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FLG to FSI: distance & flight time
Flagstaff (Flagstaff Pulliam Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
752 mi
1,210 km · 654 nm
2h 6m
estimated nonstop flight time
+2h
time difference · heading east
See live FLG→FSI fares Phone-only fares on this route — call free
Flight time details
752 miles nonstop takes roughly 2h 6m 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
- FLG — Flagstaff Pulliam Airport · Flagstaff, 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 FLG
- SDX · Sedona Airport21 mi away
- PRC · Ernest A. Love Field54 mi away
- INW · Winslow Lindbergh Regional Airport54 mi away
- GCN · Grand Canyon National Park Airport62 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 FLG from FSI?
The flight distance from Flagstaff (FLG) to Fort Sill (FSI) is 752 miles (1,210 km, 654 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLG to FSI?
A nonstop flight takes about 2h 6m 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 Flagstaff and Fort Sill?
Fort Sill is 2 hours ahead of Flagstaff.
What is the cheapest way to fly from FLG to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLG–FSI that never appear on search engines, with no booking fees.