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HLN to BTM: distance & flight time
Helena (Helena Regional Airport) → Butte (Bert Mooney Airport)
51 mi
83 km · 45 nm
36m
estimated nonstop flight time
Same time
time difference · heading southwest
See live HLN→BTM fares Phone-only fares on this route — call free
Flight time details
51 miles nonstop takes roughly 36m gate to gate, flying southwest. 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
- HLN — Helena Regional Airport · Helena, 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 HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 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 HLN from BTM?
The flight distance from Helena (HLN) to Butte (BTM) is 51 miles (83 km, 45 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HLN to BTM?
A nonstop flight takes about 36m 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 HLN to BTM?
Nonstop service on HLN–BTM 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 36m nonstop estimate.
What is the cheapest way to fly from HLN to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HLN–BTM that never appear on search engines, with no booking fees.
Why are some HLN to BTM fares phone-only?
Consolidator contracts let us sell certain HLN–BTM 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.