Great Falls to Denver (GTF–DEN) — Airlines, Schedules & Connections
No flights match your filters.
No nonstop flights on this route. connecting options below.
GTF–DEN is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 623 miles in approximately 2h 5m. Beyond nonstop, 10 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 28 | 319 | 2h05-2h09 | – | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Denver from Great Falls
| Metric | GTF→DEN | HLN→DEN | BZN→DEN |
|---|---|---|---|
| Distance from GTF | – | 67 mi | 118 mi |
| Nonstop airlines | 1 | 1 | 5 |
| Weekly flights | 28 | 14 | 93 |
| Flight time | 2h 5m | 1h 50m | 1h 1m |
Travel Essentials
GTF: MDT · DEN: MDT
When it's 6:00 PM in Great Falls, it's 6:00 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.
GTF–DEN Quick Facts
Frequently Asked Questions
Flights from GTF to DEN
Great Falls International Airport (GTF) and Denver International Airport (DEN) are connected by nonstop service from United Airlines. With 28 weekly departures, this is a heavily served route.
GTF to DEN Flight Duration and Schedule
Nonstop flight time from GTF to DEN ranges from 2 hours 5 minutes to 2 hours 9 minutes. The route covers a distance of 623 miles (1,003 km). There are approximately 28 weekly flights outbound and 28 return, totaling 56 flights per week in both directions.
Connecting Options and Alternatives
10 one-stop connections are available, with the fastest taking approximately 4 hours via BOI. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Helena (HLN), Bozeman (BZN) and Butte (BTM).