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BTM to DSM: distance & flight time
Butte (Bert Mooney Airport) → Des Moines (Des Moines International Airport)
986 mi
1,586 km · 857 nm
2h 37m
estimated nonstop flight time
+1h
time difference · heading east
See live BTM→DSM fares Phone-only fares on this route — call free
Flight time details
986 miles nonstop takes roughly 2h 37m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- BTM — Bert Mooney Airport · Butte, United States
- DSM — Des Moines International Airport · Des Moines, 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 DSM
- OTM · Ottumwa Regional Airport70 mi away
- FOD · Fort Dodge Regional Airport75 mi away
- ALO · Waterloo Regional Airport96 mi away
- CID · The Eastern Iowa Airport104 mi away
Frequently asked questions
How far is BTM from DSM?
The flight distance from Butte (BTM) to Des Moines (DSM) is 986 miles (1,586 km, 857 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to DSM?
A nonstop flight takes about 2h 37m 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 DSM?
Nonstop service on BTM–DSM 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 2h 37m nonstop estimate.
What is the time difference between Butte and Des Moines?
Des Moines is 1 hour ahead of Butte.
What is the cheapest way to fly from BTM to DSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–DSM that never appear on search engines, with no booking fees.
Why are some BTM to DSM fares phone-only?
Consolidator contracts let us sell certain BTM–DSM 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.