Direct flights from Buffalo to Denver
16 nonstop flights a week on 2 airlines. Zero layovers — one hop from BUF to DEN.
Flight time: about 2h49m 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 SWA3974 | 5:20a | 2h47m | Sun |
| Southwest SWA1514 | 5:32a | 2h49m | Sat |
| United UAL1727 | 9:02a | 2h51m | Tue |
| United UAL1727 | 9:06a | 2h55m | Mon, Thu, Fri, Sun |
| United UAL1727 | 9:28a | 2h55m | Wed |
| United UAL1727 | 9:45a | 2h57m | Sat |
| Southwest SWA739 | 1:22p | 2h42m | Tue–Wed |
| Southwest SWA3413 | 5:17p | 2h44m | Mon, Fri |
| Southwest SWA3413 | 5:35p | 2h48m | Thu |
| Southwest SWA450 | 5:40p | 2h49m | Sat |
| Southwest SWA2589 | 7:55p | 2h45m | Sun |
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 16 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 July 2026 from observed departures.
Route data updated July 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 2h49m 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 2h49m.