Find Cheap Flights from Costa Rica to Ontario

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 Costa Rica to Ontario

(Round-trip)
Depart: Mon Dec 11 2017 Return: Tue Dec 12 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
SJO
12:00a
ONT
1:34p
13h 34m
1 stop
ONT
12:00a
SJO
5:00p
17h 00m
1 stop
Depart: Sun Nov 5 2017 Return: Thu Nov 9 2017 Trip spans 5 days
Aeromexico
Aeromexico
SJO
12:00a
ONT
5:44p
18h 44m
2 stops
ONT
12:00a
SJO
10:31p
22h 31m
2 stops
Depart: Tue Oct 3 2017 Return: Thu Oct 12 2017 Trip spans 10 days
American Airlines
American Airlines
SJO
12:00a
ONT
12:07p
12h 07m
1 stop
ONT
12:00a
SJO
8:43a
8h 43m
1 stop
Depart: Thu Jan 18 2018 Return: Sat Jan 27 2018 Trip spans 10 days
Aeromexico
Aeromexico
SJO
12:00a
ONT
6:44p
18h 44m
2 stops
ONT
12:00a
SJO
9:06a
33h 06m
2 stops
Depart: Fri Jan 19 2018 Return: Sat Jan 27 2018 Trip spans 9 days
Aeromexico
Aeromexico
SJO
12:00a
ONT
12:19p
36h 19m
2 stops
ONT
12:00a
SJO
9:06a
33h 06m
2 stops
Depart: Sat Oct 21 2017 Return: Sat Oct 28 2017 Trip spans 8 days
Aeromexico
Aeromexico
SJO
12:00a
ONT
5:52p
17h 52m
2 stops
ONT
12:00a
SJO
10:50p
22h 50m
2 stops
Depart: Thu Dec 14 2017 Return: Thu Dec 28 2017 Trip spans 15 days
Aeromexico
Aeromexico
SJO
12:00a
ONT
12:19p
36h 19m
2 stops
ONT
12:00a
SJO
10:31p
22h 31m
2 stops
Depart: Sat Mar 24 2018 Return: Thu Mar 29 2018 Trip spans 6 days
Aeromexico
Aeromexico
SJO
12:00a
ONT
12:43p
12h 43m
2 stops
ONT
12:00a
SJO
10:07p
22h 07m
2 stops
Depart: Thu Oct 12 2017 Return: Sun Oct 15 2017 Trip spans 4 days
Aeromexico
Aeromexico
SJO
12:00a
ONT
12:10p
12h 10m
2 stops
ONT
12:00a
SJO
9:29p
21h 29m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

San Jose
$553
Destination

Ontario
$553