Find Cheap Flights from Costa Rica to Seattle/Tacoma Intl

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/Tacoma Intl

(Round-trip)
Depart: Fri Sep 15 2017 Return: Sat Sep 23 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SJO
12:15p
SEA
11:15p
11h 00m
1 stop
SEA
1:00a
SJO
10:14a
9h 14m
1 stop
Depart: Wed Aug 23 2017 Return: Mon Aug 28 2017 Trip spans 6 days
Major Airline
Major Airline
SJO
4:20a
SEA
5:55a
25h 35m
3 stops
SEA
10:50a
SJO
12:45a
13h 55m
3 stops
Depart: Fri Aug 18 2017 Return: Sun Aug 20 2017 Trip spans 3 days
American Airlines
American Airlines
SJO
8:38a
SEA
5:59a
21h 21m
2 stops
SEA
8:15p
SJO
8:42a
12h 27m
1 stop
Depart: Thu Jun 15 2017 Return: Wed Jun 21 2017 Trip spans 7 days
Air Canada
Air Canada
SJO
10:20a
SEA
5:32a
19h 12m
2 stops
SEA
6:05a
SJO
8:00a
25h 55m
2 stops
Depart: Thu Jun 22 2017 Return: Thu Jul 27 2017 Trip spans 36 days
United
United
SJO
10:05a
SEA
9:15p
11h 10m
1 stop
SEA
6:30p
SJO
8:00a
13h 30m
1 stop
Depart: Sat Jun 24 2017 Return: Tue Jul 25 2017 Trip spans 32 days
Copa Airlines
Copa Airlines
SJO
2:02a
SEA
7:34p
17h 32m
2 stops
SEA
1:27p
SJO
3:14a
13h 47m
2 stops
Depart: Sat Sep 16 2017 Return: Sun Sep 24 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SJO
12:15p
SEA
11:15p
11h 00m
1 stop
SEA
2:10a
SJO
10:14a
32h 04m
1 stop
Depart: Fri Aug 25 2017 Return: Mon Aug 28 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SJO
12:10p
SEA
11:12p
11h 02m
1 stop
SEA
1:00a
SJO
10:14a
9h 14m
1 stop
Depart: Fri Jun 16 2017 Return: Wed Jun 21 2017 Trip spans 6 days
American Airlines
American Airlines
SJO
10:35a
SEA
3:59p
29h 24m
1 stop
SEA
1:45p
SJO
1:02p
23h 17m
1 stop
Depart: Mon Sep 4 2017 Return: Sat Sep 30 2017 Trip spans 27 days
Alaska Airlines
Alaska Airlines
SJO
12:15p
SEA
6:44a
18h 29m
1 stop
SEA
1:00a
SJO
10:14a
9h 14m
1 stop
Depart: Thu Jul 6 2017 Return: Tue Jul 11 2017 Trip spans 6 days
American Airlines
American Airlines
SJO
10:35a
SEA
7:58p
33h 23m
1 stop
SEA
1:45p
SJO
1:02p
23h 17m
1 stop
Depart: Fri Jun 23 2017 Return: Mon Jul 24 2017 Trip spans 32 days
United
United
SJO
2:30a
SEA
9:57p
19h 27m
2 stops
SEA
1:32p
SJO
8:00a
18h 28m
2 stops
Depart: Wed Jul 12 2017 Return: Tue Jul 18 2017 Trip spans 7 days
American Airlines
American Airlines
SJO
10:35a
SEA
6:02p
31h 27m
1 stop
SEA
1:45p
SJO
1:02p
23h 17m
1 stop
Depart: Sun Jun 25 2017 Return: Mon Jul 24 2017 Trip spans 30 days
United
United
SJO
2:30a
SEA
4:40a
26h 10m
2 stops
SEA
1:32p
SJO
8:00a
18h 28m
2 stops
Depart: Wed Jun 14 2017 Return: Thu Jul 27 2017 Trip spans 44 days
Alaska Airlines
Alaska Airlines
SJO
12:10p
SEA
5:50a
17h 40m
1 stop
SEA
2:59p
SJO
10:10a
19h 11m
1 stop
Depart: Wed Jul 5 2017 Return: Wed Jul 12 2017 Trip spans 8 days
American Airlines
American Airlines
SJO
2:55a
SEA
5:04a
26h 09m
2 stops
SEA
1:45p
SJO
1:02p
23h 17m
1 stop
Depart: Mon Jun 26 2017 Return: Mon Jul 24 2017 Trip spans 29 days
United
United
SJO
10:05a
SEA
4:40a
18h 35m
2 stops
SEA
1:32p
SJO
8:00a
18h 28m
2 stops
Depart: Mon Jul 10 2017 Return: Fri Jul 21 2017 Trip spans 12 days
American Airlines
American Airlines
SJO
10:35a
SEA
7:58p
33h 23m
1 stop
SEA
1:59p
SJO
1:02p
23h 03m
2 stops
Depart: Tue Jun 27 2017 Return: Mon Jul 10 2017 Trip spans 14 days
United
United
SJO
8:40a
SEA
7:06a
22h 26m
1 stop
SEA
1:32p
SJO
8:00a
18h 28m
2 stops
Depart: Sat Jun 17 2017 Return: Fri Jul 21 2017 Trip spans 35 days
Alaska Airlines
Alaska Airlines
SJO
12:10p
SEA
11:10p
11h 00m
1 stop
SEA
5:55p
SJO
10:10a
16h 15m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

San Jose
$550
Destination

Seattle
$550