Find Cheap Flights from Portland 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 Portland to Costa Rica

(Round-trip)
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
PDX
3:59p
LIR
10:20a
18h 21m
1 stop
LIR
12:20p
PDX
11:07p
10h 47m
1 stop
Depart: Fri Nov 24 2017 Return: Thu Nov 30 2017 Trip spans 7 days
Aeromexico
Aeromexico
PDX
4:41a
SJO
4:25a
23h 44m
2 stops
SJO
1:05a
PDX
12:16p
35h 11m
2 stops
Depart: Wed Jan 17 2018 Return: Fri Feb 2 2018 Trip spans 17 days
United
United
PDX
12:10a
LIR
2:35p
14h 25m
1 stop
LIR
2:50a
PDX
6:10p
15h 20m
1 stop
Depart: Wed Nov 8 2017 Return: Sat Nov 18 2017 Trip spans 11 days
Delta
Delta
PDX
6:20a
LIR
12:20a
18h 00m
2 stops
LIR
5:40a
PDX
6:54p
13h 14m
1 stop
Depart: Tue Dec 5 2017 Return: Fri Dec 15 2017 Trip spans 11 days
American Airlines
American Airlines
PDX
10:35a
LIR
7:07a
20h 32m
2 stops
LIR
11:30a
PDX
5:44a
18h 14m
2 stops
Depart: Fri Sep 8 2017 Return: Wed Sep 13 2017 Trip spans 6 days
United
United
PDX
8:25a
LIR
6:35a
22h 10m
1 stop
LIR
8:35a
PDX
6:02p
9h 27m
1 stop
Depart: Sat Dec 9 2017 Return: Fri Dec 15 2017 Trip spans 7 days
American Airlines
American Airlines
PDX
10:35a
LIR
7:37a
21h 02m
2 stops
LIR
11:30a
PDX
5:44a
18h 14m
2 stops
Depart: Mon Sep 18 2017 Return: Thu Sep 28 2017 Trip spans 11 days
Aeromexico
Aeromexico
PDX
2:12a
SJO
5:50a
27h 38m
2 stops
SJO
7:50a
PDX
12:25p
28h 35m
2 stops
Depart: Sat Nov 11 2017 Return: Sat Nov 18 2017 Trip spans 8 days
Delta
Delta
PDX
7:00a
LIR
6:03a
23h 03m
2 stops
LIR
5:40a
PDX
6:54p
13h 14m
1 stop
Depart: Sun Sep 10 2017 Return: Wed Sep 13 2017 Trip spans 4 days
United
United
PDX
6:05a
LIR
6:35a
24h 30m
2 stops
LIR
8:35a
PDX
9:45p
13h 10m
2 stops
Depart: Tue Sep 19 2017 Return: Thu Sep 28 2017 Trip spans 10 days
Aeromexico
Aeromexico
PDX
8:35a
SJO
5:50a
21h 15m
2 stops
SJO
2:08a
PDX
6:38p
16h 30m
2 stops
Depart: Sat Nov 4 2017 Return: Thu Nov 9 2017 Trip spans 6 days
American Airlines
American Airlines
PDX
9:18a
LIR
8:37a
24h 19m
1 stop
LIR
10:00a
PDX
7:10a
21h 10m
2 stops
Depart: Tue Jan 9 2018 Return: Tue Feb 6 2018 Trip spans 29 days
Delta
Delta
PDX
1:00a
LIR
2:45p
13h 45m
2 stops
LIR
3:00a
PDX
6:27p
15h 27m
2 stops
Depart: Wed Oct 18 2017 Return: Sat Oct 28 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
PDX
1:00a
SJO
10:10a
9h 10m
1 stop
SJO
12:10p
PDX
11:07p
10h 57m
1 stop
Depart: Mon Oct 9 2017 Return: Tue Oct 17 2017 Trip spans 9 days
United
United
PDX
3:00a
LIR
6:35a
27h 35m
2 stops
LIR
8:35a
PDX
6:55a
22h 20m
2 stops
Depart: Wed Sep 20 2017 Return: Thu Sep 28 2017 Trip spans 9 days
Aeromexico
Aeromexico
PDX
8:35a
SJO
5:50a
21h 15m
2 stops
SJO
2:08a
PDX
6:38p
16h 30m
2 stops
Depart: Sun Dec 10 2017 Return: Thu Dec 21 2017 Trip spans 12 days
American Airlines
American Airlines
PDX
5:35p
LIR
7:07a
13h 32m
3 stops
LIR
11:30a
PDX
7:51a
20h 21m
1 stop
Depart: Thu Sep 7 2017 Return: Fri Sep 15 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
PDX
2:00p
SJO
10:14a
20h 14m
2 stops
SJO
12:15p
PDX
11:00p
10h 45m
1 stop
Depart: Tue Oct 24 2017 Return: Sat Nov 4 2017 Trip spans 12 days
United
United
PDX
8:25a
LIR
6:35a
22h 10m
1 stop
LIR
7:25a
PDX
6:13p
10h 48m
1 stop
Depart: Tue Feb 6 2018 Return: Thu Feb 15 2018 Trip spans 10 days
Aeromexico
Aeromexico
PDX
6:20p
SJO
4:25a
10h 05m
1 stop
SJO
7:30a
PDX
6:55p
11h 25m
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

Portland
$448
Destination

Liberia
$448
San Jose
$451