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SPF to BIL: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Billings (Billings Logan International Airport)
249 mi
401 km · 217 nm
1h 7m
estimated nonstop flight time
Same time
time difference · heading northwest
See live SPF→BIL fares Phone-only fares on this route — call free
Flight time details
249 miles nonstop takes roughly 1h 7m 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
- BIL — Billings Logan International Airport · Billings, 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 BIL
- COD · Yellowstone Regional Airport92 mi away
- LVM · Mission Field92 mi away
- LWT · Lewistown Municipal Airport96 mi away
- SHR · Sheridan County Airport105 mi away
Frequently asked questions
How far is SPF from BIL?
The flight distance from Spearfish-South Dakota (SPF) to Billings (BIL) is 249 miles (401 km, 217 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to BIL?
A nonstop flight takes about 1h 7m 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 BIL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–BIL that never appear on search engines, with no booking fees.