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YTL to FSI: distance & flight time
Big Trout Lake (Big Trout Lake Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,387 mi
2,233 km · 1,206 nm
3h 29m
estimated nonstop flight time
Same time
time difference · heading south
See live YTL→FSI fares Phone-only fares on this route — call free
Flight time details
1,387 miles nonstop takes roughly 3h 29m 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
- YTL — Big Trout Lake Airport · Big Trout Lake, 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 YTL
- YAX · Wapekeka Airport13 mi away
- XBE · Bearskin Lake Airport47 mi away
- XKS · Kasabonika Airport55 mi away
- KIF · Kingfisher Lake 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 YTL from FSI?
The flight distance from Big Trout Lake (YTL) to Fort Sill (FSI) is 1,387 miles (2,233 km, 1,206 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YTL to FSI?
A nonstop flight takes about 3h 29m 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 YTL to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YTL–FSI that never appear on search engines, with no booking fees.