Direct flights from Buffalo to Denver BUF → DEN

Southwest Airlines and United Airlines operate nonstop flights from Buffalo (BUF) to Denver (DEN). The nonstop flight takes around ~2h 44m, covering 1,356 miles (2,182 km). Updated 28 June 2026.

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Southwest Airlines WN United Airlines UA

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Frequently asked questions

Is there a direct flight from Buffalo to Denver?

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

Which airlines fly direct from Buffalo to Denver?

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

How long is the flight from Buffalo to Denver?

The nonstop flight from Buffalo to Denver takes ~2h 44m (approximately 2182 km).

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