Buffalo to Denver (BUF–DEN) — 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.
BUF–DEN 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 30m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 15 | 738, 73H, 7M8, B38M | 3h25-3h30 | – | – | |
| UA United Airlines | 7 | 738 | 3h37 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Denver from Buffalo
| Metric | BUF→DEN | YYZ→DEN | YKF→DEN |
|---|---|---|---|
| Distance from BUF | – | 68 mi | 90 mi |
| Nonstop airlines | 2 | 13 | 1 |
| Weekly flights | 23 | 46 | – |
| Flight time | 3h 30m | 3h 31m | 3h 6m |
| Departure OTP | 86% | – | – |
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 Southwest Airlines and United Airlines. With 23 weekly departures, this is a well served route.
BUF to DEN Flight Duration and Schedule
Nonstop flight time from BUF to DEN is about 3 hours 30 minutes gate to gate. The route covers a distance of 1,356 miles (2,182 km). There are approximately 23 weekly flights outbound and 29 return, totaling 52 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Chicago Midway, Detroit Metropolitan Wayne County and Nashville. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Toronto (YYZ) and Breslau (YKF).