Direct flights from Buffalo to Denver
15 nonstop flights a week on 2 airlines. Zero layovers — one hop from BUF to DEN.
Flight time: about 3h8m nonstop
Which days does it fly?
When does it fly?
Departure times in Buffalo local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| Southwest SWA760 | 6:57a | 3h11m | Sat |
| Southwest SWA437 | 6:59a | 3h12m | Mon, Thu, Fri |
| United UAL1727 | 9:02a | 3h1m | Mon, Tue, Sat, Sun |
| United UAL1727 | 9:08a | 3h5m | Wed–Thu |
| United UAL1727 | 9:17a | 2h57m | Fri |
| Southwest SWA4564 | 4:14p | 3h4m | Tue |
| Southwest SWA4564 | 4:50p | 3h20m | Wed |
| Southwest SWA2904 | 5:20p | 3h15m | Sun |
| Southwest SWA569 | 6:02p | 3h8m | Sat |
Southwest
UnitedThe route
One hop: BUF → DENDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Buffalo (BUF) to Denver (DEN)
Buffalo Niagara International Airport (BUF) has 15 nonstop flights a week to Denver (DEN), operated by Southwest and United. No layovers, no connections — one hop out of BUF and you're there.
This route flies every day of the week, so any travel day works. Route data updated September 2026 from observed departures.
Route data updated September 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Buffalo to Denver?
The nonstop flight from Buffalo (BUF) to Denver (DEN) takes about 3h8m in the air, based on recently observed nonstop departures.
How long does it take to drive from Buffalo to Denver?
Driving from Buffalo to Denver takes about 22h 31m behind the wheel — roughly 1,524 miles, or about 2 days of real driving. The nonstop flight takes about 3h8m.