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BTM to SPF: distance & flight time
Butte (Bert Mooney Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
436 mi
702 km · 379 nm
1h 25m
estimated nonstop flight time
Same time
time difference · heading east
See live BTM→SPF fares Phone-only fares on this route — call free
Flight time details
436 miles nonstop takes roughly 1h 25m gate to gate, flying east. 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Frequently asked questions
How far is BTM from SPF?
The flight distance from Butte (BTM) to Spearfish-South Dakota (SPF) is 436 miles (702 km, 379 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BTM to SPF?
A nonstop flight takes about 1h 25m 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 BTM to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–SPF that never appear on search engines, with no booking fees.