฿5,530 Cheap Flights from Buffalo (BUF) to Denver (DEN)

View ฿5,530 flight on Sat, 18 Oct 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿5,530 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Buffalo (BUF) to Denver (DEN)

January is typically the cheapest month to fly

From ฿3,844 - ฿12,167 per traveller.

Graph displaying average flight prices per month

Flight from Buffalo to Denver route information
Origin airport
Buffalo Niagara Intl.
Destination airport
Denver Intl.
Distance
2169 km
Average flight time
1 hour 33 mins

Perfect flights from Buffalo to Denver

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Buffalo to Denver. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Buffalo Niagara Intl. to Denver Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿5,530 and roundtrip prices . Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Denver Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Denver.

Frequently asked questions

How much is a flight from Buffalo Niagara International Airport to Denver Airport?
Round-trip flights from Buffalo Niagara International Airport to DIA airport start from . This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Buffalo Niagara Intl. Airport (BUF) to DIA airport?
When it comes to cancellation fees, every airline has different terms and conditions. If you decide to cancel your trip, head to our Customer Service Portal.
How do I find cheap flights from Buffalo Niagara International Airport to Denver Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Buffalo Niagara International Airport to Denver Intl. Airport (DEN) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BUF to Denver Airport?
It's around 2,200 kilometres from Buffalo to Denver, so you'll be in your seat for a while. Keep yourself occupied by packing things like a magazine or a good old-fashioned book.
Which airlines fly direct from Buffalo Niagara International Airport to DIA airport?
Southwest Airlines (WN) is one of the preferred choices for travellers jetting between Buffalo Niagara Intl. Airport (BUF) and Denver Intl. Airport (DEN). Take your pick of the 26 flights it offers on this route each month. For more options, check out the ticket prices from Frontier Airlines (F9). This carrier operates 26 flights a month between these airports.
Are Buffalo Niagara Intl. Airport (BUF) to Denver Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so it's no sure thing. While last-minute flight deals between BUF and DIA airport are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some carriers announce their prices up to 12 months before the departure date. Expedia is continuously updating the biggest bargains around, so keep checking and be ready to book when the price dips.

Explore a world of travel with Expedia

*Available to Expedia members.