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Cheap flights from Denver (DEN) to Buffalo (BUF)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Denver (DEN) to Buffalo (BUF)

How to find the cheapest flight from Denver (DEN) to Buffalo (BUF)
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How to find the cheapest flight from Denver (DEN) to Buffalo (BUF)
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How to find the cheapest flight from Denver (DEN) to Buffalo (BUF)
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Cheap flights from Denver to Buffalo in September , October 2026

27 Sep - 21 Oct $ 269.00
DEN
Denver
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
DEN
Denver
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17 Sep - 03 Oct $ 295.00
DEN
Denver
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
DEN
Denver
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18 Sep - 10 Oct $ 943.00
DEN
Denver
JetBlue Airways
1 STOPS
BUF
Buffalo
BUF
Buffalo
JetBlue Airways
1 STOPS
DEN
Denver
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Last minute flights from Denver to Buffalo

27 Sep - 30 Sep $ 290.00
DEN
Denver
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
DEN
Denver
Pick dates
17 Sep - 30 Sep $ 295.00
DEN
Denver
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
DEN
Denver
Pick dates
16 Sep - 30 Sep $ 926.00
DEN
Denver
United Airlines
DIRECT
BUF
Buffalo
BUF
Buffalo
United Airlines
DIRECT
DEN
Denver
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One-way flights to Buffalo from Denver

6:40 AM - 3:08 PM
Frontier Airlines
1 Stops
9h 5m
DEN - BUF
$ 178
Kiwi
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5:31 PM - 5:31 PM
United Airlines
0 Stops
3h 12m
DEN - BUF
$ 249
Kiwi
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5:25 PM - 5:25 PM
United Airlines
0 Stops
3h 12m
DEN - BUF
$ 482
Kiwi
Pick dates

How to find the cheapest flight from Denver (DEN) to Buffalo (BUF)

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