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

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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 January , February 2026

31 Jan - 21 Feb $ 330.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
16 Jan - 08 Feb $ 868.00
ONT
Ontario
Alaska Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Alaska Airlines
2 STOPS
ONT
Ontario
Pick dates
16 Jan - 09 Feb $ 938.00
ONT
Ontario
Alaska Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Alaska Airlines
2 STOPS
ONT
Ontario
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Last minute flights from Ontario to Buffalo

28 Jan - 01 Feb $ 352.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
3 STOPS
ONT
Ontario
Pick dates
28 Jan - 01 Feb $ 409.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
29 Jan - 01 Feb $ 453.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
3 STOPS
ONT
Ontario
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One-way flights to Buffalo from Ontario

7:35 PM - 10:40 AM
Frontier Airlines
2 Stops
14h 9m
ONT - BUF
$ 188
Kiwi
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6:32 PM - 4:05 PM
United Airlines
2 Stops
20h 8m
ONT - BUF
$ 418
Kiwi
Pick dates
5:05 AM - 5:48 PM
United Airlines
2 Stops
11h 20m
ONT - BUF
$ 528
Kiwi
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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.