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
Denver
Buffalo
Outbound
11/09/25
1 Stopover (ATL)
F93294, F91408
10h 48min
Return
12/07/25
1 Stopover (TPA)
F91243, F93517
09h 37min
Frontier Airlines
$210
Best option
Denver
Buffalo
Outbound
02/13/26
direct
UA2473
03h 15min
Return
02/26/26
direct
UA1727
03h 44min
United Airlines ?
$473
Denver
Buffalo
Outbound
11/09/25
1 Stopover (ATL)
F93294, F91408
10h 48min
Return
12/07/25
1 Stopover (BOS)
B60216, B60393
08h 27min
Frontier Airlines ?
$231
Denver
Buffalo
Outbound
11/09/25
1 Stopover (ATL)
F93294, F91408
10h 48min
Return
12/07/25
1 Stopover (TPA)
F91243, F93517
09h 37min
Frontier Airlines
$294
Denver
Buffalo
Outbound
11/09/25
1 Stopover (ATL)
F93294, F91408
10h 48min
Return
12/07/25
1 Stopover (ATL)
F91407, F93599
28h 22min
Frontier Airlines ?
$320
Denver
Buffalo
Outbound
11/09/25
direct
UA2473
03h 14min
Return
12/07/25
1 Stopover (IAD)
UA4231, UA0599
06h 17min
United Airlines ?
$379
Denver
Buffalo
Outbound
02/13/26
1 Stopover (JFK)
B60098, B61602
07h 45min
Return
02/26/26
1 Stopover (JFK)
B62901, B60097
11h 04min
JetBlue Airways ?
$401
Denver
Buffalo
Outbound
02/13/26
direct
UA2473
03h 15min
Return
02/26/26
1 Stopover (JFK)
B62901, B60097
11h 04min
United Airlines ?
$425
Denver
Buffalo
Outbound
02/13/26
1 Stopover (PHL)
AA2672, AA5866
05h 38min
Return
02/26/26
1 Stopover (ORD)
AA3342, AA1387
07h 31min
American Airlines ?
$526
Denver
Buffalo
Outbound
02/13/26
1 Stopover (MCO)
F93312, F91692
09h 28min
Return
02/26/26
1 Stopover (MCO)
F91691, F93311
15h 07min
Frontier Airlines
$534
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 $209.97
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