Flights 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
Denver
Buffalo
Outbound
03/28/26
1 Stopover (ATL)
F91450, F91408
10h 06min
Return
04/25/26
1 Stopover (MCO)
F91691, F93311
13h 15min
Frontier Airlines
$251
Best option
Denver
Buffalo
Outbound
03/28/26
direct
UA0263
03h 15min
Return
04/25/26
direct
UA1727
03h 43min
United Airlines ?
$316
Denver
Buffalo
Please note: transfer for connecting flight
Outbound
03/28/26
1 Stopover (MCO)
F92520, F93262
08h 50min
Return
04/25/26
1 Stopover (ATL)
F91407, F93599
11h 55min
Frontier Airlines
$429
Denver
Buffalo
Outbound
03/28/26
direct
UA0263
03h 15min
Return
04/25/26
1 Stopover (ORD)
AA4423, AA1387
06h 55min
United Airlines ?
$273
Denver
Buffalo
Outbound
03/28/26
1 Stopover (JFK)
B60098, B61602
07h 05min
Return
04/25/26
1 Stopover (ATL)
F91407, F93599
11h 55min
JetBlue Airways ?
$286
Denver
Buffalo
Outbound
05/16/26
1 Stopover (BOS)
B60994, B62115
08h 31min
Return
05/29/26
1 Stopover (BOS)
B60716, B60493
28h 28min
JetBlue Airways ?
$314
Denver
Buffalo
Outbound
03/28/26
2 Stopovers (SAT, MCO)
F93708, F91654, F93262
35h 49min
Return
04/25/26
2 Stopovers (MCO, SLC)
F91691, F92169, F93982
27h 48min
Frontier Airlines ?
$372
Denver
Buffalo
Outbound
07/26/26
1 Stopover (ORD)
AA2771, AA0403
15h 44min
Return
08/05/26
1 Stopover (CLT)
AA2442, AA1284
08h 19min
American Airlines ?
$395
Denver
Buffalo
Outbound
03/28/26
1 Stopover (PHL)
AA2672, AA5866
06h 49min
Return
04/25/26
1 Stopover (DFW)
AA0882, AA1755
07h 09min
American Airlines ?
$448
Denver
Buffalo
Outbound
05/16/26
1 Stopover (ATL)
DL0341, DL2266
07h 55min
Return
05/29/26
1 Stopover (ATL)
DL2266, DL0956
09h 31min
Delta Air Lines ?
$1,247
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 $250.97
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
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