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SPF to INL: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → International Falls (Falls International Airport)
568 mi
914 km · 493 nm
1h 42m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SPF→INL fares Phone-only fares on this route — call free
Flight time details
568 miles nonstop takes roughly 1h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- INL — Falls International Airport · International 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 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
Frequently asked questions
How far is SPF from INL?
The flight distance from Spearfish-South Dakota (SPF) to International Falls (INL) is 568 miles (914 km, 493 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to INL?
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 Spearfish-South Dakota and International Falls?
International Falls is 1 hour ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to INL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–INL that never appear on search engines, with no booking fees.