Find Cheap Flights from Ontario 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 Ontario to Costa Rica

(Round-trip)
Depart: Thu Aug 10 2017 Return: Mon Aug 14 2017 Trip spans 5 days
Volaris
Volaris
ONT
12:00a
SJO
4:48p
16h 48m
1 stop
SJO
12:00a
ONT
1:19p
13h 19m
1 stop
Depart: Thu Aug 24 2017 Return: Thu Sep 14 2017 Trip spans 22 days
Aeromexico
Aeromexico
ONT
12:00a
SJO
9:45p
21h 45m
2 stops
SJO
12:00a
ONT
5:54p
17h 54m
2 stops
Depart: Tue Aug 22 2017 Return: Wed Sep 6 2017 Trip spans 16 days
Hahn Air Systems
Hahn Air Systems
ONT
12:00a
SJO
4:48p
16h 48m
1 stop
SJO
12:00a
ONT
1:19p
13h 19m
1 stop
Depart: Sat Aug 12 2017 Return: Sun Aug 20 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SJO
4:48p
16h 48m
1 stop
SJO
12:00a
ONT
1:19p
13h 19m
1 stop
Depart: Fri Jul 28 2017 Return: Mon Aug 7 2017 Trip spans 11 days
American Airlines
American Airlines
ONT
12:00a
SJO
9:02a
9h 02m
1 stop
SJO
12:00a
ONT
5:11p
17h 11m
1 stop
Depart: Fri Aug 4 2017 Return: Sat Aug 5 2017 Trip spans 2 days
United
United
ONT
12:00a
SJO
5:40p
17h 40m
2 stops
SJO
12:00a
ONT
12:00p
12h 00m
2 stops
Depart: Mon Aug 14 2017 Return: Tue Aug 22 2017 Trip spans 9 days
$1036
Select
Alaska Airlines
Alaska Airlines
ONT
12:00a
LIR
7:50a
31h 50m
3 stops
LIR
12:00a
ONT
7:08a
31h 08m
3 stops
Depart: Thu Aug 24 2017 Return: Thu Aug 31 2017 Trip spans 8 days
Aeromexico
Aeromexico
ONT
12:00a
SJO
9:45p
21h 45m
2 stops
SJO
12:00a
ONT
5:54p
17h 54m
2 stops
Depart: Thu Jul 27 2017 Return: Mon Jul 31 2017 Trip spans 5 days
Volaris
Volaris
ONT
12:00a
SJO
4:48p
16h 48m
1 stop
SJO
12:00a
ONT
1:19p
13h 19m
1 stop
Depart: Sun Aug 6 2017 Return: Fri Aug 18 2017 Trip spans 13 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SJO
4:48p
16h 48m
1 stop
SJO
12:00a
ONT
1:19p
13h 19m
1 stop
Depart: Thu Aug 24 2017 Return: Sat Sep 2 2017 Trip spans 10 days
Aeromexico
Aeromexico
ONT
12:00a
SJO
9:45p
21h 45m
2 stops
SJO
12:00a
ONT
12:12p
12h 12m
2 stops
Depart: Sun Aug 6 2017 Return: Mon Aug 14 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SJO
4:48p
16h 48m
1 stop
SJO
12:00a
ONT
1:19p
13h 19m
1 stop
Depart: Fri Aug 25 2017 Return: Thu Aug 31 2017 Trip spans 7 days
Aeromexico
Aeromexico
ONT
12:00a
SJO
9:45p
21h 45m
2 stops
SJO
12:00a
ONT
5:54p
17h 54m
2 stops
Depart: Sat Aug 26 2017 Return: Sat Sep 2 2017 Trip spans 8 days
Aeromexico
Aeromexico
ONT
12:00a
SJO
9:45p
21h 45m
2 stops
SJO
12:00a
ONT
12:12p
36h 12m
2 stops
Depart: Fri Aug 18 2017 Return: Tue Aug 22 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
SJO
10:08p
22h 08m
2 stops
SJO
12:00a
ONT
10:58p
22h 58m
2 stops
Depart: Thu Aug 3 2017 Return: Wed Aug 9 2017 Trip spans 7 days
United
United
ONT
12:00a
SJO
9:10p
21h 10m
2 stops
SJO
12:00a
ONT
1:00a
25h 00m
2 stops
Depart: Fri Aug 25 2017 Return: Sat Sep 2 2017 Trip spans 9 days
Aeromexico
Aeromexico
ONT
12:00a
SJO
9:45p
21h 45m
2 stops
SJO
12:00a
ONT
5:54p
17h 54m
2 stops
Depart: Fri Aug 4 2017 Return: Wed Aug 9 2017 Trip spans 6 days
United
United
ONT
12:00a
SJO
5:40p
17h 40m
2 stops
SJO
12:00a
ONT
1:00a
25h 00m
2 stops
Depart: Sun Jul 30 2017 Return: Mon Aug 7 2017 Trip spans 9 days
$1026
Select
American Airlines
American Airlines
ONT
12:00a
SJO
11:15a
11h 15m
2 stops
SJO
12:00a
ONT
11:50a
11h 50m
1 stop
Depart: Sat Aug 26 2017 Return: Thu Aug 31 2017 Trip spans 6 days
Aeromexico
Aeromexico
ONT
12:00a
SJO
9:45p
21h 45m
2 stops
SJO
12:00a
ONT
5:54p
17h 54m
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

Ontario
$568
Destination

Liberia
$1036
San Jose
$568