DEN - BUF

Find cheap flights from Denver to Buffalo

1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Buffalo

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Buffalo, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Denver to Buffalo, as well as popular online travel agencies
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Flight Deals

Cheap Flights from Denver to Buffalo (DEN-BUF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Denver to Buffalo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Denver to Buffalo

Multiple Airlines Logo
DEN-BUF
3509 kmmulti-stop
Multiple Airlines Logo
BUF-DEN
3509 kmmulti-stop
Multiple Airlines
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Everything you should know

Our travellers' advice
AI-generated summary based on content written by travel experts
Southwest's two free checked bags save on fees.
Frontier's Premium Bundle adds legroom for $20 more.
Expert advice
Expert advice
Expert advice
Expert advice
When to book
4 weeks
in advance
Our data shows that travellers who book at least 4 weeks in advance save around 37% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
September
Cheapest • 27% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Cheapest round-trip
Multiple Airlines
Tue 28/10
DEN - BUF • multi-stop
Cheapest one-way flights
Multiple Airlines
Tue 28/10
DEN - BUF • multi-stop
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Buffalo!
Booking Insights

KAYAK's insights & trends for Denver to Buffalo flights

Get data-powered insights and trends into flights from Denver to Buffalo to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Denver to Buffalo?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Denver to Buffalo, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Denver to Buffalo is September, where tickets cost C$ 341 (return) on average. On the other hand, the most expensive months are January and December, where the average cost of round-trip tickets is C$ 611 and C$ 579 respectively.

Can I save money by flying with a layover from Denver to Buffalo?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of C$ 500, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Denver to Buffalo?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Denver to Buffalo, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Denver to Buffalo, you should book around 4 weeks before departure, which saves you about 37% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 18 weeks before departure.

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Expert advice

Expert advice for your flight from Denver to Buffalo

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Frontier

Frontier's Premium Bundle offers priority boarding and extra legroom for just $20 more than Economy.


Avoid middle seats by selecting Economy Bundle for free Standard seat and carry-on bag.

Read more about Frontierby Stefanie Waldek
Southwest

Southwest's Rapid Rewards program offers unlimited rewards seats and no blackout dates, simplifying travel planning.


Southwest's Cash + Points option allows flexible booking, combining points and cash for flights.

Read more about Southwestby Blane Bachelor
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek

Stefanie Waldek

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Read more
Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more

Good to know

Low seasonFebruary
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 16% lower on average.

When to book flights from Denver to Buffalo

Are your dates flexible? Find out the best times to travel from Denver to Buffalo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Denver to Buffalo

  • How can I fly from DEN to BUF?

    There are major airlines flying direct and offering nonstop services along this route. Frontier and Southwest Airlines are some major airlines frequently operating between DEN and BUF nonstop. However, if you are traveling on a budget and want to save money, consider booking the one-stop option flights such as Delta, American and United Airlines, usually with layovers at multiple airports, including LAS, ORD and MSP.

  • Is Denver International Airport pet friendly?

    Yes, pets are welcome at Denver International Airport. There are several approved pet relief sites there. As a result, passengers traveling with dogs can benefit from these services to keep their animals comfortable after a long voyage. The pet relieving facilities provide sinks, disposable trash bags, and fire hydrants. They are located in the airport's Concourses B, A, and C. However, while at the airport, keeping your furry friends on a leash is vital unless you are using the pet relief facilities.

  • Is there parking lots at Denver International Airport?

    There are various parking lots at Denver International Airport that passengers who want to leave their cars at the airport while flying out of the city can utilize. If you are looking forward to parking long-term, you can choose to use the Mt Elbert Lot, The Economy lot, and Pikes Peak Lot. However, if you want to park for 12h or less, you can opt for the short-term parking lots located in Garage East on the arrivals level. The airport also offers complimentary shuttle services picking and dropping off passengers at these garages.

  • Are there any onsite hotels at BUF?

    There are many prestigious hotels in BUF where you can stay. Buffalo Airport Hotel and Aloft Buffalo Airport Hotel are the perfect options. These hotels are conveniently located and have first-rate amenities like plenty of parking, a fitness center, and an outdoor pool. Consider spending the night in one of these hotels if your flight is early in the morning.

  • Which airlines offer Wi-Fi service onboard planes from Denver to Buffalo?

    Only JetBlue offers inflight Wi-Fi service on the Denver to Buffalo flight route.

  • Which aircraft models fly most regularly from Denver to Buffalo?

    The Boeing 737-800 is the aircraft model that flies most regularly on the Denver to Buffalo flight route.

  • On which days can I fly direct from Denver to Buffalo?

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

  • How does KAYAK find such low prices on flights from Denver to Buffalo?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Denver to Buffalo.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Denver to Buffalo?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buffalo from Denver is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Denver to Buffalo?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buffalo with an airline and back to Denver with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Denver to Buffalo?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buffalo from Denver up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Denver to Buffalo

  • The Denver International Airport's (DEN) lounges are great for unwinding and finding tranquility. They are great for breakfast if you have an early morning check-in or delayed flights. Take advantage of the comfortable chairs, showers, cuisine, variety of alcoholic beverages, and Wi-Fi. No matter which airline you are flying, they are affordable and available to all travelers.
  • If you want to access DEN from downtown Denver, approximately 25 miles away, you can choose from multiple means of transport. For example, you can opt for taxis, rideshares or airport shuttle transfers. Taxis and rideshares take approximately 30min to cover this distance. However, they are a more expensive option compared to airport shuttle transfers.
  • When flying through Buffalo International Airport (BUF), there is never a shortage of things to do to pass the time before airport transfers. BUF has several amenities at the airport, including retail, free Wi-Fi, and financial services.
  • Passengers with hidden disabilities can ask for assistance and wheelchairs in both the departure and arrival airports. You should get in touch with your airline and let them know what services you require when flying through DEN. On the other side, you should also ask for wheelchairs ahead of time to prepare for your landing at BUF.
  • Passengers traveling through BUF with infants will find at least one distinctive, exceptional baby care facility near Gate 12 on the airside. These specialized nursing rooms aid children and their mothers be comfortable after the lengthy journey. Additionally, they have a variety of amenities and artwork, including power outlets, rocking chairs and baby changing tables.

Prefer to fly direct from Denver to Buffalo?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Denver Intl to Buffalo.
Find which airlines fly direct from Denver Intl Airport to Buffalo Airport, which days they fly and book direct flights.

Direct departures

Denver Intl to Buffalo

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Southwest,United Airlines

Southwest,United Airlines

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Southwest,United Airlines

Southwest,United Airlines

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines

Southwest,United Airlines

Sunday

Southwest,United Airlines

Southwest,United Airlines

See more nonstop flights

Direct returns

Buffalo to Denver Intl

Monday

Southwest,United Airlines

Southwest,United Airlines

Tuesday

Southwest,United Airlines

Southwest,United Airlines

Wednesday

Southwest,United Airlines

Southwest,United Airlines

Thursday

Southwest,United Airlines

Southwest,United Airlines

Friday

Southwest,United Airlines

Southwest,United Airlines

Saturday

Southwest,United Airlines

Southwest,United Airlines

Sunday

Southwest,United Airlines

Southwest,United Airlines

See more nonstop flights

Everything you need to know for your flight from Denver to Buffalo

Information on your arrival and departure airports

Denver (DEN)
Buffalo (BUF)

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