm - 10:00 am

SJO

SEA

21h 30m

2 stops

$506Southwest

Sun, Oct 25 - Fri, Oct 30

2:30 pm - 6:22 am

PDX

LIR

13h 52m

1 stop

7:12 pm - 11:06 am

LIR

PDX

17h 54m

1 stop

$520Alaska Airlines

Sun, Dec 6 - Thu, Dec 24

2:30 pm - 6:22 am

PDX

LIR

13h 52m

1 stop

7:12 pm - 1:32 pm

LIR

PDX

20h 20m

1 stop

$520Alaska Airlines

Mon, Dec 7 - Thu, Dec 24

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Avianca flights from State of Washington to Costa Rica

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

Avianca

Aug 5

SEA8:35 amSeattle/Tacoma Intl

14h 05m

2 stops

SJO11:40 pmSan José Juan Santamaria Intl

Aug 15

SJO7:45 pmSan José Juan Santamaria Intl

26h 56m

3 stops

SEA9:41 pmSeattle/Tacoma Intl

$673

Avianca

Aug 5

SEA8:35 amSeattle/Tacoma Intl

14h 05m

2 stops

SJO11:40 pmSan José Juan Santamaria Intl

Aug 15

SJO9:40 amSan José Juan Santamaria Intl

37h 01m

3 stops

SEA9:41 pmSeattle/Tacoma Intl

$710

Avianca

Aug 3

SEA5:04 pmSeattle/Tacoma Intl

14h 41m

2 stops

SJO8:45 amSan José Juan Santamaria Intl

Aug 14

SJO5:45 amSan José Juan Santamaria Intl

16h 56m

2 stops

SEA9:41 pmSeattle/Tacoma Intl

$751

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

Sep 12

SEA5:34 pmSeattle/Tacoma Intl

19h 13m

1 stop

LIR1:47 pmLiberia

Sep 18

LIR2:47 pmLiberia

21h 24m

2 stops

SEA11:11 amSeattle/Tacoma Intl

$439

American Airlines

Jan 3

PDX10:55 pmPortland

13h 18m

2 stops

LIR2:13 pmLiberia

Jan 13

LIR3:13 pmLiberia

22h 32m

2 stops

PDX11:45 amPortland

$471

American Airlines

Aug 23

PDX9:44 pmPortland

13h 42m

1 stop

SJO12:26 pmSan José Juan Santamaria Intl

Aug 28

SJO2:56 pmSan José Juan Santamaria Intl

20h 58m

2 stops

PDX10:54 amPortland

$475

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sun 9/6

5:55 pm-8:45 am

2 stops13h 50m

San José Juan Santamaria Intl

Sun 9/13

9:40 am-9:25 am

2 stops24h 45m

$405

PortlandSan José

PDX - SJO

PDXSJO

Portland

Sun 9/6

1:53 pm-11:30 am

2 stops20h 37m

San José Juan Santamaria Intl

Sun 9/13

12:40 pm-9:25 am

3 stops21h 45m

$406

SeattleLiberia

SEA - LIR

SEALIR

Seattle/Tacoma Intl

Sat 9/12

5:34 pm-1:47 pm

1 stop19h 13m

Liberia

Fri 9/18

2:47 pm-11:11 am

2 stops21h 24m

$439

SeattleLiberia

SEA - LIR

SEALIR

Seattle/Tacoma Intl

Sat 9/12

10:45 pm-1:18 pm

2 stops13h 33m

Liberia

Fri 9/18

2:47 pm-10:09 am

2 stops20h 22m

$439

Quickest round-trip

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 9/6

7:15 pm-12:10 pm

2 stops15h 55m

Liberia

Fri 9/11

1:20 pm-11:15 pm

1 stop10h 55m

$466

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 10/5

7:33 pm-12:10 pm

2 stops15h 37m

Liberia

Wed 10/14

1:20 pm-9:36 am

2 stops21h 16m

$471

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 11/3

2:00 pm-1:15 pm

2 stops21h 15m

San José Juan Santamaria Intl

Mon 11/9

2:10 pm-1:15 am

2 stops13h 05m

$506

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sun 10/25

6:30 am-7:40 pm

2 stops12h 10m

San José Juan Santamaria Intl

Fri 10/30

1:30 pm-10:00 am

2 stops21h 30m

$506

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Sun 12/6

2:30 pm-6:22 am

1 stop13h 52m

Liberia

Thu 12/24

7:12 pm-11:06 am

1 stop17h 54m

$520

PortlandLiberia

PDX - LIR

PDXLIR

Portland

Mon 12/7

2:30 pm-6:22 am

1 stop13h 52m

Liberia

Thu 12/24

7:12 pm-1:32 pm

1 stop20h 20m

$520

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 September. Flight prices, which tend to average around $520, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in September, then January is your next best option. Flight prices from State of Washington to Costa Rica during January average around $530.

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 $656 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 $613 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 29% 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

Fastest flight time	7h 07m
Direct flights	Sun
Airports in Costa Rica	40 airports

The fastest flight from State of Washington to Costa Rica takes 7h 07m

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 August 2026, there are 6 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 $297	Free Cancellation	Rating 7.4 10,063 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $311	Free Cancellation	Rating 7.9 12,742 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $316	Free Cancellation	Rating 7.1 11,849 reviews	Search American Airlines flights
Delta	PriceFrom $345	Free Cancellation	Rating 7.8 8,498 reviews	Search Delta flights
JetBlue	PriceFrom $362	Free Cancellation	Rating 7.1 3,029 reviews	Search JetBlue flights
Southwest	PriceFrom $500	Free Cancellation	Rating 8.0 4,230 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 $201

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Cheap flights from Washington to Costa Rica from $178

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 8/28. 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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Avianca flights from State of Washington to Costa Rica

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

American Airlines flights from State of Washington to Costa Rica

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

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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

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

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Fly your favorite airline to Costa Rica

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

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