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Cheap flights from Costa Rica to Seattle from $185

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Costa Rica to Seattle departing on 1/30. 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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0 bags

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Find the cheapest flights from Costa Rica to Seattle

Recent round-trip flight deals from Costa Rica to Seattle

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:05 pm - 10:01 amSJO-SEA
20h 56m2 stops
Multiple Airlines Logo
6:53 pm - 11:40 pmSEA-SJO
26h 47m3 stops
$404Multiple Airlines
Find Deal
Mon, Feb 2 - Sat, Feb 7
Delta Logo
8:26 am - 8:56 pmSJO-SEA
14h 30m1 stop
Delta Logo
6:00 am - 10:20 pmSEA-SJO
14h 20m1 stop
$411Delta
Find Deal
Sat, Nov 22 - Mon, Dec 8
Multiple Airlines Logo
3:05 pm - 11:03 amSJO-SEA
21h 58m2 stops
Multiple Airlines Logo
6:53 pm - 1:40 pmSEA-SJO
16h 47m2 stops
$412Multiple Airlines
Find Deal
Mon, Jan 26 - Sat, Jan 31
United Airlines Logo
7:30 am - 11:10 pmSJO-SEA
17h 40m1 stop
United Airlines Logo
11:59 pm - 8:39 pmSEA-SJO
18h 40m1 stop
$417United Airlines
Find Deal
Sun, Nov 16 - Wed, Nov 26
United Airlines Logo
12:35 pm - 10:52 pmSJO-SEA
12h 17m1 stop
United Airlines Logo
1:35 pm - 6:25 amSEA-SJO
14h 50m2 stops
$419United Airlines
Find Deal
Tue, Dec 23 - Mon, Jan 5
Alaska Airlines Logo
1:16 am - 3:44 pmSJO-SEA
16h 28m2 stops
Alaska Airlines Logo
9:45 pm - 12:01 amSEA-SJO
24h 16m2 stops
$445Alaska Airlines
Find Deal
Sun, Jan 25 - Sat, Jan 31
Alaska Airlines Logo
1:30 am - 6:55 pmSJO-SEA
19h 25m2 stops
Alaska Airlines Logo
7:50 pm - 12:01 amSEA-SJO
26h 11m2 stops
$465Alaska Airlines
Find Deal
Tue, Dec 9 - Sat, Jan 24
American Airlines Logo
6:22 am - 2:59 pmSJO-SEA
10h 37m1 stop
American Airlines Logo
12:31 am - 1:39 pmSEA-SJO
11h 08m2 stops
$466American Airlines
Find Deal
Sat, Nov 22 - Sat, Dec 6
American Airlines Logo
2:56 pm - 9:42 amSJO-SEA
20h 46m1 stop
American Airlines Logo
9:45 pm - 12:43 pmSEA-SJO
12h 58m2 stops
$474American Airlines
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Mon, Dec 8 - Wed, Jan 28
Avianca Logo
5:00 am - 10:30 pmSJO-SEA
19h 30m2 stops
Avianca Logo
9:00 am - 11:40 pmSEA-SJO
12h 40m2 stops
$493Avianca
Find Deal
Mon, Dec 8 - Wed, Jan 28

Delta flights from Costa Rica to Seattle

Our best Delta deals on Costa Rica to Seattle flight tickets
Delta
Nov 22
SJO8:26 amSan José Juan Santamaria Intl
14h 30m
1 stop
SEA8:56 pmSeattle/Tacoma Intl
Dec 8
SEA6:00 amSeattle/Tacoma Intl
14h 20m
1 stop
SJO10:20 pmSan José Juan Santamaria Intl
$411
Find similar
Delta
Nov 8
SJO2:15 pmSan José Juan Santamaria Intl
11h 39m
1 stop
SEA11:54 pmSeattle/Tacoma Intl
Nov 15
SEA6:00 amSeattle/Tacoma Intl
14h 07m
1 stop
SJO10:07 pmSan José Juan Santamaria Intl
$455
Find similar
Delta
Dec 8
SJO7:00 amSan José Juan Santamaria Intl
15h 50m
1 stop
SEA8:50 pmSeattle/Tacoma Intl
Jan 28
SEA6:15 amSeattle/Tacoma Intl
14h 00m
1 stop
SJO10:15 pmSan José Juan Santamaria Intl
$457
Find similar

