Find Cheap 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.
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 Ontario to Buffalo

(Round-trip)
Depart: Wed Oct 11 2017 Return: Wed Oct 18 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
BUF
10:25a
10h 25m
2 stops
BUF
12:00a
ONT
1:19p
13h 19m
2 stops
Depart: Fri Oct 13 2017 Return: Sat Oct 21 2017 Trip spans 9 days
Major Airline
Major Airline
ONT
12:00a
BUF
2:52p
14h 52m
2 stops
BUF
12:00a
ONT
2:57p
14h 57m
2 stops
Depart: Tue Oct 17 2017 Return: Thu Oct 19 2017 Trip spans 3 days
Delta
Delta
ONT
12:00a
BUF
11:55a
11h 55m
2 stops
BUF
12:00a
ONT
1:19p
13h 19m
2 stops
Depart: Wed Jul 5 2017 Return: Tue Jul 25 2017 Trip spans 21 days
United
United
ONT
12:00a
BUF
10:44a
10h 44m
2 stops
BUF
12:00a
ONT
2:32p
14h 32m
2 stops
Depart: Mon Jul 17 2017 Return: Tue Jul 18 2017 Trip spans 2 days
American Airlines
American Airlines
ONT
12:00a
BUF
8:17a
8h 17m
1 stop
BUF
12:00a
ONT
7:33a
7h 33m
1 stop
Depart: Sat Oct 14 2017 Return: Wed Oct 18 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
BUF
2:18p
14h 18m
2 stops
BUF
12:00a
ONT
1:19p
13h 19m
2 stops
Depart: Sat Oct 14 2017 Return: Fri Oct 20 2017 Trip spans 7 days
Major Airline
Major Airline
ONT
12:00a
BUF
2:52p
14h 52m
2 stops
BUF
12:00a
ONT
10:46a
10h 46m
2 stops
Depart: Tue Oct 17 2017 Return: Wed Oct 18 2017 Trip spans 2 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
BUF
10:25a
10h 25m
2 stops
BUF
12:00a
ONT
1:19p
13h 19m
2 stops
Depart: Tue Oct 17 2017 Return: Sat Oct 21 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
BUF
5:47p
17h 47m
2 stops
BUF
12:00a
ONT
11:28a
11h 28m
2 stops
Depart: Sat Oct 14 2017 Return: Sat Oct 21 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
BUF
12:18p
12h 18m
2 stops
BUF
12:00a
ONT
10:45a
10h 45m
2 stops
Depart: Thu Oct 12 2017 Return: Wed Oct 18 2017 Trip spans 7 days
Delta
Delta
ONT
12:00a
BUF
2:16p
14h 16m
2 stops
BUF
12:00a
ONT
1:19p
13h 19m
2 stops
Depart: Thu Aug 10 2017 Return: Sat Aug 19 2017 Trip spans 10 days
Major Airline
Major Airline
ONT
12:00a
BUF
11:39a
11h 39m
2 stops
BUF
12:00a
ONT
1:22p
13h 22m
2 stops
Depart: Tue Aug 8 2017 Return: Wed Aug 16 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
BUF
2:02p
14h 02m
2 stops
BUF
12:00a
ONT
12:14p
12h 14m
2 stops
Depart: Thu Jul 6 2017 Return: Tue Jul 25 2017 Trip spans 20 days
United
United
ONT
12:00a
BUF
10:59a
10h 59m
2 stops
BUF
12:00a
ONT
1:16p
13h 16m
2 stops
Depart: Mon Jul 17 2017 Return: Thu Jul 20 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
12:00a
BUF
8:17a
8h 17m
1 stop
BUF
12:00a
ONT
7:33a
7h 33m
1 stop
Depart: Wed Oct 11 2017 Return: Thu Oct 19 2017 Trip spans 9 days
Delta
Delta
ONT
12:00a
BUF
2:16p
14h 16m
2 stops
BUF
12:00a
ONT
1:19p
13h 19m
2 stops
Depart: Wed Oct 11 2017 Return: Fri Oct 20 2017 Trip spans 10 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
BUF
11:38a
11h 38m
2 stops
BUF
12:00a
ONT
5:52p
17h 52m
2 stops
Depart: Fri Jul 7 2017 Return: Tue Jul 25 2017 Trip spans 19 days
United
United
ONT
12:00a
BUF
12:33p
12h 33m
2 stops
BUF
12:00a
ONT
1:16p
13h 16m
2 stops
Depart: Tue Jul 4 2017 Return: Wed Jul 26 2017 Trip spans 23 days
American Airlines
American Airlines
ONT
12:00a
BUF
10:24a
10h 24m
2 stops
BUF
12:00a
ONT
8:17p
20h 17m
1 stop
Depart: Mon Oct 16 2017 Return: Fri Oct 20 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
BUF
9:33a
9h 33m
2 stops
BUF
12:00a
ONT
5:52p
17h 52m
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

Ontario
$340
Destination

Buffalo
$340