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Cheap flights from Seattle to Costa Rica from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Costa Rica departing on 12/5. 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 Seattle to Costa Rica

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Costa Rica that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Costa Rica.

Cheap last minute flights

Planning a quick getaway from Seattle to Costa Rica? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Costa Rica, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Costa Rica

Find recent round-trip train or bus tickets from Seattle to Costa Rica.

All round-trip flight deals to Costa Rica

The cheapest plane tickets to Costa Rica found on KAYAK recently.
3:02 pm - 10:17 amSEA-SJO
17h 15m2 stops
11:15 am - 7:59 pmSJO-SEA
33h 44m2 stops
Thu, Mar 6 - Mon, Mar 10
10:13 am - 12:59 amSEA-SJO
36h 46m3 stops
1:57 am - 12:14 amSJO-SEA
24h 17m3 stops
$409Spirit Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 29
11:59 am - 7:09 amSEA-LIR
17h 10m1 stop
6:40 pm - 11:59 amLIR-SEA
19h 19m1 stop
$458Alaska Airlines
Find Deal
Tue, Jan 21 - Tue, Jan 28
7:42 am - 7:09 amSEA-LIR
21h 27m2 stops
6:40 pm - 12:51 pmLIR-SEA
20h 11m2 stops
$463Alaska Airlines
Find Deal
Tue, Jan 21 - Fri, Jan 31
5:00 pm - 11:20 pmSEA-SJO
28h 20m1 stop
3:35 pm - 9:35 amSJO-SEA
20h 00m2 stops
$473American Airlines
Find Deal
Sat, Dec 7 - Wed, Dec 11
10:17 pm - 1:47 pmSEA-SJO
13h 30m1 stop
1:11 pm - 11:26 pmSJO-SEA
12h 15m1 stop
$526American Airlines
Find Deal
Tue, Feb 4 - Wed, Feb 12
6:25 am - 11:58 pmSEA-SJO
15h 33m2 stops
8:45 am - 10:50 pmSJO-SEA
16h 05m1 stop
$586United Airlines
Find Deal
Thu, Dec 5 - Thu, Dec 12
11:57 pm - 12:08 pmSEA-LIR
11h 11m1 stop
3:27 pm - 2:36 pmLIR-SEA
24h 09m1 stop
$587United Airlines
Find Deal
Sun, Mar 23 - Wed, Apr 2
11:15 pm - 1:20 pmSEA-LIR
13h 05m1 stop
1:06 pm - 11:59 pmLIR-SEA
11h 53m1 stop
$693Delta
Find Deal
Mon, Mar 24 - Wed, Apr 2
12:40 am - 11:51 amSEA-LIR
10h 11m1 stop
1:06 pm - 11:59 pmLIR-SEA
11h 53m1 stop
$854Delta
Find Deal
Sun, Mar 23 - Tue, Apr 1
12:29 pm - 11:28 amSEA-SJO
44h 59m3 stops
Thu, Dec 5
12:29 pm - 11:28 amSEA-SJO
44h 59m3 stops
Thu, Dec 5
6:55 am - 7:09 amSEA-LIR
22h 14m2 stops
$213Alaska Airlines
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Wed, Feb 5
6:42 am - 7:09 amSEA-LIR
22h 27m2 stops
$220Alaska Airlines
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Mon, Jan 13
