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YSG to FSI: distance & flight time
Lutselk'e (Lutselk'e Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,991 mi
3,205 km · 1,730 nm
4h 22m
estimated nonstop flight time
—
time difference · heading south
See live YSG→FSI fares Phone-only fares on this route — call free
Flight time details
1,991 miles nonstop takes roughly 4h 22m gate to gate, flying south. 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
- YSG — Lutselk'e Airport · Lutselk'e, Canada
- 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 YSG
- YZF · Yellowknife Airport120 mi away
- YFR · Fort Resolution Airport130 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 YSG from FSI?
The flight distance from Lutselk'e (YSG) to Fort Sill (FSI) is 1,991 miles (3,205 km, 1,730 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSG to FSI?
A nonstop flight takes about 4h 22m 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 YSG to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSG–FSI that never appear on search engines, with no booking fees.