Need help booking?
Unpublished phone-only deals available
SPF to LAF: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Lafayette (Purdue University Airport)
902 mi
1,451 km · 784 nm
2h 26m
estimated nonstop flight time
+2h
time difference · heading east
See live SPF→LAF fares Phone-only fares on this route — call free
Flight time details
902 miles nonstop takes roughly 2h 26m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-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
- LAF — Purdue University Airport · Lafayette, 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 LAF
- DNV · Vermilion Regional Airport38 mi away
- RNZ · Jasper County Airport39 mi away
- GUS · Grissom Air Reserve Base44 mi away
- OKK · Kokomo Municipal Airport47 mi away
Frequently asked questions
How far is SPF from LAF?
The flight distance from Spearfish-South Dakota (SPF) to Lafayette (LAF) is 902 miles (1,451 km, 784 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to LAF?
A nonstop flight takes about 2h 26m 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 Lafayette?
Lafayette is 2 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to LAF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–LAF that never appear on search engines, with no booking fees.