Find Cheap Flights from Costa Rica to Seattle

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Costa Rica to Seattle

(Round-trip)
Depart: Wed Jul 19 2017 Return: Sat Aug 5 2017 Trip spans 18 days
Delta
Delta
SJO
12:00a
SEA
2:25p
14h 25m
1 stop
SEA
12:00a
SJO
12:35p
12h 35m
1 stop
Depart: Wed Jul 19 2017 Return: Wed Aug 2 2017 Trip spans 15 days
United
United
SJO
12:00a
SEA
11:21a
11h 21m
1 stop
SEA
12:00a
SJO
12:05p
12h 05m
1 stop
Depart: Tue Jul 18 2017 Return: Fri Aug 4 2017 Trip spans 18 days
Major Airline
Major Airline
SJO
12:00a
SEA
10:04p
22h 04m
3 stops
SEA
12:00a
SJO
6:30p
18h 30m
3 stops
Depart: Fri Jul 14 2017 Return: Tue Aug 1 2017 Trip spans 19 days
Multiple Airlines
Multiple Airlines
SJO
12:00a
SEA
11:19a
11h 19m
1 stop
SEA
12:00a
SJO
11:57a
11h 57m
1 stop
Depart: Mon Jul 17 2017 Return: Sun Aug 6 2017 Trip spans 21 days
Alaska Airlines
Alaska Airlines
SJO
12:00a
SEA
6:17p
18h 17m
2 stops
SEA
12:00a
SJO
3:40p
15h 40m
2 stops
Depart: Thu Jul 20 2017 Return: Wed Aug 2 2017 Trip spans 14 days
United
United
SJO
12:00a
SEA
11:21a
11h 21m
1 stop
SEA
12:00a
SJO
12:05p
12h 05m
1 stop
Depart: Wed Jul 12 2017 Return: Tue Jul 18 2017 Trip spans 7 days
Delta
Delta
SJO
12:00a
SEA
3:37p
15h 37m
2 stops
SEA
12:00a
SJO
10:02a
10h 02m
1 stop
Depart: Sat Jul 15 2017 Return: Tue Aug 1 2017 Trip spans 18 days
Multiple Airlines
Multiple Airlines
SJO
12:00a
SEA
11:41a
11h 41m
1 stop
SEA
12:00a
SJO
4:47p
16h 47m
1 stop
Depart: Sat Jul 22 2017 Return: Sat Aug 5 2017 Trip spans 15 days
United
United
SJO
12:00a
SEA
11:21a
11h 21m
1 stop
SEA
12:00a
SJO
2:28p
14h 28m
1 stop
Depart: Sun Jul 16 2017 Return: Tue Aug 1 2017 Trip spans 17 days
Multiple Airlines
Multiple Airlines
SJO
12:00a
SEA
11:50a
11h 50m
1 stop
SEA
12:00a
SJO
10:02a
10h 02m
1 stop
Depart: Thu Jul 27 2017 Return: Mon Aug 14 2017 Trip spans 19 days
United
United
SJO
12:00a
SEA
6:56p
18h 56m
1 stop
SEA
12:00a
SJO
12:05p
12h 05m
1 stop
Depart: Fri Jul 14 2017 Return: Thu Aug 3 2017 Trip spans 21 days
Multiple Airlines
Multiple Airlines
SJO
12:00a
SEA
11:00a
11h 00m
1 stop
SEA
12:00a
SJO
11:57a
11h 57m
1 stop
Depart: Wed Jul 19 2017 Return: Thu Aug 3 2017 Trip spans 16 days
Delta
Delta
SJO
12:00a
SEA
10:45a
10h 45m
1 stop
SEA
12:00a
SJO
1:16p
13h 16m
1 stop
Depart: Wed Jul 19 2017 Return: Thu Aug 3 2017 Trip spans 16 days
United
United
SJO
12:00a
SEA
11:21a
11h 21m
1 stop
SEA
12:00a
SJO
12:35a
24h 35m
1 stop
Depart: Mon Jul 10 2017 Return: Sat Jul 22 2017 Trip spans 13 days
Multiple Airlines
Multiple Airlines
SJO
12:00a
SEA
6:39p
18h 39m
1 stop
SEA
12:00a
SJO
8:05p
20h 05m
2 stops
Depart: Tue Jul 18 2017 Return: Thu Aug 3 2017 Trip spans 17 days
Delta
Delta
SJO
12:00a
SEA
11:21a
11h 21m
1 stop
SEA
12:00a
SJO
11:57a
11h 57m
1 stop
Depart: Thu Jul 20 2017 Return: Thu Aug 3 2017 Trip spans 15 days
United
United
SJO
12:00a
SEA
11:21a
11h 21m
1 stop
SEA
12:00a
SJO
10:50p
22h 50m
1 stop
Depart: Fri Jun 30 2017 Return: Fri Jul 21 2017 Trip spans 22 days
$1172
Select
Alaska Airlines
Alaska Airlines
SJO
12:00a
SEA
11:00a
11h 00m
1 stop
SEA
12:00a
SJO
8:25p
20h 25m
1 stop
Depart: Sun Jul 16 2017 Return: Sat Aug 5 2017 Trip spans 21 days
Multiple Airlines
Multiple Airlines
SJO
12:00a
SEA
10:20a
10h 20m
1 stop
SEA
12:00a
SJO
11:57a
11h 57m
1 stop
Depart: Sat Jul 22 2017 Return: Thu Aug 3 2017 Trip spans 13 days
United
United
SJO
12:00a
SEA
12:46p
12h 46m
1 stop
SEA
12:00a
SJO
10:50p
22h 50m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

San Jose
$768
Destination

Seattle
$768