Direct flights from Buffalo to Denver
All flights from BUF to DEN non-stop. There are direct flights from Buffalo Niagara International (BUF), New York, USA to Denver International (DEN), Colorado, USA with Southwest Airlines and United Airlines. 16 weekly departures are currently scheduled on this route. Departure times range from 05:05 to 17:25 depending on the schedule period. The flight distance is 1363 miles (2193 km). Flight time ranges from 3 hours and 20 minutes to 4 hours.
Buffalo
, USA
Flight schedule from Buffalo to Denver with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-07-13
Flight schedule from Buffalo to Denver with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-07-13
Buffalo to Denver scheduled departures
Select a date to see every published non-stop departure between BUF and DEN.
BUF - DEN route facts
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Distance1363 miles (2193 km)
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Flight time3 hours and 20 minutes to 4 hours
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Airlines Southwest United
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Airline alliancesLow-cost carrier Star Alliance
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CabinsEconomy Business First
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Hub airportsUnited Airlines: DEN
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AircraftSouthwest Airlines: Boeing 737MAX 8 Passenger, Boeing 737-800 (winglets) Passenger/BBJ2 and Boeing 737-700 Passenger (Scimitar Winglets)United Airlines: Boeing 737-800 Passenger, Airbus A320 and Boeing 737-900 Passenger
