Find Cheap Flights 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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Brownsville South Padre Is. Intl to Ontario

(Round-trip)
Depart: Wed Nov 22 2017 Return: Fri Dec 1 2017 Trip spans 10 days
American Airlines
American Airlines
BRO
12:40p
ONT
8:39p
7h 59m
1 stop
ONT
3:15a
BRO
10:08a
6h 53m
1 stop
Depart: Thu Aug 24 2017 Return: Sun Aug 27 2017 Trip spans 4 days
$1062
Select
United
United
BRO
1:20a
ONT
10:42a
9h 22m
2 stops
ONT
5:40p
BRO
4:19a
10h 39m
2 stops
Depart: Fri Dec 29 2017 Return: Mon Jan 1 2018 Trip spans 4 days
American Airlines
American Airlines
BRO
1:26a
ONT
6:57a
5h 31m
1 stop
ONT
9:15a
BRO
2:43p
5h 28m
1 stop
Depart: Thu Nov 23 2017 Return: Fri Dec 1 2017 Trip spans 9 days
$2431
Select
Alaska Airlines
Alaska Airlines
BRO
6:18a
ONT
8:08a
25h 50m
2 stops
ONT
3:30p
BRO
10:08a
18h 38m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

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.

We compile tonnes of data for you
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Brownsville
$424
Destination

Ontario
$424