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
10/10/25
direct
F92752
03h 14min
Return
11/04/25
1 Stopover (JFK)
B62901, B60097
11h 04min
Frontier Airlines ?
$213
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
10/18/25
direct
UA2473
03h 16min
Return
10/24/25
direct
UA1727
03h 36min
United Airlines ?
$247
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
Denver
Buffalo
Outbound
10/18/25
1 Stopover (CLT)
AA2849, AA0703
05h 25min
Return
11/17/25
1 Stopover (ORD)
AA3342, AA1387
05h 16min
American Airlines ?
$286
Denver
Buffalo
Outbound
10/18/25
1 Stopover (ORD)
AA0801, AA0513
07h 48min
Return
11/17/25
direct
UA1727
03h 45min
American Airlines ?
$294
Denver
Buffalo
Outbound
11/03/25
direct
UA2473
03h 15min
Return
11/12/25
1 Stopover (ORD)
AA4053, AA2762
07h 12min
United Airlines ?
$294
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 $ 212,26
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