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FNL to BTM: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Butte (Bert Mooney Airport)
535 mi
861 km · 465 nm
1h 38m
estimated nonstop flight time
Same time
time difference · heading northwest
See live FNL→BTM fares Phone-only fares on this route — call free
Flight time details
535 miles nonstop takes roughly 1h 38m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- BTM — Bert Mooney Airport · Butte, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Near BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Frequently asked questions
How far is FNL from BTM?
The flight distance from Fort Collins (FNL) to Butte (BTM) is 535 miles (861 km, 465 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to BTM?
A nonstop flight takes about 1h 38m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from FNL to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–BTM that never appear on search engines, with no booking fees.