Buffalo to Denver (BUF–DEN) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
BUF–DEN 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 35m. Beyond nonstop, 40 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 7 | 738 | 3h44 | Star Alliance | – | |
| WN Southwest Airlines | 1 | 7S7 | 3h35 | – | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Denver from Buffalo
| Metric | BUF→DEN | YYZ→DEN |
|---|---|---|
| Distance from BUF | – | 68 mi |
| Nonstop airlines | 2 | 4 |
| Weekly flights | 8 | 36 |
| Flight time | 3h 35m | 3h |
| Departure OTP | 0% | – |
Travel Essentials
BUF: EDT · DEN: MDT
When it's 6:00 PM in Buffalo, it's 4:00 PM in Denver.
RTD A Line runs to Denver Union Station (37 min, $10.50) with connections to light rail and bus routes. Taxis have meters; expect $55–65 to downtown.DEN's tent-roof Jeppesen Terminal is a single building; all three concourses connect via the underground automated train. Rental cars are on level 5. For ski resorts, shuttle services depart from Ground Transportation.
Semi-arid with 300+ days of sunshine. Summers are dry and warm (27–34°C) with afternoon thunderstorms that produce dramatic but brief delays. Winters bring cold temperatures (−8 to 5°C) and heavy blizzards that can shut down ground operations.
Spring snowstorms can be heavier than midwinter ones. Altitude (5,430 ft) means low humidity year-round; stay hydrated.
BUF–DEN Quick Facts
Frequently Asked Questions
Flights from BUF to DEN
Buffalo Niagara International Airport (BUF) and Denver International Airport (DEN) are connected by nonstop service from United Airlines and Southwest Airlines. With 8 weekly departures, this is a regularly served route.
BUF to DEN Flight Duration and Schedule
Nonstop flight time from BUF to DEN ranges from 3 hours 35 minutes to 3 hours 44 minutes. The route covers a distance of 1,356 miles (2,182 km). There are approximately 8 weekly flights outbound and 15 return, totaling 23 flights per week in both directions.
Connecting Options and Alternatives
40 one-stop connections are available, with the fastest taking approximately 4 hours via STL. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Toronto (YYZ).