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INL to SPF: distance & flight time
International Falls (Falls International Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
568 mi
914 km · 493 nm
1h 42m
estimated nonstop flight time
-1h
time difference · heading southwest
See live INL→SPF fares Phone-only fares on this route — call free
Flight time details
568 miles nonstop takes roughly 1h 42m gate to gate, flying southwest. 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
- INL — Falls International Airport · International 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 INL
- YAG · Fort Frances Municipal Airport6 mi away
- BDE · Baudette International Airport56 mi away
- YIB · Atikokan Municipal Airport82 mi away
- HIB · Range Regional Airport86 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 INL from SPF?
The flight distance from International Falls (INL) to Spearfish-South Dakota (SPF) is 568 miles (914 km, 493 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INL to SPF?
A nonstop flight takes about 1h 42m 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 time difference between International Falls and Spearfish-South Dakota?
Spearfish-South Dakota is 1 hour behind International Falls.
What is the cheapest way to fly from INL to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INL–SPF that never appear on search engines, with no booking fees.