Flight Routes from Denver to Buffalo

Compare cheap outbound and return flights from Denver (DEN) to Buffalo (BUF) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€409
Fastest outbound flight
Fastest inbound flight
non-stop flights
3x / week
Flight distance
2,184 km
Time difference

Flight schedule from Denver (DEN) to Buffalo (BUF)

Select a travel date in the flight schedule for the route from Denver (DEN) to Buffalo (BUF) and compare affordable flight deals.

offers
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Matching outbound flightsDEN–BUF · 4 of 4
fromto
dep.arr.
durationstopovers
  1. October 18 – 24, 2026
  2. October 25 – 31, 2026
  3. November 1 – 7, 2026
    1. DENBUF
      nonstop
      1. Southwest Airlines
    2. DENBUF
      nonstop
      1. Southwest Airlines
    3. DENBUF
      nonstop
      1. Southwest Airlines
    4. DENBUF
      nonstop
      1. United Airlines

      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

      Discover more flights around Denver and Buffalo

      Departure airport Airport Denver International Airport, CO (DEN)
      Arrival airport Airport Buffalo Niagara International, NY (BUF)
      Destination country Flights to United States
      Departure airport - Destination country Denver International Airport, CO - United States
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