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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 November , December 2026

27 Nov - 09 Dec $ 488.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
26 Nov - 09 Dec $ 500.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
18 Nov - 09 Dec $ 511.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Buffalo

27 Nov - 01 Dec $ 603.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
26 Nov - 01 Dec $ 614.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
24 Nov - 01 Dec $ 626.00
ONT
Ontario
Frontier Airlines
2 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates

One-way flights to Buffalo from Ontario

2:01 PM - 9:25 AM
Frontier Airlines
2 Stops
19h 7m
ONT - BUF
$ 281
Kiwi
Pick dates
7:13 PM - 8:00 AM
Alaska Airlines
2 Stops
12h 35m
ONT - BUF
$ 544
Kiwi
Pick dates
4:09 PM - 8:37 AM
Alaska Airlines
2 Stops
15h 1m
ONT - BUF
$ 544
Kiwi
Pick dates

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)
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.