Flight tickets from Denver (DENA) to Buffalo Niagara (BUF)

Compare Denver to Buffalo Niagara flight deals

Find the cheapest month or even day of the year to fly to Buffalo Niagara

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Flight deals from Denver to Buffalo Niagara

Looking for a cheap last-minute deal or the best return flight from Denver to Buffalo Niagara? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver to Buffalo Niagara

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver to Buffalo Niagara flights are currently cheapest in May.

Direct flights from Denver to Buffalo Niagara

Denver to Buffalo Niagara: Alternative routes

Compare routes from Denver to Buffalo below. You may find an airport to fly into that's cheaper, faster, or easier than Buffalo Niagara.

Denver to Buffalo: Flight information

The things to know before you go.
Cheapest flight found₹ 9,113
Cheapest month to flyMay
Average flight time3 hrs, 9 mins
Most popular airlineUnited
Average flights per week13

Finding cheap flights from Denver to Buffalo Niagara: Frequently asked questions

The best price we found for a return flight from Denver to Buffalo Niagara is ₹ 17,304. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 9 minutes is the average flight time from Denver to Buffalo Niagara.
United and Southwest Airlines fly direct from Denver to Buffalo Niagara.
As of February 2026, there are 13 flights per week flying from Denver to Buffalo Niagara.
The cheapest month to fly from Denver to Buffalo Niagara is usually April.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Buffalo Niagara Airport on Friday, 24 April 2026.
Yes – the average flight time is 3 hours and 9 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buffalo Niagara but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buffalo is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Denver to Buffalo Niagara International Airport (BUF): What you need to know

  • Denver's main airport is Denver International Airport (DEN). Check out your departure options from this terminal when booking flights from Denver to Buffalo Niagara International Airport (BUF).

  • Around 3 hours 10 minutes is how long you'll be in the air on a direct Denver to Buffalo Niagara International Airport flight.

  • Buffalo is two hours ahead of Denver. Buffalo Niagara International Airport is located in Buffalo, which is in the UTC-4 timezone.

  • The busiest route is from Denver International Airport (DEN) to Buffalo Niagara International Airport (BUF), with 11 direct weekly services. If you want to be on your way right away, the earliest flight from DEN to BUF is the 7:55am Southwest Airlines service. If you need some extra time before takeoff, the last departure is at 7:55pm with Southwest Airlines.

  • Leave enough time to make your flight from Denver to BUF. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • In peak travel periods, allow for extended wait times and arrive earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international trips.

Airports in Denver

Denver International Airport (DEN)

  • Fly without interruptions from Denver International Airport (DEN). Nonstop flights from Denver to Buffalo Niagara International Airport (BUF) are available from here.

  • Pick from a variety of carriers offering direct flights from Denver to Buffalo Niagara International Airport departing from DEN. Get on board with any of these:

  • The top choice among passengers flying between DEN and BUF is United Airlines.

  • Among carriers on this route, Frontier Airlines has the highest rate of on-time arrivals.

  • Travelling from central Denver to DEN takes about 1 hour 30 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic conditions.

  • Looking for a convenient place to stay before your flight from Denver to Buffalo Niagara International Airport? Check out Baymont by Wyndham Denver International Airport. Get some shut-eye here before heading to Denver International Airport.

  • 80.23% of flights leaving Denver International Airport arrive at their destination according to schedule. With its solid on-time performance, you're unlikely to be delayed when setting off from DEN.

  • The address for DEN is 8500 Pena Boulevard.

About Buffalo Niagara International Airport (BUF)

  • Have a late flight from Denver to Buffalo Niagara International Airport? Don't let it steal your sleep. Check in to one of these hotels near BUF and hit the lights earlier:

  • Explore without limits with a Buffalo Niagara International Airport rental car. Pick up your wheels from Dollar, Hertz or Budget and chase adventure across Buffalo and beyond.

  • Lock in the best possible rate by reserving your ride around two weeks ahead of your Denver to Buffalo Niagara International Airport flight.

  • BUF is located at Genesee Street.

Getting from Buffalo Niagara International Airport (BUF) to central Buffalo

  • The centre of Buffalo is around 13 kilometres from Buffalo Niagara International Airport. Travel times by cab or car hire will vary depending on traffic conditions, so do some research ahead of time.

  • It'll take around 1 hour 15 minutes when travelling by public transport.

How to find the cheapest flights from Denver to Buffalo Niagara International Airport (BUF)

  • The cheapest price we've found for a one-way ticket from Denver to Buffalo Niagara International Airport is ₹ 9,113. For a return flight on this route, the best price is ₹ 17,304. Depending on how early you book and the availability, these fares could change.

  • Booking ahead of time is often the key to finding a cheap flight from Denver to BUF. Fares tend to rise as demand increases, so the closer your departure date, the more it could cost you.

  • Affordable Denver to Buffalo Niagara International Airport tickets are easier to find if you're not locked into specific dates. Try using the 'Whole month' tool to compare fares throughout the month and then choose the cheapest day.

  • Save time searching for cheap flight tickets from Denver to BUF by creating a Price Alert. We'll send you an email or notification through the app when a lower fare pops up.

  • Filters make it easier to save some cash on your flight from Denver to Buffalo Niagara International Airport. Choose the airlines, flight times and stops that check all your boxes. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from Denver to Buffalo Niagara International Airport (BUF)

  • Picture the kind of break you want when planning the timing of your trip. May is the quietest month to visit Buffalo. August is when most people book flights from Denver to Buffalo Niagara International Airport (BUF), which may be ideal if you're after more excitement.

  • Book a Denver to BUF flight ticket departing in July if you're eager to visit the city during its warmest month. You can expect temperatures in Buffalo to range from 15ºC to 28ºC.

  • Search for cheap tickets from Denver to Buffalo Niagara International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -10ºC and 2ºC.

More about Buffalo

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Buffalo right here. Explore these hotels once you've locked in your flight from Denver to Buffalo Niagara International Airport:

  • You'll find loads of exciting things to do in Buffalo when you're ready to sightsee. Kick off your itinerary at Frank Lloyd Wright's Darwin D. Martin House Complex followed by Albright-Knox Art Gallery and Forest Lawn.

Explore more of the United States

  • Cleveland is just one of the many cities in the United States waiting to be explored after you've seen Buffalo. Around 290 kilometres away to the south-west, top sights here include Rock & Roll Hall of Fame & Museum, Cleveland Museum of Art and Cleveland Museum of Natural History.

  • If you're interested in discovering another side of the United States, consider Pittsburgh, roughly 290 kilometres south of Buffalo. Andy Warhol Museum, Carnegie Museum of Art and The Frick Pittsburgh are key highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.