Find Cheap Flights from Seattle 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 to Costa Rica

(Round-trip)
Depart: Sat Nov 4 2017 Return: Sat Nov 11 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
6:45p
LIR
6:51a
13h 06m
1 stop
LIR
11:30a
SEA
6:14a
18h 44m
1 stop
Depart: Wed Sep 20 2017 Return: Thu Sep 28 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
SEA
3:15p
LIR
10:20a
19h 05m
1 stop
LIR
12:20p
SEA
11:15p
10h 55m
1 stop
Depart: Thu Sep 7 2017 Return: Fri Sep 15 2017 Trip spans 9 days
Major Airline
Major Airline
SEA
10:30p
SJO
2:17p
15h 47m
2 stops
SJO
10:08p
SEA
2:40p
16h 32m
2 stops
Depart: Thu Jun 29 2017 Return: Sun Jul 9 2017 Trip spans 11 days
Hahn Air Systems
Hahn Air Systems
SEA
6:30p
SJO
5:49a
11h 19m
1 stop
SJO
8:04a
SEA
7:15p
11h 11m
1 stop
Depart: Wed Aug 9 2017 Return: Thu Aug 31 2017 Trip spans 23 days
Delta
Delta
SEA
11:25a
LIR
1:39a
14h 14m
1 stop
LIR
3:45a
SEA
3:40p
11h 55m
1 stop
Depart: Wed Nov 1 2017 Return: Fri Nov 10 2017 Trip spans 10 days
Avianca
Avianca
SEA
2:15p
SJO
4:58a
14h 43m
2 stops
SJO
12:00p
SEA
8:10a
20h 10m
2 stops
Depart: Thu Jun 15 2017 Return: Fri Jun 23 2017 Trip spans 9 days
United
United
SEA
10:06a
LIR
3:00p
28h 54m
2 stops
LIR
2:50a
SEA
9:57p
19h 07m
2 stops
Depart: Wed Jun 28 2017 Return: Tue Jul 18 2017 Trip spans 21 days
Aeromexico
Aeromexico
SEA
3:22a
SJO
5:50a
26h 28m
2 stops
SJO
2:08a
SEA
11:12p
21h 04m
2 stops
Depart: Sat Sep 16 2017 Return: Wed Sep 27 2017 Trip spans 12 days
American Airlines
American Airlines
SEA
1:00p
LIR
6:53a
17h 53m
2 stops
LIR
8:44a
SEA
9:02a
24h 18m
2 stops
Depart: Thu Sep 21 2017 Return: Thu Sep 28 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
SEA
1:00a
LIR
10:20a
9h 20m
1 stop
LIR
12:20p
SEA
11:15p
10h 55m
1 stop
Depart: Thu Oct 5 2017 Return: Sat Oct 14 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
10:30p
SJO
2:17p
15h 47m
2 stops
SJO
3:50a
SEA
7:15p
15h 25m
2 stops
Depart: Sat Sep 23 2017 Return: Sat Sep 30 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
1:00p
LIR
6:53a
17h 53m
2 stops
LIR
8:44a
SEA
9:02a
24h 18m
2 stops
Depart: Fri Sep 22 2017 Return: Thu Sep 28 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
5:25p
LIR
10:20a
16h 55m
1 stop
LIR
12:20p
SEA
11:15p
10h 55m
1 stop
Depart: Mon Oct 9 2017 Return: Wed Oct 18 2017 Trip spans 10 days
Major Airline
Major Airline
SEA
10:00p
SJO
2:17p
16h 17m
2 stops
SJO
10:08p
SEA
2:39p
16h 31m
2 stops
Depart: Tue Sep 26 2017 Return: Mon Oct 2 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
1:00p
LIR
6:53a
17h 53m
2 stops
LIR
8:44a
SEA
7:27p
34h 43m
2 stops
Depart: Sun Jul 9 2017 Return: Sun Jul 16 2017 Trip spans 8 days
Hahn Air Systems
Hahn Air Systems
SEA
7:30p
SJO
5:49a
10h 19m
1 stop
SJO
8:04a
SEA
7:15p
11h 11m
1 stop
Depart: Sun Sep 24 2017 Return: Thu Sep 28 2017 Trip spans 5 days
Alaska Airlines
Alaska Airlines
SEA
1:00a
LIR
10:20a
9h 20m
1 stop
LIR
12:20p
SEA
11:15p
10h 55m
1 stop
Depart: Fri Jun 16 2017 Return: Fri Jun 23 2017 Trip spans 8 days
United
United
SEA
11:59a
LIR
4:50a
16h 51m
2 stops
LIR
2:50a
SEA
9:57p
19h 07m
2 stops
Depart: Wed Nov 15 2017 Return: Thu Nov 23 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
6:49a
LIR
7:53a
25h 04m
2 stops
LIR
8:44a
SEA
8:07p
11h 23m
1 stop
Depart: Mon Sep 25 2017 Return: Thu Sep 28 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
SEA
3:15p
LIR
10:20a
19h 05m
1 stop
LIR
12:20p
SEA
11:15p
10h 55m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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
$517
Destination

Liberia
$517
San Jose
$538