BuffaloDenverNonstop Flight TimeBUF–DEN
Buffalo (Buffalo Niagara International Airport) to Denver (Denver International Airport).
Direct flights from BUF to DEN have an estimated flight time of about 3h 23m, based on the 1,356-mile great-circle distance. Our current captured departure sample includes 2-3/day across 2 captured airlines, with Southwest Airlines appearing most often in that sample. Captured departure times run from 05:05 to 17:25 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Route type | Captured freq. | Market |
|---|---|---|---|---|
| ~3h 23m Estimated from great-circle distance — no tracked flights yet. | 1,356 mi | Nonstop | 2-3/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured nonstop airlines for BUF to DEN
Our current provider sample includes 2-3/day direct flights from BUF to DEN across 2 captured airlines.
- First departure
- 05:05
- Last departure
- 17:25
- Cadence
- ~every 2 hours
- Captured departures/day
- 7
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Southwest Airlines | 1-2/day | Boeing 737 · Seat map | 05:0505:1512:40 |
Aircraft on this route
Flying the other way?
DEN to BUF flights — 2-3/day on 2 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for BUF to DEN, last seen June 15, 2026. Frequency uses 16 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from BUF to DEN?
The BUF to DEN flight time is estimated at about 3h 23m from great-circle distance until enough tracked flights are available.
How far is BUF from DEN?
BUF to DEN is about 1,356 miles by air.
Are there nonstop flights from BUF to DEN?
Yes. Captured schedules show 2-3/day from BUF to DEN on Southwest Airlines and United Airlines. Confirm live timetables before booking.
Which airlines fly from BUF to DEN?
Our current provider sample for BUF to DEN includes Southwest Airlines, United Airlines. Confirm live timetables before booking.
What aircraft fly from BUF to DEN?
Aircraft captured in our current provider sample for BUF to DEN include Boeing 737.
Route hubs
Nearby airport options
Near Buffalo
- YYZ - TorontoToronto Pearson International Airport · 68 mi from BUFFlights from YYZ