Flights from Denver to Buffalo

Our cheapest offers for flights from Denver to Buffalo

Here you can compare cheap flights from Denver (DEN) to Buffalo (BUF) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Buffalo. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Denver
Buffalo
Outbound
09/04/25
direct
UA2473
03h 16min
Return
09/28/25
direct
UA1727
03h 36min
United Airlines ?
$223
Denver
Buffalo
Outbound
09/04/25
direct
UA2473
03h 16min
Return
09/28/25
direct
UA1727
03h 36min
United Airlines ?
$232
Denver
Buffalo
Outbound
11/03/25
1 Stopover (JFK)
B60098, B61602
07h 45min
Return
11/12/25
1 Stopover (JFK)
B62901, B60097
11h 04min
JetBlue Airways ?
$232
Denver
Buffalo
Outbound
07/02/25
direct
WN3156
03h 05min
Return
07/25/25
1 Stopover (ORD)
AA1195, AA2755
05h 17min
Southwest Airlines ?
$236
Denver
Buffalo
Outbound
06/07/25
1 Stopover (BOS)
B60994, B62115
08h 51min
Return
06/23/25
direct
F92751
03h 52min
JetBlue Airways ?
$241
Denver
Buffalo
Outbound
06/08/25
1 Stopover (MCO)
F94920, F91692
22h 19min
Return
06/12/25
1 Stopover (TPA)
F91243, F92745
30h 02min
Frontier Airlines
$242
Denver
Buffalo
Outbound
10/18/25
direct
UA2473
03h 16min
Return
10/24/25
direct
UA1727
03h 36min
United Airlines ?
$247
Denver
Buffalo
Outbound
06/08/25
1 Stopover (MCO)
F94920, F91692
22h 19min
Return
06/12/25
1 Stopover (TPA)
F91243, F92745
30h 02min
Frontier Airlines
$251
Denver
Buffalo
Outbound
10/18/25
1 Stopover (TPA)
F91114, F91244
10h 00min
Return
11/17/25
1 Stopover (ATL)
F91407, F91449
06h 47min
Frontier Airlines ?
$260
Denver
Buffalo
Outbound
10/18/25
1 Stopover (ORD)
AA0801, AA0513
07h 48min
Return
11/17/25
1 Stopover (ORD)
AA3342, AA1387
05h 16min
American Airlines ?
$265
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Denver to Buffalo

Favorite airline: Frontier Airlines
Most travelers looking for flights on the route from Denver to Buffalo decide to book flights with Frontier Airlines.
Frontier Airlines
43 %
American Airlines
29 %
Delta
14 %

Important flight information

Flight information: Denver - Buffalo

Roundtrip from 222,04 $
Flight duration min. 03:26
Return flight duration min. 04:18/ max. 08:15
Distance 2184 km
Flights per week 3
Departure airport Airport Denver International Airport, CO (DEN)
Arrival airport Airport Buffalo Niagara International, NY (BUF)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Buffalo
Flight destinations with a similar price
Flight destinations with a similar price