Find Cheap Flights from Chicago O'Hare International 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 Chicago O'Hare International to Costa Rica

(Round-trip)
Depart: Fri Aug 18 2017 Return: Sat Sep 2 2017 Trip spans 16 days
Spirit Airlines
Spirit Airlines
ORD
1:15a
SJO
8:35a
7h 20m
1 stop
SJO
8:35a
ORD
6:56p
10h 21m
1 stop
Depart: Mon Oct 9 2017 Return: Tue Oct 17 2017 Trip spans 9 days
Aeromexico
Aeromexico
ORD
9:55p
SJO
7:50a
33h 55m
2 stops
SJO
7:50a
ORD
7:25p
35h 35m
2 stops
Depart: Mon Sep 4 2017 Return: Sat Sep 16 2017 Trip spans 13 days
Major Airline
Major Airline
ORD
3:21a
SJO
3:31p
12h 10m
2 stops
SJO
6:15a
ORD
3:15p
9h 00m
1 stop
Depart: Thu Sep 21 2017 Return: Sat Sep 30 2017 Trip spans 10 days
Interjet
Interjet
ORD
8:40p
SJO
8:30a
11h 50m
1 stop
SJO
2:30a
ORD
6:40p
16h 10m
1 stop
Depart: Tue Oct 3 2017 Return: Tue Oct 10 2017 Trip spans 8 days
JetBlue
JetBlue
ORD
2:45a
SJO
8:30a
29h 45m
1 stop
SJO
8:31a
ORD
5:54p
9h 23m
1 stop
Depart: Wed Dec 6 2017 Return: Wed Dec 27 2017 Trip spans 22 days
Copa Airlines
Copa Airlines
ORD
2:45a
SJO
5:31p
14h 46m
1 stop
SJO
11:23p
ORD
7:07a
7h 44m
1 stop
Depart: Thu Oct 19 2017 Return: Sat Nov 18 2017 Trip spans 31 days
Avianca
Avianca
ORD
11:35a
SJO
6:30p
6h 55m
1 stop
SJO
12:40a
ORD
7:40a
7h 00m
1 stop
Depart: Sat Aug 5 2017 Return: Tue Aug 8 2017 Trip spans 4 days
American Airlines
American Airlines
ORD
3:05p
SJO
6:45a
15h 40m
1 stop
SJO
10:35a
ORD
3:57a
17h 22m
1 stop
Depart: Fri Jul 7 2017 Return: Tue Jul 11 2017 Trip spans 5 days
United
United
ORD
5:20p
SJO
7:30a
14h 10m
1 stop
SJO
7:30a
ORD
1:51a
18h 21m
1 stop
Depart: Sun Aug 20 2017 Return: Fri Sep 1 2017 Trip spans 13 days
Spirit Airlines
Spirit Airlines
ORD
1:15a
SJO
8:35a
7h 20m
1 stop
SJO
8:35a
ORD
6:56p
10h 21m
1 stop
Depart: Fri Oct 20 2017 Return: Mon Oct 23 2017 Trip spans 4 days
Delta
Delta
ORD
2:00a
LIR
9:03a
7h 03m
1 stop
LIR
9:10a
ORD
5:13p
8h 03m
1 stop
Depart: Mon Nov 13 2017 Return: Tue Nov 21 2017 Trip spans 9 days
Aeromexico
Aeromexico
ORD
2:00a
SJO
6:50a
28h 50m
1 stop
SJO
7:50a
ORD
12:10a
16h 20m
1 stop
Depart: Mon Aug 21 2017 Return: Sat Sep 2 2017 Trip spans 13 days
Spirit Airlines
Spirit Airlines
ORD
1:15a
SJO
8:35a
7h 20m
1 stop
SJO
8:35a
ORD
3:58p
7h 23m
1 stop
Depart: Thu Oct 5 2017 Return: Mon Oct 9 2017 Trip spans 5 days
Major Airline
Major Airline
ORD
3:00a
SJO
4:17p
13h 17m
2 stops
SJO
3:50a
ORD
3:25p
11h 35m
2 stops
Depart: Thu Aug 31 2017 Return: Tue Sep 5 2017 Trip spans 6 days
Interjet
Interjet
ORD
8:40p
SJO
6:55p
22h 15m
1 stop
SJO
2:30a
ORD
6:30a
28h 00m
1 stop
Depart: Tue Aug 22 2017 Return: Fri Sep 1 2017 Trip spans 11 days
Spirit Airlines
Spirit Airlines
ORD
12:45p
SJO
9:18p
8h 33m
1 stop
SJO
8:35a
ORD
6:56p
10h 21m
1 stop
Depart: Tue Oct 24 2017 Return: Tue Oct 31 2017 Trip spans 8 days
Aeromexico
Aeromexico
ORD
7:00a
SJO
8:17p
13h 17m
2 stops
SJO
8:30a
ORD
1:18p
28h 48m
2 stops
Depart: Sun Nov 26 2017 Return: Fri Dec 8 2017 Trip spans 13 days
Major Airline
Major Airline
ORD
4:35a
SJO
6:05a
25h 30m
3 stops
SJO
7:40p
ORD
2:40a
7h 00m
3 stops
Depart: Sun Aug 6 2017 Return: Mon Aug 7 2017 Trip spans 2 days
Copa Airlines
Copa Airlines
ORD
10:25a
SJO
1:40p
27h 15m
1 stop
SJO
4:24p
ORD
7:15p
26h 51m
2 stops
Depart: Tue Nov 28 2017 Return: Tue Dec 5 2017 Trip spans 8 days
Avianca
Avianca
ORD
9:35a
SJO
4:30p
6h 55m
1 stop
SJO
12:47a
ORD
7:40a
6h 53m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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

Chicago
$301
Destination

Liberia
$658
San Jose
$301