Need help booking?
Unpublished phone-only deals available
FNT to FSI: distance & flight time
Flint (Bishop International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
974 mi
1,567 km · 846 nm
2h 35m
estimated nonstop flight time
-1h
time difference · heading southwest
See live FNT→FSI fares Phone-only fares on this route — call free
Flight time details
974 miles nonstop takes roughly 2h 35m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- FNT — Bishop International Airport · Flint, United States
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FNT
- DTW · Detroit Metropolitan Wayne County Airport56 mi away
- PTK · Oakland County International Airport26 mi away
- MBS · MBS International Airport43 mi away
- LAN · Capital City Airport45 mi away
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
Frequently asked questions
How far is FNT from FSI?
The flight distance from Flint (FNT) to Fort Sill (FSI) is 974 miles (1,567 km, 846 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNT to FSI?
A nonstop flight takes about 2h 35m 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 Flint and Fort Sill?
Fort Sill is 1 hour behind Flint.
What is the cheapest way to fly from FNT to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNT–FSI that never appear on search engines, with no booking fees.