Find Deals on Flights from Ontario to Buffalo (ONT - BUF)

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 Buffalo

(Round-trip)
Depart: Tue Mar 14 2017 Return: Mon Mar 27 2017 Trip spans 14 days
Major Airline
Major Airline
ONT
7:25a
BUF
12:14a
16h 49m
2 stops
BUF
7:20a
ONT
4:54a
21h 34m
2 stops
Depart: Wed Mar 15 2017 Return: Tue Mar 21 2017 Trip spans 7 days
United
United
ONT
3:15p
BUF
2:49a
11h 34m
2 stops
BUF
6:35a
ONT
7:49p
13h 14m
2 stops
Depart: Sat Aug 12 2017 Return: Sat Aug 19 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
2:15a
BUF
2:01p
11h 46m
2 stops
BUF
9:14a
ONT
8:39p
11h 25m
2 stops
Depart: Tue Apr 11 2017 Return: Tue Apr 18 2017 Trip spans 8 days
Delta
Delta
ONT
2:00a
BUF
3:55p
13h 55m
2 stops
BUF
11:40a
ONT
9:49p
10h 09m
2 stops
Depart: Mon Mar 27 2017 Return: Thu Mar 30 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
1:00a
BUF
2:20a
1h 20m
2 stops
BUF
1:00a
ONT
8:20a
7h 20m
2 stops
Depart: Tue Mar 28 2017 Return: Thu Mar 30 2017 Trip spans 3 days
United
United
ONT
3:15p
BUF
2:23a
11h 08m
2 stops
BUF
6:00a
ONT
7:49p
13h 49m
2 stops
Depart: Tue Apr 25 2017 Return: Sat Apr 29 2017 Trip spans 5 days
United
United
ONT
5:05p
BUF
3:04a
9h 59m
2 stops
BUF
6:25a
ONT
5:45p
11h 20m
2 stops
Depart: Thu Jun 1 2017 Return: Sat Jun 3 2017 Trip spans 3 days
United
United
ONT
6:40a
BUF
4:23p
9h 43m
2 stops
BUF
6:45a
ONT
7:36p
12h 51m
2 stops
Depart: Thu Mar 9 2017 Return: Tue Mar 14 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
12:00a
BUF
1:20a
1h 20m
2 stops
BUF
1:00a
ONT
8:20a
7h 20m
2 stops
Depart: Sun Jun 4 2017 Return: Fri Jun 9 2017 Trip spans 6 days
Major Airline
Major Airline
ONT
10:20p
BUF
10:01a
11h 41m
2 stops
BUF
3:40a
ONT
5:16p
13h 36m
2 stops
Depart: Wed Apr 5 2017 Return: Mon Apr 10 2017 Trip spans 6 days
United
United
ONT
4:05p
BUF
3:04a
10h 59m
2 stops
BUF
3:20p
ONT
6:26a
15h 06m
2 stops
Depart: Sun Aug 6 2017 Return: Sun Aug 20 2017 Trip spans 15 days
American Airlines
American Airlines
ONT
5:50p
BUF
4:02a
10h 12m
2 stops
BUF
9:14a
ONT
8:39p
11h 25m
2 stops
Depart: Mon Jun 5 2017 Return: Fri Jun 9 2017 Trip spans 5 days
United
United
ONT
5:07a
BUF
4:23p
11h 16m
2 stops
BUF
3:16p
ONT
6:18a
15h 02m
2 stops
Depart: Tue Mar 21 2017 Return: Sun Mar 26 2017 Trip spans 6 days
United
United
ONT
5:20p
BUF
2:49a
9h 29m
2 stops
BUF
6:35a
ONT
7:49p
13h 14m
2 stops
Depart: Sun Mar 26 2017 Return: Thu Mar 30 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
1:00a
BUF
2:20a
1h 20m
2 stops
BUF
1:00a
ONT
8:20a
7h 20m
2 stops
Depart: Thu Apr 20 2017 Return: Mon Apr 24 2017 Trip spans 5 days
United
United
ONT
3:56a
BUF
4:06p
12h 10m
2 stops
BUF
3:20p
ONT
6:26a
15h 06m
2 stops
Depart: Sun Mar 19 2017 Return: Sun Mar 26 2017 Trip spans 8 days
Delta
Delta
ONT
2:33p
BUF
1:59a
11h 26m
2 stops
BUF
11:35a
ONT
9:51p
10h 16m
2 stops
Depart: Thu May 25 2017 Return: Tue May 30 2017 Trip spans 6 days
United
United
ONT
6:40a
BUF
4:23p
9h 43m
2 stops
BUF
6:15a
ONT
7:34p
13h 19m
2 stops
Depart: Wed Apr 26 2017 Return: Sun Apr 30 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
6:55a
BUF
5:07p
10h 12m
2 stops
BUF
4:16a
ONT
5:12p
12h 56m
2 stops
Depart: Fri Mar 31 2017 Return: Sat Apr 22 2017 Trip spans 23 days
United
United
ONT
4:10p
BUF
10:59a
18h 49m
2 stops
BUF
6:40a
ONT
6:31p
11h 51m
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.

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Airports
Origin

Ontario
$332
Destination

Buffalo
$332