CA $164 Cheap Flights from Denver (DEN) to Buffalo (BUF)

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

  • 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 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at CA $164 for one-way flights and CA $327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
American Airlines
American Airlines
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
United

Frequently asked questions

How much is a flight from Denver Airport to BUF?
Round-trip tickets from DEN to Buffalo Niagara Intl. Airport (BUF) start from CA $327. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP 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 Denver Airport to Buffalo Niagara International Airport?
The majority of flights can be canceled online, but each airline has different terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from DIA airport to Buffalo Niagara International 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 DEN to BUF flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from DIA airport to Buffalo Niagara International Airport?
The flying distance from Denver Intl. Airport (DEN) to Buffalo Niagara Intl. Airport (BUF) is 2,200 kilometers. Listen to your favorite tunes or make a start on the latest bestseller and the journey will fly by.
Which airlines fly direct from DEN to Buffalo Niagara International Airport?
Many adventurers choose to fly with Southwest Airlines (WN) from DIA airport to BUF. This leading airline offers 26 monthly flights, so you can pick a flight time that’s perfect for you. You could also check out fares with Frontier Airlines (F9). It operates 26 flights every month between Denver and Buffalo.
Are DIA airport to BUF flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Denver Intl. Airport (DEN) to BUF are available up to a year before departure on Expedia. And although you may occasionally pick up a fantastic last-minute deal, it’s never a sure thing. Also, booking your flights ahead of time means you’ll have more options — and you can avoid ending up with the dreaded middle seat! We’re always updating our fares to bring you the biggest bargains, so keep checking in for all the latest specials.
*Available to Expedia members.