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DSM to BTM: distance & flight time
Des Moines (Des Moines International Airport) → Butte (Bert Mooney Airport)
986 mi
1,586 km · 857 nm
2h 37m
estimated nonstop flight time
-1h
time difference · heading northwest
See live DSM→BTM fares Phone-only fares on this route — call free
Flight time details
986 miles nonstop takes roughly 2h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- DSM — Des Moines International Airport · Des Moines, 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 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
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 DSM from BTM?
The flight distance from Des Moines (DSM) to Butte (BTM) is 986 miles (1,586 km, 857 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DSM to BTM?
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 DSM to BTM?
Nonstop service on DSM–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 2h 37m nonstop estimate.
What is the time difference between Des Moines and Butte?
Butte is 1 hour behind Des Moines.
What is the cheapest way to fly from DSM to BTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DSM–BTM that never appear on search engines, with no booking fees.
Why are some DSM to BTM fares phone-only?
Consolidator contracts let us sell certain DSM–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.