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BTM to DEN: distance & flight time
Butte (Bert Mooney Airport) → Denver (Denver International Airport)
577 mi
929 km · 502 nm
1h 43m
estimated nonstop flight time
Same time
time difference · heading southeast
See live BTM→DEN fares Phone-only fares on this route — call free
Flight time details
577 miles nonstop takes roughly 1h 43m gate to gate, flying southeast. 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
- BTM — Bert Mooney Airport · Butte, United States
- DEN — Denver International Airport · Denver, 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 BTM
- HLN · Helena Regional Airport51 mi away
- BZN · Gallatin Field66 mi away
- SMN · Lemhi County Airport88 mi away
- LVM · Mission Field100 mi away
Near DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is BTM from DEN?
The flight distance from Butte (BTM) to Denver (DEN) is 577 miles (929 km, 502 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to DEN?
A nonstop flight takes about 1h 43m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from BTM to DEN?
Nonstop service on BTM–DEN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 43m nonstop estimate.
What is the cheapest way to fly from BTM to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–DEN that never appear on search engines, with no booking fees.
Why are some BTM to DEN fares phone-only?
Consolidator contracts let us sell certain BTM–DEN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.