Cheap flights from Buffalo to Denver

Flights starting at $134. Choose between United Airlines, Delta Air Lines, or American Airlines to find the best price.

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Travelers usually depart from Buffalo Niagara International, Buffalo Downtown Terminal, or Buffalo - Exchange Street when they travel from Buffalo to Denver. Book your trip to arrive at Denver International, Denver Union Station, or Centennial Airport. The distance between Buffalo and Denver is 2184 km. The most popular airlines for this route are United Airlines, Delta Air Lines, American Airlines, Frontier Airlines, and JetBlue Airways. Buffalo and Denver have 295 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights---11-1
Fly direct with

Frontier Airlines on Thursdays, Fridays, and Sundays.

Check-in for a flight from Buffalo to Denver

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
American AirlinesAALAAYesNo
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
JetBlue AirwaysJBUB6YesOpens 24 days before flight
Closes 2 hours before flight
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Buffalo to Denver?
A one-way nonstop (direct) flight between Buffalo and Denver takes around 3.7 hours.
What is the flight distance between Buffalo and Denver?
The flight distance between Buffalo and Denver is 2184 km.
What airlines offer nonstop (direct) flights between Buffalo and Denver?
Several carriers operate flights between Buffalo and Denver. Airlines offering nonstop (direct) flights include Frontier Airlines.
What are the most popular routes to and from Buffalo?
Travelers frequently search for route combinations, such as Buffalo and Orlando, Tampa, Houston, San Juan, Atlanta, Las Vegas, Dallas, Fort Myers, Los Angeles, Fort Lauderdale, New York, London, Austin, Washington, D.C., Raleigh, San Diego, San Francisco, Minneapolis, Rome, Seattle.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Chicago, Dallas, Minneapolis, Los Angeles, Washington, D.C., Houston, Orlando, San Francisco, Atlanta, Las Vegas, Austin, Phoenix, Philadelphia, San Diego, Miami, New York, Tampa, Detroit, Seattle, Salt Lake City.
What airports are near Buffalo?
The main airport in Buffalo is Buffalo Niagara International. It is also served by Toronto Pearson International, Buffalo Niagara International, Syracuse Hancock International, Billy Bishop Toronto City, Greater Rochester International, DuBois Regional, John C. Munro Hamilton International, Niagara Falls International, Region of Waterloo International, Elmira/Corning Regional.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Colorado Springs, Eagle County Regional, Cheyenne Regional, Pueblo Memorial, Laramie Regional.
What buses and trains depart from Buffalo?
A number of bus and train companies depart from Buffalo, including New York Trailways, Amtrak train, Fullington Trailways.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Buffalo and Denver?
Yes, it's possible to combine different modes of transport between Buffalo and Denver thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Buffalo and Denver can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Which airlines fly between Buffalo and Denver?
When's the best time to travel between Buffalo and Denver?
What flights operate between Buffalo and Denver?
How many airports are there near Buffalo?
How many airports are there near Denver?
Is it possible to reach Buffalo by bus or train?
What time do nonstop (direct) flights between Buffalo and Denver depart?
What time do nonstop (direct) flights between Buffalo and Denver arrive?
What time do flights between Buffalo and Denver depart?
What time do flights between Buffalo and Denver arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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