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FSI to LAF: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Lafayette (Purdue University Airport)
743 mi
1,195 km · 645 nm
2h 5m
estimated nonstop flight time
+1h
time difference · heading northeast
See live FSI→LAF fares Phone-only fares on this route — call free
Flight time details
743 miles nonstop takes roughly 2h 5m 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 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 FSI from LAF?
The flight distance from Fort Sill (FSI) to Lafayette (LAF) is 743 miles (1,195 km, 645 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to LAF?
A nonstop flight takes about 2h 5m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from FSI to LAF?
Nonstop service on FSI–LAF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 5m nonstop estimate.
What is the time difference between Fort Sill and Lafayette?
Lafayette is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to LAF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–LAF that never appear on search engines, with no booking fees.
Why are some FSI to LAF fares phone-only?
Consolidator contracts let us sell certain FSI–LAF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.