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Cheap flights from Ontario (ONT) to Buffalo (BUF)

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0 Children (2~11)
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How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)

How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)
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How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)
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How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)
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Cheap flights from Ontario to Buffalo in November , December 2025

27 Nov - 01 Jan $ 459.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
28 Nov - 01 Jan $ 481.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
27 Nov - 04 Dec $ 702.00
ONT
Ontario
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
2 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Buffalo

27 Nov - 01 Dec $ 725.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
27 Nov - 30 Nov $ 1,177.00
ONT
Ontario
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
1 STOPS
ONT
Ontario
Pick dates
22 Nov - 30 Nov $ 1,500.00
ONT
Ontario
United Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
United Airlines
1 STOPS
ONT
Ontario
Pick dates

One-way flights to Buffalo from Ontario

6:00 AM - 5:15 PM
United Airlines
2 Stops
9h 39m
ONT - BUF
$ 290
Kiwi
Pick dates
5:05 AM - 5:15 PM
United Airlines
2 Stops
10h 34m
ONT - BUF
$ 291
Kiwi
Pick dates
1:29 PM - 5:38 PM
United Airlines
1 Stops
6h 23m
ONT - BUF
$ 474
Kiwi
Pick dates

How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)

Related info for your journey
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How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Ontario (ONT) to Buffalo (BUF)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.