Denver to Buffalo (DEN–BUF) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
DEN–BUF is served by 2 airlines with nonstop service. Southwest Airlines and United Airlines lead the route. The flight covers 1,356 miles in approximately 3h 10m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 15 | 737, 73H, 7M8, 7S7 | 2h40-3h15 | – | – | |
| UA United Airlines | 14 | 738, 7M8 | 3h12 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Buffalo from Denver
| Metric | DEN→BUF | EGE→BUF |
|---|---|---|
| Distance from DEN | – | 120 mi |
| Nonstop airlines | 2 | 2 |
| Weekly flights | 29 | – |
| Flight time | 3h 10m | 3h 8m |
| Departure OTP | 70% | – |
Travel Essentials
DEN: MDT · BUF: EDT
When it's 6:00 PM in Denver, it's 8:00 PM in Buffalo.
RTD A Line commuter rail runs from Denver Union Station to the airport (37 min, $10.50). Trains depart every 15 minutes during peak hours. The airport is 25 miles northeast of downtown; ride-shares cost $35–55 and take 30–45 minutes depending on I-70 traffic.Economy parking in lots 4–6 connects via free shuttle. Mountain shuttle services depart from Jeppesen Terminal's Ground Transportation level.
DEN–BUF Quick Facts
Frequently Asked Questions
Flights from DEN to BUF
Denver International Airport (DEN) and Buffalo Niagara International Airport (BUF) are connected by nonstop service from Southwest Airlines and United Airlines. With 29 weekly departures, this is a heavily served route.
DEN to BUF Flight Duration and Schedule
Nonstop flight time from DEN to BUF is about 3 hours 10 minutes gate to gate. The route covers a distance of 1,356 miles (2,182 km). There are approximately 29 weekly flights outbound and 23 return, totaling 52 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Chicago Midway, Minneapolis–Saint Paul and Nashville. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Eagle (EGE).