Flight Routes from Denver to Buffalo

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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.

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.

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Matching outbound flights6 of 6
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dep.arr.
durationstopovers
  1. August 23 – 29, 2026
  2. Aug 30 – Sep 5, 2026
  3. September 6 – 12, 2026
    1. DENBUF
      nonstop
      1. Southwest Airlines
    2. DENBUF
      nonstop
      1. Southwest Airlines
    3. DENBUF
      nonstop
      1. Southwest Airlines
    4. DENBUF
      nonstop
      1. Southwest Airlines
    5. DENBUF
      nonstop
      1. United Airlines
    6. DENBUF
      nonstop
      1. Southwest 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 %

      Flight information: Denver - Buffalo

      Roundtrip from 310,97 $
      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
      Departure airport - Destination country Denver International Airport, CO - United States
      Alternative routes to United States
      Alternative flights to Buffalo
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