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Cheap flights from Costa Rica to Seattle from $175

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 11/7. 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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Find the cheapest flights from Costa Rica to Seattle

Recent round-trip flight deals from Costa Rica to Seattle

United Airlines Logo
8:37 am - 9:15 pmSJO-SEA
13h 38m1 stop
United Airlines Logo
11:10 pm - 12:26 pmSEA-SJO
12h 16m1 stop
$332United Airlines
Find Deal
mié., oct. 8 - mié., oct. 15
United Airlines Logo
1:30 pm - 11:15 pmSJO-SEA
10h 45m1 stop
United Airlines Logo
11:10 pm - 7:37 pmSEA-SJO
19h 27m1 stop
$341United Airlines
Find Deal
mar., oct. 7 - mié., oct. 15
United Airlines Logo
8:37 am - 11:15 pmSJO-SEA
15h 38m1 stop
United Airlines Logo
5:31 pm - 7:37 pmSEA-SJO
25h 06m2 stops
$346United Airlines
Find Deal
mar., oct. 7 - mié., oct. 15
American Airlines Logo
3:08 pm - 11:42 pmLIR-SEA
10h 34m1 stop
American Airlines Logo
10:08 pm - 2:13 pmSEA-LIR
14h 05m1 stop
$359American Airlines
Find Deal
lun., nov. 3 - jue., nov. 13
Alaska Airlines Logo
1:11 am - 4:56 pmSJO-SEA
16h 45m1 stop
Alaska Airlines Logo
9:15 pm - 12:38 amSEA-SJO
25h 23m1 stop
$362Alaska Airlines
Find Deal
mié., oct. 29 - jue., nov. 6
American Airlines Logo
3:13 pm - 10:44 amLIR-SEA
21h 31m2 stops
American Airlines Logo
10:08 pm - 12:18 pmSEA-LIR
12h 10m1 stop
$364American Airlines
Find Deal
lun., nov. 3 - jue., nov. 13
Alaska Airlines Logo
1:11 am - 6:48 pmSJO-SEA
18h 37m2 stops
Alaska Airlines Logo
9:15 pm - 12:38 amSEA-SJO
25h 23m1 stop
$366Alaska Airlines
Find Deal
mié., oct. 29 - jue., nov. 6
Logo
1:30 am - 10:59 pmSJO-SEA
23h 29m1 stop
Logo
9:35 am - 3:35 amSEA-SJO
16h 00m1 stop
$390
Find Deal
vie., nov. 21 - lun., dic. 1
Logo
1:30 am - 10:59 pmSJO-SEA
23h 29m1 stop
Logo
10:24 pm - 3:35 amSEA-SJO
27h 11m1 stop
$395
Find Deal
vie., nov. 21 - lun., dic. 1
Delta Logo
2:15 pm - 11:54 pmSJO-SEA
11h 39m1 stop
Delta Logo
6:00 am - 10:15 pmSEA-SJO
14h 15m1 stop
$436Delta
Find Deal
lun., nov. 3 - mié., ene. 28

United Airlines flights from Costa Rica to Seattle

Our best United Airlines deals on Costa Rica to Seattle flight tickets
United Airlines
Oct 8
SJO8:37 amSan José Juan Santamaria Intl
13h 38m
1 stop
SEA9:15 pmSeattle/Tacoma Intl
Oct 15
SEA11:10 pmSeattle/Tacoma Intl
12h 16m
1 stop
SJO12:26 pmSan José Juan Santamaria Intl
$332
Find similar
United Airlines
Oct 7
SJO1:30 pmSan José Juan Santamaria Intl
10h 45m
1 stop
SEA11:15 pmSeattle/Tacoma Intl
Oct 15
SEA11:10 pmSeattle/Tacoma Intl
19h 27m
1 stop
SJO7:37 pmSan José Juan Santamaria Intl
$341
Find similar
United Airlines
Oct 7
SJO8:37 amSan José Juan Santamaria Intl
15h 38m
1 stop
SEA11:15 pmSeattle/Tacoma Intl
Oct 15
SEA5:31 pmSeattle/Tacoma Intl
25h 06m
2 stops
SJO7:37 pmSan José Juan Santamaria Intl
$346
Find similar

