Find Cheap Flights from Buffalo to Denver (BUF - DEN)

Flights overview

Useful information for finding cheap flights from Buffalo to Denver and booking your next trip

Cheapest round-trip flights	$180	Frontier 1 stop 12 hr Thu, Apr 30 — Wed, May 6	The cheapest round-trip flight from Buffalo to Denver is currently $180
Cheapest one-way flight	$80	Frontier 1 stop 10 hr Wed, May 6	The cheapest one-way flight from Buffalo to Denver is currently $80
Cheapest nonstop flights	$364	United Nonstop 4 hr Thu, May 28 — Wed, Jun 3	The cheapest nonstop round-trip flight from Buffalo to Denver is currently $364
Last-minute weekend getaway	$250	Frontier 1 stop 12 hr Thu, Apr 23 — Sun, Apr 26	The cheapest last-minute weekend getaway from Buffalo to Denver is currently $250
Cheapest business class flights	$428	Frontier 1 stop 28 hr Sun, May 3 — Mon, May 11	The cheapest business class round-trip flight from Buffalo to Denver is currently $428

Fastest flight	3 hr 30 min	The fastest nonstop flight from Buffalo to Denver takes 3 hr 30 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Buffalo to Denver is typically October. The most expensive month to fly is typically March.

October Cheapest	Typical prices: $155–300
March Most expensive	Typical prices: $230–385

Popular airlines from Buffalo to Denver

United

Nonstop

from $364

Typical price: $275–540

7 weekly nonstop flights

BUF - DEN Every day

559 weekly connecting flights

BUF - DEN Every day
Southwest

Nonstop

from $384

Typical price: $290–550

1 weekly nonstop flight

BUF - DEN Every Sat

552 weekly connecting flights

BUF - DEN Every day
Delta

from $384

Typical price: $255–700

253 weekly connecting flights

BUF - DEN Every day
American

from $384

Typical price: $255–610

185 weekly connecting flights

BUF - DEN Every day
Frontier

from $180

Typical price: $200–465

26 weekly connecting flights

BUF - DEN Every day
JetBlue

from $413

Typical price: $310–740

21 weekly connecting flights

BUF - DEN Every day

Popular airports near Buffalo

Buffalo Niagara International Airport (BUF)

Buffalo United States 24 min 8 mi
Toronto Pearson International Airport (YYZ)

Toronto Canada 1 hr 37 min 66 mi
Frederick Douglass Greater Rochester International Airport (ROC)

Rochester United States 1 hr 13 min 63 mi
Cleveland Hopkins International Airport (CLE)

Cleveland United States 3 hr 11 min 183 mi

Popular airports near Denver

Denver International Airport (DEN)

Denver United States 38 min 19 mi
Colorado Springs Airport (COS)

Colorado Springs United States 1 hr 27 min 66 mi
Eagle County Regional Airport (EGE)

Vail United States 2 hr 19 min 103 mi
Centennial Airport (APA)

Denver United States 27 min 14 mi

Frequently asked questions about flying from Buffalo to Denver

The cheapest flights from Buffalo to Denver are usually in October. Typical ticket prices in October range from $155 to $300.

The cheapest round-trip flight from Buffalo to Denver recently found on Google Flights was with Frontier from $180. The cheapest one-way flight was with Frontier from $80.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Buffalo to Denver is $364, flying from May 28 to Jun 3.
The cheapest Southwest flight from Buffalo to Denver is $384, flying from Jun 1 to Jun 9.
The cheapest Delta flight from Buffalo to Denver is $384, flying from May 28 to Jun 3.
The cheapest American flight from Buffalo to Denver is $384, flying from May 28 to Jun 3.
The cheapest Frontier flight from Buffalo to Denver is $180, flying from Apr 30 to May 6.
The cheapest JetBlue flight from Buffalo to Denver is $413, flying from May 28 to Jun 3.

The cheapest round-trip flight from Buffalo to Denver starts at $180 from Thu, Apr 30 to Wed, May 6. The cheapest one-way flight starts at $80 and departs on Wed, May 6.

3 hr 30 min is the shortest flight time from Buffalo to Denver.

Denver’s mild summer months (Jun–Aug) are a popular time for visitors exploring the city and nearby national parks. The ski season runs through winter (Nov–Mar). Major events include the National Western Stock Show & Rodeo (Jan) and A Taste of Colorado (Sep) food and arts festival.

It's easy to use Google Flights to find the cheapest days to fly from Buffalo to Denver.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Buffalo to Denver really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Buffalo to Denver.

In terms of nonstop flights, United is the most popular. United offers 7 nonstop flights and 559 connecting flights per week. United flies from Buffalo Niagara International Airport (BUF) to Denver International Airport (DEN) .

Other popular airlines flying from Buffalo to Denver are:

Southwest offers 1 nonstop flights and 552 connecting flights per week. Southwest flies from Buffalo Niagara International Airport (BUF) to Denver International Airport (DEN) .
Delta offers 253 connecting flights per week. Delta flies from Buffalo Niagara International Airport (BUF) to Denver International Airport (DEN) .
American offers 185 connecting flights per week. American flies from Buffalo Niagara International Airport (BUF) to Denver International Airport (DEN) .
Frontier offers 26 connecting flights per week. Frontier flies from Buffalo Niagara International Airport (BUF) to Denver International Airport (DEN) .
JetBlue offers 21 connecting flights per week. JetBlue flies from Buffalo Niagara International Airport (BUF) to Denver International Airport (DEN) .

The number of connecting flights refers to distinct flights with at least one stop between Buffalo and Denver.

The cheapest round-trip flight from Buffalo to Denver recently found on Google Flights was with Frontier from $180. The cheapest one-way flight was with Frontier from $80.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Buffalo to Denver is $364, flying from May 28 to Jun 3.
The cheapest Southwest flight from Buffalo to Denver is $384, flying from Jun 1 to Jun 9.
The cheapest Delta flight from Buffalo to Denver is $384, flying from May 28 to Jun 3.
The cheapest American flight from Buffalo to Denver is $384, flying from May 28 to Jun 3.
The cheapest Frontier flight from Buffalo to Denver is $180, flying from Apr 30 to May 6.
The cheapest JetBlue flight from Buffalo to Denver is $413, flying from May 28 to Jun 3.

United and Southwest fly direct from Buffalo to Denver.

There are 7 United direct flights from Buffalo to Denver per week. Flights are available every day.
There are 1 Southwest direct flights from Buffalo to Denver per week. Flights are available on Saturday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Buffalo and Denver at price $250 is offered by Frontier from Thu, Apr 23 to Sun, Apr 26.

United and Southwest fly direct from Buffalo to Denver.

There are 7 United direct flights from Buffalo to Denver per week. Flights are available every day.
There are 1 Southwest direct flights from Buffalo to Denver per week. Flights are available on Saturday.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Buffalo to Denver on a daily basis.

The cheapest direct (nonstop) round-trip flights between Buffalo and Denver start at $364 from Thu, May 28 to Wed, Jun 3 with United.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Buffalo to Denver, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Buffalo and Denver start at $428 from Sun, May 3 to Mon, May 11 with Frontier.

The cheapest economy class round-trip flights between Buffalo and Denver start at $180 from Thu, Apr 30 to Wed, May 6.

To book business class trips from Buffalo to Denver, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Buffalo and Denver starts at $250 from Thu, Apr 23 to Sun, Apr 26 with Frontier.

The cheapest last-minute deal between Buffalo and Denver at price $250 is offered by Frontier from Thu, Apr 23 to Sun, Apr 26.

To find last-minute flight deals from Buffalo to Denver, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.