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MLI to FSI: distance & flight time
Moline (Quad City International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
636 mi
1,023 km · 553 nm
1h 51m
estimated nonstop flight time
Same time
time difference · heading southwest
See live MLI→FSI fares Phone-only fares on this route — call free
Flight time details
636 miles nonstop takes roughly 1h 51m gate to gate, flying southwest. 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
- MLI — Quad City International Airport · Moline, 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 MLI
- CWI · Clinton Municipal Airport28 mi away
- GBG · Galesburg Municipal Airport35 mi away
- IOW · Iowa City Municipal Airport55 mi away
- BRL · Southeast Iowa Regional Airport56 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 MLI from FSI?
The flight distance from Moline (MLI) to Fort Sill (FSI) is 636 miles (1,023 km, 553 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MLI to FSI?
A nonstop flight takes about 1h 51m 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 MLI to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MLI–FSI that never appear on search engines, with no booking fees.