12:45 am - 11:09 pmSEA-SJO
20h 24m1 stop
$262American Airlines
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Thu, Jan 30
11:59 pm - 1:55 pmSEA-LIR
11h 56m2 stops
$271American Airlines
Find Deal
Sun, Feb 16
11:55 pm - 12:56 pmSEA-SJO
11h 01m1 stop
$275United Airlines
Find Deal
Fri, Dec 6
11:55 pm - 12:56 pmSEA-SJO
11h 01m1 stop
$279United Airlines
Find Deal
Fri, Dec 6
6:25 pm - 6:57 amSEA-SJO
10h 32m1 stop
$374Delta
Find Deal
Wed, Dec 4
6:25 pm - 6:57 amSEA-SJO
10h 32m1 stop
$424Delta
Find Deal
Tue, Dec 3
6:31 am - 10:55 pmSEA-SJO
14h 24m2 stops
1:33 am - 9:00 amSJO-SEA
33h 27m1 stop
Sun, Nov 24 - Mon, Nov 25
5:28 pm - 12:26 pmSEA-SJO
16h 58m2 stops
1:24 am - 2:50 pmSJO-SEA
15h 26m1 stop
Tue, Nov 26 - Mon, Dec 2
6:00 am - 9:53 pmSEA-SJO
13h 53m1 stop
8:30 am - 7:57 pmSJO-SEA
13h 27m1 stop
$736Delta
Find Deal
Sun, Nov 24 - Wed, Dec 4
1:16 am - 2:19 pmSEA-LIR
11h 03m1 stop
1:50 pm - 11:28 pmLIR-SEA
11h 38m1 stop
$742American Airlines
Find Deal
Sun, Nov 24 - Fri, Dec 6
11:06 pm - 2:00 pmSEA-LIR
12h 54m2 stops
1:50 pm - 11:28 pmLIR-SEA
11h 38m1 stop
$747American Airlines
Find Deal
Mon, Nov 25 - Fri, Dec 6
7:00 am - 11:59 pmSEA-SJO
14h 59m1 stop
1:24 am - 2:53 pmSJO-SEA
15h 29m2 stops
$789Alaska Airlines
Find Deal
Tue, Nov 26 - Wed, Dec 4
12:47 pm - 11:25 amSEA-SJO
20h 38m2 stops
8:45 am - 10:50 pmSJO-SEA
16h 05m1 stop
$826United Airlines
Find Deal
Sun, Nov 24 - Fri, Dec 6
5:00 am - 8:39 pmSEA-SJO
13h 39m2 stops
8:45 am - 10:30 pmSJO-SEA
15h 45m2 stops
$831United Airlines
Find Deal
Sun, Nov 24 - Fri, Dec 6
8:00 am - 11:59 pmSEA-SJO
13h 59m1 stop
1:24 am - 4:27 pmSJO-SEA
17h 03m1 stop
$923Alaska Airlines
Find Deal
Tue, Nov 26 - Mon, Dec 2
6:00 am - 9:53 pmSEA-SJO
13h 53m1 stop
8:30 am - 12:25 amSJO-SEA
17h 55m1 stop
$1,056Delta
Find Deal
Sun, Nov 24 - Mon, Dec 2
10:43 pm - 7:38 amSEA-LIR
6h 55mnonstop
9:00 am - 2:59 pmLIR-SEA
7h 59mnonstop
$583Alaska Airlines
Find Deal
Fri, Jan 3 - Sun, Jan 19
8:00 am - 4:58 pmSEA-LIR
6h 58mnonstop
10:00 am - 5:15 pmLIR-SEA
8h 15mnonstop
$877Alaska Airlines
Find Deal
Sat, Jan 11 - Sun, Apr 6
8:15 am - 4:15 pmSEA-LIR
7h 00mnonstop
10:00 am - 5:15 pmLIR-SEA
8h 15mnonstop
$1,684Alaska Airlines
Find Deal
Sat, Mar 22 - Sun, Mar 30
10:43 pm - 7:38 amSEA-LIR
6h 55mnonstop
10:00 am - 4:15 pmLIR-SEA
8h 15mnonstop
$1,859Alaska Airlines
Find Deal
Fri, Dec 20 - Sat, Dec 28
9:15 am - 6:13 pmSEA-LIR
6h 58mnonstop
9:00 am - 2:50 pmLIR-SEA
7h 50mnonstop
$2,584Alaska Airlines
Find Deal
Sat, Feb 15 - Sun, Feb 23

