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£71 Cheap Flights from Buffalo (BUF) to Denver (DEN)

View £71 flight on Tue, 1 Sept 2026Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Denver International Airport (DEN)

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

Prices were available within the past 7 days and start at £71 for one-way flights and £184 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, 19 Aug - Wed, 26 Aug
BUF
Buffalo
DEN
Denver
£184 Return, found 3 days ago
£184
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 19 Aug from Buffalo to Denver, returning Wed, 26 Aug, priced at £184 found 3 days ago
JetBlue Airways
Wed, 2 Sept - Tue, 8 Sept
BUF
Buffalo
DEN
Denver
£194 Return, found 2 days ago
£194
Return
found 2 days ago
Select JetBlue Airways flight, departing Wed, 2 Sept from Buffalo to Denver, returning Tue, 8 Sept, priced at £194 found 2 days ago
JetBlue Airways
Wed, 2 Sept - Tue, 8 Sept
BUF
Buffalo
DEN
Denver
£205 Return, found 2 days ago
£205
Return
found 2 days ago
Select JetBlue Airways flight, departing Wed, 2 Sept from Buffalo to Denver, returning Tue, 8 Sept, priced at £205 found 2 days ago
JetBlue Airways
Mon, 17 Aug - Mon, 24 Aug
BUF
Buffalo
DEN
Denver
£216 Return, found 3 days ago
£216
Return
found 3 days ago
Select JetBlue Airways flight, departing Mon, 17 Aug from Buffalo to Denver, returning Mon, 24 Aug, priced at £216 found 3 days ago
JetBlue Airways
Wed, 19 Aug - Wed, 26 Aug
BUF
Buffalo
DEN
Denver
£225 Return, found 3 days ago
£225
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 19 Aug from Buffalo to Denver, returning Wed, 26 Aug, priced at £225 found 3 days ago
JetBlue Airways
Wed, 19 Aug - Wed, 26 Aug
BUF
Buffalo
DEN
Denver
£227 Return, found 3 days ago
£227
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 19 Aug from Buffalo to Denver, returning Wed, 26 Aug, priced at £227 found 3 days ago
JetBlue Airways
Wed, 19 Aug - Wed, 26 Aug
BUF
Buffalo
DEN
Denver
£233 Return, found 3 days ago
£233
Return
found 3 days ago
Select JetBlue Airways flight, departing Wed, 19 Aug from Buffalo to Denver, returning Wed, 26 Aug, priced at £233 found 3 days ago
JetBlue Airways
Wed, 2 Sept - Tue, 8 Sept
BUF
Buffalo
DEN
Denver
£236 Return, found 2 days ago
£236
Return
found 2 days ago
Select JetBlue Airways flight, departing Wed, 2 Sept from Buffalo to Denver, returning Tue, 8 Sept, priced at £236 found 2 days ago
JetBlue Airways
Wed, 2 Sept - Tue, 8 Sept
BUF
Buffalo
DEN
Denver
£247 Return, found 2 days ago
£247
Return
found 2 days ago
Select JetBlue Airways flight, departing Wed, 2 Sept from Buffalo to Denver, returning Tue, 8 Sept, priced at £247 found 2 days ago
JetBlue Airways
Wed, 2 Sept - Tue, 8 Sept
BUF
Buffalo
DEN
Denver
£247 Return, found 2 days ago
£247
Return
found 2 days ago
Select JetBlue Airways flight, departing Wed, 2 Sept from Buffalo to Denver, returning Tue, 8 Sept, priced at £247 found 2 days ago

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.) cost?
You can find one-way and return flights from BUF to DEN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BUF to DEN ticket fares go up or down.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.)?
The cheapest months to fly from BUF to DEN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.)?
There are 2 airlines offering direct flights from Buffalo Niagara Intl. (BUF) to Denver Intl. (DEN). Here are the carriers:
  • Southwest Airlines operates 8 direct flights from Buffalo Niagara Intl. to Denver Intl. every week.
  • United operates 7 direct flights from Buffalo Niagara Intl. to Denver Intl. every week.
How do I find cheap flights from Buffalo, NY (BUF) to Denver, CO (DEN)?
To find a cheap flight from Buffalo, NY (BUF) to Denver, CO (DEN), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Buffalo Niagara Intl. (BUF) to Denver Intl. (DEN) typically departs around 5:00 AM local time. This service is operated by American Airlines and is seasonal, active only in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.)?
A non-stop flight from Buffalo Niagara Intl. (BUF) to Denver Intl. (DEN) typically takes around 3 hours 30 minutes. This route covers a distance of approximately 2,182 kilometers. If you opt for a flight with one stop, your journey will usually take longer, averaging around 8 hours. Flights with two or more stops generally take about 10 hours 18 minutes. Keep in mind that these are average times, and actual flight durations can vary due to factors like wind patterns and specific routing.
Can you fly business or first class from Buffalo, NY (BUF) to Denver, CO (DEN)?
Select the "Business class" and "First class" filters when looking for Buffalo, NY (BUF) to Denver, CO (DEN) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Denver, CO (DEN) from Buffalo, NY (BUF)?
If you're planning to travel to Denver from Buffalo Niagara Intl. (BUF), you can fly directly into Denver Intl. (DEN). Some flights may connect through major hubs like Baltimore Washington Intl. Thurgood Marshall (BWI), Midway Intl. (MDW), or Nashville Intl. (BNA) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo, NY (BUF) to Denver, CO (DEN)?
If you booked your Buffalo, NY (BUF) to Denver, CO (DEN) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Denver Intl.
Airlines serving
JetBlue Airways
Return price
£183
Distance
2169 km
Average flight time
1 hour 46 mins

Book with confidence

Compare flights from Buffalo to Denver easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Buffalo to Denver. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Denver Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Buffalo Niagara Intl. to Denver Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Buffalo Niagara Intl. (BUF) to Denver Intl. (DEN)

The easiest way to view the best deals on flights from Buffalo to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Buffalo Niagara Intl. to Denver Intl. start at just £184 and range up to £247.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Buffalo and Denver
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Buffalo to Denver flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Buffalo Niagara Intl. to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Buffalo to Denver easily and book with confidence

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*Available to Expedia members.