Alaska Airlines flights from Costa Rica to Seattle

Our best Alaska Airlines deals on Costa Rica to Seattle flight tickets
Alaska Airlines
Oct 29
SJO1:11 amSan José Juan Santamaria Intl
16h 45m
1 stop
SEA4:56 pmSeattle/Tacoma Intl
Nov 6
SEA9:15 pmSeattle/Tacoma Intl
25h 23m
1 stop
SJO12:38 amSan José Juan Santamaria Intl
$362
Find similar
Alaska Airlines
Oct 29
SJO1:11 amSan José Juan Santamaria Intl
18h 37m
2 stops
SEA6:48 pmSeattle/Tacoma Intl
Nov 6
SEA9:15 pmSeattle/Tacoma Intl
25h 23m
1 stop
SJO12:38 amSan José Juan Santamaria Intl
$366
Find similar
Alaska Airlines
Nov 9
SJO1:55 amSan José Juan Santamaria Intl
18h 53m
2 stops
SEA6:48 pmSeattle/Tacoma Intl
Nov 15
SEA11:10 pmSeattle/Tacoma Intl
23h 28m
2 stops
SJO12:38 amSan José Juan Santamaria Intl
$382
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 septiembre 9, 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

mié. 10/8

8:37 am-9:15 pm

1 stop13h 38m

Seattle/Tacoma Intl

mié. 10/15

11:10 pm-12:26 pm

1 stop12h 16m

$332

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mar. 10/7

1:30 pm-11:15 pm

1 stop10h 45m

Seattle/Tacoma Intl

mié. 10/15

11:10 pm-7:37 pm

1 stop19h 27m

$341

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mar. 10/7

8:37 am-11:15 pm

1 stop15h 38m

Seattle/Tacoma Intl

mié. 10/15

5:31 pm-7:37 pm

2 stops25h 06m

$346

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

lun. 11/3

3:08 pm-11:42 pm

1 stop10h 34m

Seattle/Tacoma Intl

jue. 11/13

10:08 pm-2:13 pm

1 stop14h 05m

$359

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mié. 10/29

1:11 am-4:56 pm

1 stop16h 45m

Seattle/Tacoma Intl

jue. 11/6

9:15 pm-12:38 am

1 stop25h 23m

$362

LiberiaSeattle

LIR - SEA

LIRSEA

Liberia

lun. 11/3

3:13 pm-10:44 am

2 stops21h 31m

Seattle/Tacoma Intl

jue. 11/13

10:08 pm-12:18 pm

1 stop12h 10m

$364

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

mié. 10/29

1:11 am-6:48 pm

2 stops18h 37m

Seattle/Tacoma Intl

jue. 11/6

9:15 pm-12:38 am

1 stop25h 23m

$366

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 11/21

1:30 am-10:59 pm

1 stop23h 29m

Seattle/Tacoma Intl

lun. 12/1

9:35 am-3:35 am

1 stop16h 00m

$390

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

vie. 11/21

1:30 am-10:59 pm

1 stop23h 29m

Seattle/Tacoma Intl

lun. 12/1

10:24 pm-3:35 am

1 stop27h 11m

$395

San JoséSeattle

SJO - SEA

SJOSEA

San José Juan Santamaria Intl

lun. 11/3

2:15 pm-11:54 pm

1 stop11h 39m

Seattle/Tacoma Intl

mié. 1/28

6:00 am-10:15 pm

1 stop14h 15m

$436

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 $513. If you don’t want to visit Seattle in October, then you should wait until February to fly from Costa Rica, when ticket prices are also cheap, with an average price of $522.

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 $573 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 $466 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 33% 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 50m

Direct flights

Mon

Airports in Seattle

1 airport
The fastest flight from Costa Rica to Seattle takes 7h 50m
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)
Search flight deals

  • 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 $429Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $445Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $447Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near Seattle?

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