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: Wed Sep 6 2017 Return: Thu Sep 14 2017 Trip spans 9 days
Major Airline
Major Airline
PDX
10:15p
SJO
1:50a
27h 35m
2 stops
SJO
10:08p
PDX
2:06p
15h 58m
2 stops
Depart: Thu Aug 24 2017 Return: Tue Aug 29 2017 Trip spans 6 days
Aeromexico
Aeromexico
PDX
2:00a
SJO
6:17p
16h 17m
2 stops
SJO
7:50a
PDX
11:00p
15h 10m
2 stops
Depart: Wed Nov 8 2017 Return: Thu Nov 16 2017 Trip spans 9 days
Delta
Delta
PDX
10:56a
LIR
12:40a
13h 44m
1 stop
LIR
3:50a
PDX
6:54p
15h 04m
1 stop
Depart: Fri Nov 24 2017 Return: Sun Dec 3 2017 Trip spans 10 days
United
United
PDX
6:30p
LIR
5:50a
11h 20m
1 stop
LIR
2:50a
PDX
5:15p
14h 25m
1 stop
Depart: Thu Oct 12 2017 Return: Sun Oct 22 2017 Trip spans 11 days
Alaska Airlines
Alaska Airlines
PDX
5:55p
LIR
10:17a
40h 22m
2 stops
LIR
12:20p
PDX
5:27a
17h 07m
1 stop
Depart: Sun Nov 26 2017 Return: Sat Dec 9 2017 Trip spans 14 days
American Airlines
American Airlines
PDX
5:15p
LIR
5:51a
36h 36m
2 stops
LIR
10:22a
PDX
7:51a
21h 29m
2 stops
Depart: Wed Jul 26 2017 Return: Sun Aug 6 2017 Trip spans 12 days
Copa Airlines
Copa Airlines
PDX
1:29p
LIR
8:19a
18h 50m
2 stops
LIR
10:07a
PDX
7:49a
21h 42m
2 stops
Depart: Sun Sep 17 2017 Return: Mon Sep 25 2017 Trip spans 9 days
Major Airline
Major Airline
PDX
3:20a
SJO
12:17a
20h 57m
1 stop
SJO
6:31a
PDX
12:40a
18h 09m
1 stop
Depart: Thu Aug 31 2017 Return: Sat Sep 9 2017 Trip spans 10 days
Aeromexico
Aeromexico
PDX
2:00a
SJO
6:17p
16h 17m
2 stops
SJO
2:08a
PDX
5:57p
15h 49m
2 stops
Depart: Fri Nov 10 2017 Return: Sat Nov 18 2017 Trip spans 9 days
Delta
Delta
PDX
7:26a
LIR
12:40a
17h 14m
1 stop
LIR
5:45a
PDX
6:54p
13h 09m
1 stop
Depart: Wed Sep 13 2017 Return: Tue Sep 26 2017 Trip spans 14 days
United
United
PDX
7:20a
LIR
6:30a
23h 10m
2 stops
LIR
8:30a
PDX
9:34p
13h 04m
2 stops
Depart: Tue Sep 26 2017 Return: Fri Oct 6 2017 Trip spans 11 days
Major Airline
Major Airline
PDX
12:00a
SJO
2:17p
14h 17m
1 stop
SJO
10:08p
PDX
7:07p
20h 59m
1 stop
Depart: Sat Sep 16 2017 Return: Sat Sep 23 2017 Trip spans 8 days
Aeromexico
Aeromexico
PDX
2:00a
SJO
6:17p
16h 17m
2 stops
SJO
2:08a
PDX
6:04p
15h 56m
2 stops
Depart: Wed Nov 29 2017 Return: Thu Dec 7 2017 Trip spans 9 days
Delta
Delta
PDX
1:46p
LIR
12:40a
10h 54m
1 stop
LIR
3:50a
PDX
6:54p
15h 04m
1 stop
Depart: Sat Oct 28 2017 Return: Wed Nov 8 2017 Trip spans 12 days
United
United
PDX
8:15a
LIR
6:30a
22h 15m
2 stops
LIR
8:35a
PDX
4:40a
20h 05m
2 stops
Depart: Tue Oct 10 2017 Return: Tue Oct 17 2017 Trip spans 8 days
Major Airline
Major Airline
PDX
10:10p
SJO
2:17p
16h 07m
1 stop
SJO
10:08p
PDX
2:06p
15h 58m
1 stop
Depart: Sat Jul 29 2017 Return: Tue Aug 29 2017 Trip spans 32 days
Aeromexico
Aeromexico
PDX
2:30a
SJO
5:50a
27h 20m
2 stops
SJO
7:50a
PDX
11:00p
15h 10m
2 stops
Depart: Mon Oct 30 2017 Return: Tue Nov 7 2017 Trip spans 9 days
Delta
Delta
PDX
7:20p
LIR
7:03a
11h 43m
2 stops
LIR
9:10a
PDX
9:52a
24h 42m
2 stops
Depart: Thu Nov 23 2017 Return: Fri Dec 1 2017 Trip spans 9 days
United
United
PDX
2:58a
LIR
5:30a
26h 32m
2 stops
LIR
8:35a
PDX
9:27a
24h 52m
2 stops
Depart: Tue Oct 17 2017 Return: Sun Oct 22 2017 Trip spans 6 days
Major Airline
Major Airline
PDX
1:30a
SJO
1:50a
24h 20m
2 stops
SJO
3:50a
PDX
11:07a
31h 17m
2 stops
* 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
$436
Destination

Liberia
$441
San Jose
$436