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SPF to GTF: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Great Falls (Great Falls International Airport)
419 mi
674 km · 364 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading northwest
See live SPF→GTF fares Phone-only fares on this route — call free
Flight time details
419 miles nonstop takes roughly 1h 23m gate to gate, flying northwest. 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- GTF — Great Falls International Airport · Great Falls, 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 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
Near GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is SPF from GTF?
The flight distance from Spearfish-South Dakota (SPF) to Great Falls (GTF) is 419 miles (674 km, 364 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to GTF?
A nonstop flight takes about 1h 23m 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 SPF to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–GTF that never appear on search engines, with no booking fees.