Direct flights from Denver to Buffalo DEN → BUF

Southwest Airlines and United Airlines fly nonstop from Denver (DEN) to Buffalo (BUF), daily. The flight takes about 3h 18m and covers 1,356 miles (2,182 km). Arrivals run on time 80.3% at DEN and 72.7% at BUF — BTS data for the last three months, counting arrivals within 15 minutes of schedule.

🔔 Watch DEN → BUF

We'll run this search daily and email you the cheapest direct fares we find.

Free · checked daily · one-click unsubscribe

Southwest Airlines WN United Airlines UA

More nonstops from Denver

DEN → SLC Salt Lake City 7 airlines DEN → ORD Chicago 6 airlines DEN → SEA Seattle 6 airlines DEN → CVG Cincinnati 5 airlines DEN → PHL Philadelphia 5 airlines DEN → PHX Phoenix 5 airlines DEN → ATL Atlanta 4 airlines DEN → ICT Wichita 4 airlines

Frequently asked questions

Is there a direct flight from Denver to Buffalo?

Yes, Southwest Airlines and United Airlines operate nonstop flights from Denver (DEN) to Buffalo (BUF).

Which airlines fly direct from Denver to Buffalo?

Southwest Airlines, United Airlines operate nonstop flights from Denver to Buffalo.

How long is the flight from Denver to Buffalo?

The nonstop flight from Denver to Buffalo takes ~3h 18m (approximately 2182 km).

How often do direct flights operate from Denver to Buffalo?

Nonstop flights from Denver to Buffalo operate daily.

What is the on-time performance for flights from Denver to Buffalo?

Arrivals run on time 80.3% at DEN and 72.7% at BUF — BTS data for the last three months, counting arrivals within 15 minutes of schedule.

Explore More

DEN All direct flights from Denver BUF All direct flights from Buffalo BUF → DEN Return: Buffalo to Denver

Scout — our search agent — hunts nonstop fares from Denver every night and pings you when one's worth booking.

Watch it work →