Flight Routes from Denver to Buffalo

Trip type

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
06/25/26
1 Stopover (JFK)
B61498, B60102
07h 29min
Return
06/30/26
direct
UA1727
03h 35min
JetBlue Airways ?
$411
Denver
Buffalo
Outbound
06/25/26
1 Stopover (MSP)
SY0658, SY1057
13h 35min
Return
06/30/26
1 Stopover (ATL)
F91407, F93599
10h 42min
Sun Country Airlines
$496
Denver
Buffalo
Outbound
06/25/26
1 Stopover (MSP)
SY0658, SY1057
13h 35min
Return
06/30/26
1 Stopover (ATL)
F91407, F93599
10h 42min
Sun Country Airlines
$503
Denver
Buffalo
Outbound
06/25/26
1 Stopover (MSP)
F91292, SY1057
12h 18min
Return
06/30/26
2 Stopovers (ATL, ORD)
F91407, F93397, F91483
21h 07min
Frontier Airlines, Sun Country Airlines ?
$526
Denver
Buffalo
Outbound
06/25/26
direct
UA0248
03h 18min
Return
06/30/26
1 Stopover (ORD)
UA2747, UA0329
06h 07min
United Airlines
$557
Denver
Buffalo
Outbound
06/25/26
1 Stopover (ORD)
AA1760, AA0564
05h 36min
Return
06/30/26
1 Stopover (DFW)
AA1615, AA0662
09h 09min
American Airlines ?
$684
Denver
Buffalo
Outbound
06/25/26
1 Stopover (DTW)
DL1096, DL4639
05h 28min
Return
06/30/26
1 Stopover (LGA)
DL5366, DL0716
08h 04min
Delta Air Lines ?
$3,029
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 $ 410,40
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
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