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GTF to SPF: distance & flight time
Great Falls (Great Falls International Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
419 mi
674 km · 364 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading southeast
See live GTF→SPF fares Phone-only fares on this route — call free
Flight time details
419 miles nonstop takes roughly 1h 23m gate to gate, flying southeast. 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
- GTF — Great Falls International Airport · Great Falls, 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 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
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 GTF from SPF?
The flight distance from Great Falls (GTF) to Spearfish-South Dakota (SPF) is 419 miles (674 km, 364 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to SPF?
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 GTF to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–SPF that never appear on search engines, with no booking fees.