Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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.
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.

Cheap flights from Denver to Buffalo in November , December 2026

26 Nov - 16 Dec $ 427.00
DEN
Denver
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
DEN
Denver
Pick dates
19 Nov - 09 Dec $ 622.00
DEN
Denver
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
DEN
Denver
Pick dates
15 Nov - 08 Dec $ 760.00
DEN
Denver
JetBlue Airways
1 STOPS
BUF
Buffalo
BUF
Buffalo
JetBlue Airways
1 STOPS
DEN
Denver
Pick dates

Last minute flights from Denver to Buffalo

26 Nov - 30 Nov $ 665.00
DEN
Denver
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
DEN
Denver
Pick dates
19 Nov - 30 Nov $ 855.00
DEN
Denver
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
DEN
Denver
Pick dates
15 Nov - 30 Nov $ 928.00
DEN
Denver
Frontier Airlines
1 STOPS
BUF
Buffalo
BUF
Buffalo
Frontier Airlines
1 STOPS
DEN
Denver
Pick dates

One-way flights to Buffalo from Denver

11:59 PM - 10:30 AM
JetBlue Airways
1 Stops
10h
DEN - BUF
$ 296
Kiwi
Pick dates
11:59 PM - 8:10 AM
JetBlue Airways
1 Stops
7h 45m
DEN - BUF
$ 483
Kiwi
Pick dates
12:05 PM - 6:59 PM
JetBlue Airways
1 Stops
6h 31m
DEN - BUF
$ 560
Kiwi
Pick dates

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

Related info for your journey
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.
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.