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: Fri Sep 22 2017 Return: Mon Sep 25 2017 Trip spans 4 days
Aeromexico
Aeromexico
SJO
12:00a
SEA
12:20a
24h 20m
2 stops
SEA
12:00a
SJO
12:05a
24h 05m
2 stops
Depart: Fri Sep 15 2017 Return: Mon Oct 23 2017 Trip spans 39 days
Multiple Airlines
Multiple Airlines
SJO
12:00a
SEA
2:37p
14h 37m
2 stops
SEA
12:00a
SJO
1:50a
25h 50m
2 stops
Depart: Mon Oct 9 2017 Return: Wed Oct 18 2017 Trip spans 10 days
Alaska Airlines
Alaska Airlines
SJO
12:00a
SEA
7:55p
19h 55m
1 stop
SEA
12:00a
SJO
9:10a
9h 10m
1 stop
Depart: Tue Oct 10 2017 Return: Sat Oct 21 2017 Trip spans 12 days
Avianca
Avianca
SJO
12:00a
SEA
9:10p
21h 10m
2 stops
SEA
12:00a
SJO
6:58p
18h 58m
2 stops
Depart: Mon Jan 15 2018 Return: Wed Jan 24 2018 Trip spans 10 days
Air Canada
Air Canada
SJO
12:00a
SEA
9:18a
33h 18m
2 stops
SEA
12:00a
SJO
9:50p
21h 50m
2 stops
Depart: Thu Jan 11 2018 Return: Wed Jan 17 2018 Trip spans 7 days
American Airlines
American Airlines
SJO
12:00a
SEA
2:19p
14h 19m
1 stop
SEA
12:00a
SJO
2:20p
14h 20m
1 stop
Depart: Sat Jan 13 2018 Return: Sun Jan 21 2018 Trip spans 9 days
United
United
SJO
12:00a
SEA
10:20a
10h 20m
1 stop
SEA
12:00a
SJO
9:15a
9h 15m
1 stop
Depart: Mon Dec 25 2017 Return: Wed Jan 3 2018 Trip spans 10 days
Delta
Delta
SJO
12:00a
SEA
6:45a
30h 45m
1 stop
SEA
12:00a
SJO
7:25p
19h 25m
1 stop
Depart: Wed Oct 11 2017 Return: Wed Oct 25 2017 Trip spans 15 days
Aeromexico
Aeromexico
SJO
12:00a
SEA
5:17a
29h 17m
2 stops
SEA
12:00a
SJO
1:50a
25h 50m
2 stops
Depart: Wed Oct 11 2017 Return: Wed Oct 18 2017 Trip spans 8 days
Aeromexico
Aeromexico
SJO
12:00a
SEA
10:50p
22h 50m
2 stops
SEA
12:00a
SJO
3:20a
27h 20m
2 stops
Depart: Mon Oct 9 2017 Return: Wed Oct 25 2017 Trip spans 17 days
Aeromexico
Aeromexico
SJO
12:00a
SEA
12:32p
36h 32m
2 stops
SEA
12:00a
SJO
9:13p
21h 13m
2 stops
Depart: Fri Oct 13 2017 Return: Tue Oct 24 2017 Trip spans 12 days
Alaska Airlines
Alaska Airlines
SJO
12:00a
SEA
11:05a
11h 05m
1 stop
SEA
12:00a
SJO
6:55p
18h 55m
1 stop
Depart: Tue Oct 10 2017 Return: Wed Oct 25 2017 Trip spans 16 days
Aeromexico
Aeromexico
SJO
12:00a
SEA
3:46a
27h 46m
2 stops
SEA
12:00a
SJO
9:13p
21h 13m
2 stops
Depart: Mon Oct 9 2017 Return: Fri Oct 27 2017 Trip spans 19 days
Alaska Airlines
Alaska Airlines
SJO
12:00a
SEA
7:55p
19h 55m
1 stop
SEA
12:00a
SJO
5:15p
17h 15m
1 stop
Depart: Tue Oct 10 2017 Return: Tue Oct 24 2017 Trip spans 15 days
Aeromexico
Aeromexico
SJO
12:00a
SEA
4:32a
28h 32m
2 stops
SEA
12:00a
SJO
1:40a
25h 40m
2 stops
Depart: Thu Oct 12 2017 Return: Sat Oct 21 2017 Trip spans 10 days
Avianca
Avianca
SJO
12:00a
SEA
1:32p
13h 32m
2 stops
SEA
12:00a
SJO
6:58p
18h 58m
2 stops
Depart: Thu Oct 12 2017 Return: Wed Oct 18 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
SJO
12:00a
SEA
7:12p
19h 12m
2 stops
SEA
12:00a
SJO
9:10a
9h 10m
1 stop
Depart: Fri Oct 13 2017 Return: Fri Oct 27 2017 Trip spans 15 days
Alaska Airlines
Alaska Airlines
SJO
12:00a
SEA
11:05a
11h 05m
1 stop
SEA
12:00a
SJO
5:15p
17h 15m
1 stop
Depart: Thu Oct 12 2017 Return: Wed Oct 25 2017 Trip spans 14 days
Aeromexico
Aeromexico
SJO
12:00a
SEA
10:04p
22h 04m
2 stops
SEA
12:00a
SJO
12:11a
24h 11m
2 stops
Depart: Tue Jan 16 2018 Return: Tue Jan 23 2018 Trip spans 8 days
Avianca
Avianca
SJO
12:00a
SEA
4:38p
16h 38m
2 stops
SEA
12:00a
SJO
6:15p
18h 15m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

San Jose
$410
Destination

Seattle
$410