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SPF to FNL: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Fort Collins (Northern Colorado Regional Airport)
285 mi
459 km · 248 nm
1h 13m
estimated nonstop flight time
Same time
time difference · heading south
See live SPF→FNL fares Phone-only fares on this route — call free
Flight time details
285 miles nonstop takes roughly 1h 13m gate to gate, flying south. 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
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Frequently asked questions
How far is SPF from FNL?
The flight distance from Spearfish-South Dakota (SPF) to Fort Collins (FNL) is 285 miles (459 km, 248 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to FNL?
A nonstop flight takes about 1h 13m 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 FNL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–FNL that never appear on search engines, with no booking fees.