Find Deals on Flights from Seattle/Tacoma Intl to Costa Rica

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 Seattle/Tacoma Intl to Costa Rica

(Round-trip)
Depart: Mon Mar 6 2017 Return: Fri Mar 10 2017 Trip spans 5 days
American Airlines
American Airlines
SEA
5:35p
SJO
7:51a
14h 16m
1 stop
SJO
2:53a
SEA
7:56p
17h 03m
1 stop
Depart: Mon Apr 10 2017 Return: Tue May 9 2017 Trip spans 30 days
Alaska Airlines
Alaska Airlines
SEA
4:50p
LIR
10:08a
17h 18m
1 stop
LIR
12:10p
SEA
7:55a
19h 45m
1 stop
Depart: Wed May 10 2017 Return: Thu May 18 2017 Trip spans 9 days
Delta
Delta
SEA
1:00p
LIR
1:25a
12h 25m
1 stop
LIR
3:45a
SEA
2:20p
10h 35m
1 stop
Depart: Mon Mar 27 2017 Return: Mon Apr 3 2017 Trip spans 8 days
United
United
SEA
6:45a
LIR
6:30a
23h 45m
2 stops
LIR
2:50a
SEA
10:04a
31h 14m
2 stops
Depart: Sat Aug 19 2017 Return: Sat Sep 2 2017 Trip spans 15 days
Major Airline
Major Airline
SEA
10:30p
LIR
2:30a
28h 00m
3 stops
LIR
7:00a
SEA
10:00a
27h 00m
2 stops
Depart: Sat Feb 25 2017 Return: Sun Mar 5 2017 Trip spans 9 days
Avianca
Avianca
SEA
2:40p
SJO
9:05a
18h 25m
2 stops
SJO
12:40a
SEA
2:49p
14h 09m
2 stops
Depart: Mon Feb 27 2017 Return: Thu Mar 2 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
5:35p
SJO
7:51a
14h 16m
1 stop
SJO
2:50a
SEA
7:56p
17h 06m
1 stop
Depart: Wed Apr 26 2017 Return: Tue May 9 2017 Trip spans 14 days
Alaska Airlines
Alaska Airlines
SEA
2:55p
LIR
10:08a
19h 13m
1 stop
LIR
12:10p
SEA
7:55a
19h 45m
1 stop
Depart: Fri May 19 2017 Return: Thu May 25 2017 Trip spans 7 days
Delta
Delta
SEA
4:15p
LIR
1:25a
9h 10m
1 stop
LIR
3:45a
SEA
2:20p
10h 35m
1 stop
Depart: Sun Apr 16 2017 Return: Fri Apr 21 2017 Trip spans 6 days
United
United
SEA
6:41a
LIR
6:25a
23h 44m
2 stops
LIR
2:50a
SEA
10:12p
19h 22m
2 stops
Depart: Mon Apr 3 2017 Return: Thu Apr 6 2017 Trip spans 4 days
American Airlines
American Airlines
SEA
7:20p
LIR
6:55a
11h 35m
1 stop
LIR
10:50a
SEA
9:39p
10h 49m
1 stop
Depart: Fri May 12 2017 Return: Tue May 16 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
5:55p
LIR
10:08a
16h 13m
1 stop
LIR
12:10p
SEA
7:52a
19h 42m
1 stop
Depart: Tue Mar 21 2017 Return: Mon Mar 27 2017 Trip spans 7 days
Delta
Delta
SEA
2:20p
LIR
3:05p
24h 45m
2 stops
LIR
9:55a
SEA
2:33p
28h 38m
2 stops
Depart: Mon Apr 17 2017 Return: Sat Apr 22 2017 Trip spans 6 days
United
United
SEA
10:10a
LIR
3:00p
28h 50m
1 stop
LIR
10:15a
SEA
3:37p
29h 22m
1 stop
Depart: Sun Mar 19 2017 Return: Mon Mar 27 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
2:26p
LIR
3:59a
13h 33m
2 stops
LIR
5:55a
SEA
4:58p
35h 03m
2 stops
Depart: Mon May 15 2017 Return: Thu May 18 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
2:30p
LIR
10:08a
19h 38m
1 stop
LIR
12:10p
SEA
11:13p
11h 03m
1 stop
Depart: Wed Mar 22 2017 Return: Mon Mar 27 2017 Trip spans 6 days
American Airlines
American Airlines
SEA
9:42a
LIR
8:55a
23h 13m
1 stop
LIR
10:50a
SEA
9:48p
10h 58m
1 stop
Depart: Tue May 9 2017 Return: Thu May 18 2017 Trip spans 10 days
Delta
Delta
SEA
2:30a
LIR
7:03a
28h 33m
2 stops
LIR
3:45a
SEA
8:20p
16h 35m
1 stop
Depart: Wed Mar 29 2017 Return: Thu Apr 6 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
8:16a
LIR
8:55a
24h 39m
1 stop
LIR
10:50a
SEA
9:39p
10h 49m
1 stop
Depart: Mon Mar 20 2017 Return: Tue Mar 28 2017 Trip spans 9 days
Delta
Delta
SEA
10:02a
LIR
1:00a
14h 58m
1 stop
LIR
3:12a
SEA
3:59p
12h 47m
1 stop
* 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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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

Seattle
$301
Destination

Liberia
$395
San Jose
$301