Buffalo to Denver flights
Direct and connecting flights from Buffalo Niagara International Airport (BUF) to Denver International Airport (DEN) — airlines, aircraft types, and the safety record for this route.
Route FAQ
How long does the flight from Buffalo to Denver take?
Flight time from Buffalo (BUF) to Denver (DEN) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. The typical block time and frequency we have observed for this route are shown above.
Which airlines fly from Buffalo to Denver?
Airline availability for BUF to DEN changes by season and sometimes week to week as carriers adjust capacity. The airlines and aircraft types observed operating this route, both direct and connecting, are listed below based on real flight-tracking data.
Are there direct flights from Buffalo to Denver?
Direct (nonstop) availability on BUF to DEN varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons.
No fatal or serious occurrence involving any operator on this pair in the last 90 days.
- Southwest Airlines40
| Carrier | Sightings / 90d | Safety events |
|---|---|---|
| Southwest Airlines | 3 sightings | No recorded events |
Planning BUF → DEN
BUF to DEN is a medium-haul route of 2,182 km (1,356 mi). See the return DEN → BUF route.
Alternative airports near Buffalo: Niagara Falls (IAG) — 25 km, Saint Catherines (YCM) — 45 km, Dunkirk (DKK) — 66 km.
Alternative airports near Denver: Buckley (BFK) — 19 km, Denver (APA) — 36 km, Broomfield-CO (BJC) — 38 km.