Spirit Airlines flights from Seattle to Costa Rica

Our best Spirit Airlines deals on Seattle to Costa Rica flight tickets
Spirit Airlines
Jan 15
SEA10:13 amSeattle/Tacoma Intl
36h 46m
3 stops
SJO12:59 amSan José Juan Santamaria Intl
Jan 29
SJO1:57 amSan José Juan Santamaria Intl
24h 17m
3 stops
SEA12:14 amSeattle/Tacoma Intl
Spirit Airlines
Jan 14
SEA10:13 amSeattle/Tacoma Intl
36h 46m
3 stops
SJO12:59 amSan José Juan Santamaria Intl
Jan 28
SJO1:31 pmSan José Juan Santamaria Intl
29h 29m
3 stops
SEA5:00 pmSeattle/Tacoma Intl
Spirit Airlines
Jan 22
SEA10:13 amSeattle/Tacoma Intl
36h 46m
3 stops
SJO12:59 amSan José Juan Santamaria Intl
Jan 29
SJO1:31 pmSan José Juan Santamaria Intl
29h 29m
3 stops
SEA5:00 pmSeattle/Tacoma Intl

Avianca flights from Seattle to Costa Rica

Our best Avianca deals on Seattle to Costa Rica flight tickets
Avianca
Jan 11
SEA8:00 amSeattle/Tacoma Intl
17h 45m
1 stop
SJO3:45 amSan José Juan Santamaria Intl
Jan 15
SJO5:45 amSan José Juan Santamaria Intl
18h 45m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Avianca
Jan 29
SEA6:10 amSeattle/Tacoma Intl
14h 45m
2 stops
SJO10:55 pmSan José Juan Santamaria Intl
Feb 12
SJO6:10 amSan José Juan Santamaria Intl
18h 20m
2 stops
SEA10:30 pmSeattle/Tacoma Intl
Avianca
Jan 23
SEA8:00 amSeattle/Tacoma Intl
17h 45m
1 stop
SJO3:45 amSan José Juan Santamaria Intl
Jan 30
SJO5:00 pmSan José Juan Santamaria Intl
29h 31m
1 stop
SEA8:31 pmSeattle/Tacoma Intl

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Seattle 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

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Tuesday is the cheapest day to fly to Costa Rica from Seattle. The lowest ticket price found for a Tuesday departure recently was $580. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $782. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

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

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

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

There are 2 cabin classes available to choose from on Seattle/Tacoma Intl 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 Seattle to Costa Rica flights?

You could potentially save up to 44% on your flight if you consider stops on a Seattle to Costa Rica flight.

Cheap Seattle to Costa Rica flight deals and tips

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

Best Price Found

$158

Fastest flight time

6h 55m

Direct flights

Sat and Sun

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from Seattle in the past 72 hours is $158. The best round-trip flight deal from Seattle to Costa Rica found on momondo in the last 72 hours is $377.
The fastest flight from Seattle to Costa Rica takes 6h 55m
Direct flights go from Seattle to Costa Rica on Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Costa Rica?

    Prices for flights from Seattle/Tacoma Intl Airport to Costa Rica refresh daily.

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

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

    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 Seattle/Tacoma Intl Airport 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 Seattle to Costa Rica?


Best airlines flying from Seattle to Costa Rica

Compare and see reviews for airlines that fly from Seattle to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $255Free CancellationRating
6.3
8,169 reviews
Search Spirit Airlines flights
AviancaPriceFrom $307Free CancellationRating
7.0
2,794 reviews
Search Avianca flights
DeltaPriceFrom $402Free CancellationRating
8.0
8,755 reviews
Search Delta flights
Alaska AirlinesPriceFrom $414Free CancellationRating
8.0
9,464 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $421Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $472Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
SouthwestPriceFrom $520Free CancellationRating
8.1
5,005 reviews
Search Southwest flights
Copa AirlinesPriceFrom $538Free CancellationRating
7.7
1,779 reviews
Search Copa Airlines flights
AeromexicoPriceFrom $714Free CancellationRating
7.5
2,004 reviews
Search Aeromexico flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Costa Rica for you.

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

All flight searches from Seattle to Costa Rica on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seattle to Costa Rica flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Seattle to Costa Rica now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Costa Rica and let you know when they change.


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