Denver to Buffalo (DEN–BUF) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
DEN–BUF is served by 2 airlines with nonstop service. United Airlines and Southwest Airlines lead the route. The flight covers 1,356 miles in approximately 3h 5m. Beyond nonstop, 39 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 14 | 738 | 3h15-3h17 | Star Alliance | – | |
| WN Southwest Airlines | 1 | 7S7 | 3h05 | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
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 United Airlines and Southwest Airlines. With 15 weekly departures, this is a well served route.
DEN to BUF Flight Duration and Schedule
Nonstop flight time from DEN to BUF ranges from 3 hours 5 minutes to 3 hours 17 minutes. The route covers a distance of 1,356 miles (2,182 km). There are approximately 15 weekly flights outbound and 8 return, totaling 23 flights per week in both directions.
Connecting Options and Alternatives
39 one-stop connections are available, with the fastest taking approximately 4 hours via DAL. Two-stop connections are also available via intermediate hubs.