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FSI to SEF: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Sebring (Sebring Regional Airport)
1,123 mi
1,808 km · 976 nm
2h 55m
estimated nonstop flight time
+1h
time difference · heading east
See live FSI→SEF fares Phone-only fares on this route — call free
Flight time details
1,123 miles nonstop takes roughly 2h 55m gate to gate, flying east. 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
- SEF — Sebring Regional Airport · Sebring, 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 SEF
- AVO · Avon Park Executive Airport15 mi away
- MCO · Orlando International Airport67 mi away
- OBE · Okeechobee County Airport33 mi away
- TPA · Tampa International Airport81 mi away
Frequently asked questions
How far is FSI from SEF?
The flight distance from Fort Sill (FSI) to Sebring (SEF) is 1,123 miles (1,808 km, 976 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to SEF?
A nonstop flight takes about 2h 55m 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 Fort Sill and Sebring?
Sebring is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to SEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–SEF that never appear on search engines, with no booking fees.