$109 Cheap United flights Denver (DEN) to Buffalo (BUF)

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$109 Cheap United flights Denver (DEN) to Buffalo (BUF)

Prices were available within the past 7 days and start at $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Flights from Denver (DEN) to Buffalo (BUF)
Origin airport
Denver Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Popular airline
JetBlue Airways
Distance
1355 mi
Average flight time
5 hours 6 mins

Frequently asked questions

How much is a United Airlines flight from Denver Intl. Airport (DEN) to Buffalo Niagara Intl. Airport (BUF)?
Scoring cheap one-way United Airlines flights from DEN to BUF from $109 on Expedia couldn't be easier --- just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $217 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to BUF with United Airlines?
United Airlines flights to Buffalo are typically more affordable in the off-peak months of January and February. Whether you need a one-way or a return ticket, you could find a better deal then.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Buffalo Niagara Intl. Airport (BUF) with United Airlines?
To find cheap United Airlines fares from Denver Intl. Airport (DEN) to Buffalo Niagara Intl. Airport (BUF), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence how much you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Denver Intl. Airport (DEN) to Buffalo Niagara Intl. Airport (BUF)?
To see if there's a direct trip from DEN to BUF with United Airlines or any other carriers, select the "Nonstop" filter when searching for tickets.
What is the earliest United Airlines flight from DEN to BUF?
Find United Airlines's earliest flights from DEN to BUF by using our "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Buffalo?
Jump on a United Airlines flight from Denver Intl. Airport (DEN) to Buffalo, and you'll likely arrive at Buffalo Niagara Intl. Airport (BUF). This is the airline's main hub here.
Why fly with United Airlines from DEN to BUF?
Fly from DEN to BUF with United Airlines and you can look forward to a host of benefits including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Denver Intl. Airport (DEN) to Buffalo Niagara Intl. Airport (BUF)?
It's usually possible to modify or cancel your flight, although there may be additional charges if you made your booking more than 24 hours ago. Prefer to keep your options open? Apply the "Changes included" or "No cancel fee" filter to find flights that won't penalize you if you need to alter your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more details.

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