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YFX to FSI: distance & flight time
St. Lewis (St. Lewis (Fox Harbour) Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
2,418 mi
3,891 km · 2,101 nm
5h 12m
estimated nonstop flight time
-2.5h
time difference · heading west
See live YFX→FSI fares Phone-only fares on this route — call free
Flight time details
2,418 miles nonstop takes roughly 5h 12m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- YFX — St. Lewis (Fox Harbour) Airport · St. Lewis, 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 YFX
- YMH · Mary's Harbour Airport9 mi away
- YWM · Williams Harbour Airport14 mi away
- YHA · Port Hope Simpson Airport28 mi away
- YAY · St. Anthony Airport70 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 YFX from FSI?
The flight distance from St. Lewis (YFX) to Fort Sill (FSI) is 2,418 miles (3,891 km, 2,101 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YFX to FSI?
A nonstop flight takes about 5h 12m 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 St. Lewis and Fort Sill?
Fort Sill is 2.5 hours behind St. