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

Air Canada, American Airlines, and Alaska Airlines are the most popular carriers operating from Costa Rica to Washington

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

If you’re flying from a popular airport in Costa Rica, such as Liberia or San José, and flying into State of Washington, then you can expect flight times to average 11h 34m and 13h 16m, respectively.

What airlines fly to State of Washington?

United Airlines, American Airlines and Alaska Airlines are the top three most popular airlines that fly to State of Washington from Costa Rica according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

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

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

As of August 2026, there are 3 operators available to choose from for flights from Costa Rica to Washington.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Costa Rica to Washington.

What documentation or ID do you need to fly to Washington?

The necessary travel and health documents for your Washington 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.

$228 Cheap Flights from Costa Rica to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Costa Rica to Washington

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One-way

Last minute

Recent round-trip flight deals from Costa Rica to Washington

Enter your travel dates to find the best prices.

5:00 am - 4:27 pmSJO San José Juan Santamaria Intl-PDX Portland

13h 27m2 stops San Salvador El Salvador Intl Los Angeles

7:00 am - 11:15 pmPDX Portland-SJO San José Juan Santamaria Intl

14h 15m2 stops Los Angeles Guatemala City La Aurora

$385Multiple Airlines

Wed, Jan 20 - Thu, Feb 4

5:45 am - 11:44 pmSJO San José Juan Santamaria Intl-PDX Portland

19h 59m2 stops Guatemala City La Aurora Los Angeles

8:20 am - 11:40 pmPDX Portland-SJO San José Juan Santamaria Intl

13h 20m2 stops Los Angeles San Salvador El Salvador Intl

$385Multiple Airlines

Fri, Nov 20 - Sat, Nov 28

5:45 am - 11:59 pmSJO San José Juan Santamaria Intl-PDX Portland

19h 14m2 stops Guatemala City La Aurora Los Angeles

7:03 am - 11:15 pmPDX Portland-SJO San José Juan Santamaria Intl

15h 12m2 stops Los Angeles Guatemala City La Aurora

$392Multiple Airlines

Tue, Sep 1 - Sat, Sep 5

1:00 pm - 11:39 pmSJO San José Juan Santamaria Intl-PDX Portland

11h 39m1 stop Dallas/Fort Worth

11:49 pm - 2:00 pmPDX Portland-SJO San José Juan Santamaria Intl

13h 11m1 stop Dallas/Fort Worth

$445American Airlines

Thu, Oct 8 - Mon, Oct 19

1:00 pm - 11:39 pmSJO San José Juan Santamaria Intl-PDX Portland

11h 39m1 stop Dallas/Fort Worth

6:09 pm - 2:00 pmPDX Portland-SJO San José Juan Santamaria Intl

18h 51m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$449American Airlines

Thu, Oct 8 - Mon, Oct 19

1:00 pm - 11:39 pmSJO San José Juan Santamaria Intl-PDX Portland

11h 39m1 stop Dallas/Fort Worth

6:09 pm - 2:00 pmPDX Portland-SJO San José Juan Santamaria Intl

18h 51m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$458American Airlines

Thu, Oct 8 - Mon, Oct 19

2:20 pm - 10:46 pmLIR Liberia-PDX Portland

34h 26m2 stops Houston George Bush Intcntl San Francisco

5:15 am - 4:08 pmPDX Portland-LIR Liberia

8h 53m1 stop Denver Intl

$481United Airlines

Thu, Nov 19 - Sun, Dec 6

2:20 pm - 9:36 amLIR Liberia-PDX Portland

21h 16m2 stops Houston George Bush Intcntl Denver Intl

7:30 am - 1:10 pmPDX Portland-LIR Liberia

27h 40m2 stops San Francisco Houston George Bush Intcntl

$481United Airlines

Thu, Nov 19 - Sun, Dec 6

1:45 am - 1:26 pmSJO San José Juan Santamaria Intl-PDX Portland

13h 41m1 stop Los Angeles

10:30 am - 11:57 pmPDX Portland-SJO San José Juan Santamaria Intl

11h 27m1 stop Los Angeles

$751Alaska Airlines

Fri, Jan 15 - Thu, Jan 28

1:45 am - 1:26 pmSJO San José Juan Santamaria Intl-PDX Portland

13h 41m1 stop Los Angeles

10:30 am - 11:57 pmPDX Portland-SJO San José Juan Santamaria Intl

11h 27m1 stop Los Angeles

$751Alaska Airlines

Wed, Jan 13 - Thu, Jan 28

Recent last minute flight deals from Costa Rica to Washington

Enter your travel dates to find the best prices.

7:45 pm - 12:20 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

17h 35m3 stops San Salvador El Salvador Intl Guatemala City La Aurora Los Angeles

6:10 pm - 11:15 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

28h 05m2 stops Los Angeles Guatemala City La Aurora

$599Multiple Airlines

Tue, Aug 18 - Wed, Aug 19

4:35 pm - 1:39 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

22h 04m2 stops Guatemala City La Aurora Los Angeles

6:10 pm - 11:15 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

28h 05m2 stops Los Angeles Guatemala City La Aurora

$618Multiple Airlines

Tue, Aug 18 - Wed, Aug 19

7:45 pm - 3:32 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

20h 47m3 stops San Salvador El Salvador Intl Guatemala City La Aurora Los Angeles

9:35 am - 11:15 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

12h 40m2 stops Los Angeles Guatemala City La Aurora

$639Multiple Airlines

Tue, Aug 18 - Mon, Aug 24

7:45 pm - 3:32 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

20h 47m3 stops San Salvador El Salvador Intl Guatemala City La Aurora Los Angeles

6:49 am - 11:40 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

15h 51m2 stops Los Angeles San Salvador El Salvador Intl

$664Multiple Airlines

Tue, Aug 18 - Mon, Aug 24

8:45 am - 6:29 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

10h 44m1 stop San Francisco

1:19 pm - 7:15 amSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

16h 56m1 stop San Francisco

$681United Airlines

Fri, Aug 14 - Wed, Sep 30

8:45 am - 6:29 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

10h 44m1 stop San Francisco

3:18 pm - 12:21 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

20h 03m2 stops San Francisco Houston George Bush Intcntl

$686United Airlines

Fri, Aug 14 - Wed, Sep 30

8:45 am - 4:14 pmSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

32h 29m1 stop San Francisco

7:11 am - 7:15 amSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

23h 04m1 stop San Francisco

$811United Airlines

Fri, Aug 14 - Wed, Sep 30

1:03 pm - 9:25 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

21h 22m1 stop Dallas/Fort Worth

5:31 pm - 1:52 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

19h 21m1 stop Dallas/Fort Worth

$834American Airlines

Fri, Aug 14 - Sun, Aug 23

7:00 am - 12:20 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

18h 20m1 stop Miami

3:42 pm - 12:59 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

20h 17m2 stops Dallas/Fort Worth Miami

$886American Airlines

Tue, Aug 18 - Tue, Sep 15

7:00 am - 12:20 amSJO San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl

18h 20m1 stop Miami

11:57 pm - 8:07 pmSEA Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl

19h 10m2 stops Chicago O'Hare Intl Miami

$886American Airlines

Tue, Aug 18 - Tue, Sep 15

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Avianca flights from Costa Rica to State of Washington

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

Avianca

Oct 31

SJO5:45 amSan José Juan Santamaria Intl

17h 05m

2 stops

SEA9:50 pmSeattle/Tacoma Intl

Nov 3

SEA7:35 pmSeattle/Tacoma Intl

14h 10m

3 stops

SJO11:45 amSan José Juan Santamaria Intl

$590

Avianca

Aug 18

SJO5:05 amSan José Juan Santamaria Intl

15h 02m

2 stops

SEA7:07 pmSeattle/Tacoma Intl

Sep 15

SEA4:45 pmSeattle/Tacoma Intl

15h 00m

2 stops

SJO8:45 amSan José Juan Santamaria Intl

$665

Avianca

Aug 27

SJO5:45 amSan José Juan Santamaria Intl

16h 56m

1 stop

SEA9:41 pmSeattle/Tacoma Intl

Sep 2

SEA6:52 pmSeattle/Tacoma Intl

27h 23m

1 stop

SJO11:15 pmSan José Juan Santamaria Intl

$704

United Airlines flights from Costa Rica to State of Washington

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

United Airlines

Nov 18

LIR2:20 pmLiberia

21h 16m

2 stops

PDX9:36 amPortland

Dec 6

PDX7:30 amPortland

27h 40m

2 stops

LIR1:10 pmLiberia

$481

United Airlines

Jan 12

SJO1:15 amSan José Juan Santamaria Intl

24h 03m

1 stop

PDX11:18 pmPortland

Feb 2

PDX7:49 pmPortland

15h 33m

2 stops

SJO1:22 pmSan José Juan Santamaria Intl

$489

United Airlines

Oct 1

LIR1:20 pmLiberia

10h 01m

1 stop

PDX10:21 pmPortland

Oct 4

PDX11:59 pmPortland

11h 11m

1 stop

LIR12:10 pmLiberia

$490

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséPortland

SJO San José Juan Santamaria Intl - PDX Portland

SJOPDX

San José Juan Santamaria Intl

Wed 1/20

5:00 am-4:27 pm

2 stops13h 27m

Portland

Thu 2/4

7:00 am-11:15 pm

2 stops14h 15m

$385

San JoséPortland

SJO San José Juan Santamaria Intl - PDX Portland

SJOPDX

San José Juan Santamaria Intl

Fri 11/20

5:45 am-11:44 pm

2 stops19h 59m

Portland

Sat 11/28

8:20 am-11:40 pm

2 stops13h 20m

$385

San JoséPortland

SJO San José Juan Santamaria Intl - PDX Portland

SJOPDX

San José Juan Santamaria Intl

Tue 9/1

5:45 am-11:59 pm

2 stops19h 14m

Portland

Sat 9/5

7:03 am-11:15 pm

2 stops15h 12m

$392

Quickest round-trip

San JoséPortland

SJO San José Juan Santamaria Intl - PDX Portland

SJOPDX

San José Juan Santamaria Intl

Thu 10/8

1:00 pm-11:39 pm

1 stop11h 39m

Portland

Mon 10/19

11:49 pm-2:00 pm

1 stop13h 11m

$445

San JoséPortland

SJO San José Juan Santamaria Intl - PDX Portland

SJOPDX

San José Juan Santamaria Intl

Thu 10/8

1:00 pm-11:39 pm

1 stop11h 39m

Portland

Mon 10/19

6:09 pm-2:00 pm

2 stops18h 51m

$449

San JoséPortland

SJO San José Juan Santamaria Intl - PDX Portland

SJOPDX

San José Juan Santamaria Intl

Thu 10/8

1:00 pm-11:39 pm

1 stop11h 39m

Portland

Mon 10/19

6:09 pm-2:00 pm

2 stops18h 51m

$458

LiberiaPortland

LIR Liberia - PDX Portland

LIRPDX

Liberia

Thu 11/19

2:20 pm-10:46 pm

2 stops34h 26m

Portland

Sun 12/6

5:15 am-4:08 pm

1 stop8h 53m

$481

LiberiaPortland

LIR Liberia - PDX Portland

LIRPDX

Liberia

Thu 11/19

2:20 pm-9:36 am

2 stops21h 16m

Portland

Sun 12/6

7:30 am-1:10 pm

2 stops27h 40m

$481

San JoséPortland

SJO San José Juan Santamaria Intl - PDX Portland

SJOPDX

San José Juan Santamaria Intl

Fri 1/15

1:45 am-1:26 pm

1 stop13h 41m

Portland

Thu 1/28

10:30 am-11:57 pm

1 stop11h 27m

$751

San JoséPortland

SJO San José Juan Santamaria Intl - PDX Portland

SJOPDX

San José Juan Santamaria Intl

Wed 1/13

1:45 am-1:26 pm

1 stop13h 41m

Portland

Thu 1/28

10:30 am-11:57 pm

1 stop11h 27m

$751

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 Costa Rica to State of Washington

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 State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Costa Rica, with most prices found around $494. If you aren’t able to travel to State of Washington during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $535.

What is the cheapest Costa Rica to Washington flight route?

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

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

You are more likely to see cheaper flights to State of Washington from Costa Rica when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $596 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Costa Rica for as low as $537 on momondo.

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

There is only 1 cabin class available to choose from on Costa Rica to State of Washington 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 Costa Rica to State of Washington flights?

You could potentially save up to 27% on your flight if you consider stops on a Costa Rica to State of Washington flight.

Cheap Costa Rica to State of Washington flight deals and tips

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

Fastest flight time	10h 01m
Direct flights	Mon and Sun
Airports in State of Washington	96 airports

The fastest flight from Costa Rica to State of Washington takes 10h 01m

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

There are 96 airports in State of Washington. From Costa Rica there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Costa Rica to Washington

When did momondo last update prices for flights from Costa Rica to Washington?
Prices for flights from Costa Rica to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Costa Rica to Washington?
As of August 2026, there are 3 operators available to choose from for flights from Costa Rica to Washington.
How old do you have to be to fly from Costa Rica to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Costa Rica to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington 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 Costa Rica to State of Washington?
momondo data reveals that the most frequently booked plane model on the route from Costa Rica to State of Washington is Boeing 737 MAX 8, representing 100.00% of all bookings.

Best airlines flying from Costa Rica to State of Washington

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $368	Free Cancellation	Rating 7.1 11,928 reviews	Search American Airlines flights
United Airlines	PriceFrom $452	Free Cancellation	Rating 7.4 10,108 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $464	Free Cancellation	Rating 7.9 12,809 reviews	Search Alaska Airlines flights

Why use momondo?

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

It is quick and easy to find Costa Rica to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

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

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

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

momondo helps you find the best flight between Costa Rica and Washington 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 Costa Rica to Washington right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington from Costa Rica. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.