United Airlines flights from Costa Rica to Seattle

Our best United Airlines deals on Costa Rica to Seattle flight tickets
United Airlines
Nov 16
SJO7:30 amSan José Juan Santamaria Intl
17h 40m
1 stop
SEA11:10 pmSeattle/Tacoma Intl
Nov 26
SEA11:59 pmSeattle/Tacoma Intl
18h 40m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
$417
Find similar
United Airlines
Dec 23
SJO12:35 pmSan José Juan Santamaria Intl
12h 17m
1 stop
SEA10:52 pmSeattle/Tacoma Intl
Jan 5
SEA1:35 pmSeattle/Tacoma Intl
14h 50m
2 stops
SJO6:25 amSan José Juan Santamaria Intl
$419
Find similar
United Airlines
Nov 22
SJO9:40 amSan José Juan Santamaria Intl
16h 04m
1 stop
SEA11:44 pmSeattle/Tacoma Intl
Dec 6
SEA11:59 pmSeattle/Tacoma Intl
18h 40m
1 stop
SJO8:39 pmSan José Juan Santamaria Intl
$420
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 2, 2025.
Use the filters below to find and compare flights from Costa Rica to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Mon 2/2

3:05 pm-10:01 am

2 stops20h 56m

Seattle/Tacoma Intl

Sat 2/7

6:53 pm-11:40 pm

3 stops26h 47m

$404

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Sat 11/22

8:26 am-8:56 pm

1 stop14h 30m

Seattle/Tacoma Intl

Mon 12/8

6:00 am-10:20 pm

1 stop14h 20m

$411

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Mon 1/26

3:05 pm-11:03 am

2 stops21h 58m

Seattle/Tacoma Intl

Sat 1/31

6:53 pm-1:40 pm

2 stops16h 47m

$412

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Sun 11/16

7:30 am-11:10 pm

1 stop17h 40m

Seattle/Tacoma Intl

Wed 11/26

11:59 pm-8:39 pm

1 stop18h 40m

$417

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Tue 12/23

12:35 pm-10:52 pm

1 stop12h 17m

Seattle/Tacoma Intl

Mon 1/5

1:35 pm-6:25 am

2 stops14h 50m

$419

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Sun 1/25

1:16 am-3:44 pm

2 stops16h 28m

Seattle/Tacoma Intl

Sat 1/31

9:45 pm-12:01 am

2 stops24h 16m

$445

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Tue 12/9

1:30 am-6:55 pm

2 stops19h 25m

Seattle/Tacoma Intl

Sat 1/24

7:50 pm-12:01 am

2 stops26h 11m

$465

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Sat 11/22

6:22 am-2:59 pm

1 stop10h 37m

Seattle/Tacoma Intl

Sat 12/6

12:31 am-1:39 pm

2 stops11h 08m

$466

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Mon 12/8

2:56 pm-9:42 am

1 stop20h 46m

Seattle/Tacoma Intl

Wed 1/28

9:45 pm-12:43 pm

2 stops12h 58m

$474

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

Mon 12/8

5:00 am-10:30 pm

2 stops19h 30m

Seattle/Tacoma Intl

Wed 1/28

9:00 am-11:40 pm

2 stops12h 40m

$493

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Costa Rica to Seattle

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

What is the cheapest month to fly to Seattle?

In general, October is the cheapest month to fly from Costa Rica to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $492. If you don’t want to visit Seattle in October, then you should wait until September to fly from Costa Rica, when ticket prices are also cheap, with an average price of $512.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Costa Rica is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $582. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Costa Rica because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $683.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Costa Rica at noon is the least expensive time of day to depart. momondo users have found prices as low as $619 when looking at flights departing at noon. Flights to Seattle are more costly in the evening, with an average ticket price of $680. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Costa Rica to Seattle/Tacoma Intl flight route?

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Costa Rica when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $565 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Costa Rica for as low as $445 on momondo.

What cabin class options are available on Costa Rica to Seattle/Tacoma Intl flights?

There are 3 cabin classes available to choose from on Costa Rica to Seattle/Tacoma Intl 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 Seattle flights?

You could potentially save up to 26% on your flight if you consider stops on a Costa Rica to Seattle flight.

Cheap Costa Rica to Seattle flight deals and tips

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

Fastest flight time

7h 46m

Direct flights

Mon

Airports in Seattle

1 airport
The fastest flight from Costa Rica to Seattle takes 7h 46m
Direct flights go from Costa Rica to Seattle on Monday. There are no airlines offering direct flights.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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  • When did momondo last update prices for flights from Costa Rica to Seattle/Tacoma Intl Airport?

    Prices for flights from Costa Rica to Seattle/Tacoma Intl Airport were last updated today.

  • How many operators does momondo search for flights from Costa Rica to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Costa Rica to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Costa Rica to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport 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 Seattle?

Best airlines flying from Costa Rica to Seattle

Compare and see reviews for airlines that fly from Costa Rica to Seattle with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $408Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights
United AirlinesPriceFrom $435Free CancellationRating
7.4
8,993 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $447Free CancellationRating
8.0
11,231 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Federal Way
Lakewood
Cle Elum
Fife
Centralia
Kirkland
Shoreline
Westport

Why use momondo?

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

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

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

Yes. momondo enables you to select and highlight flights to Seattle from Costa Rica with this policy.

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

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

Yes. momondo can track prices for Costa Rica to Seattle 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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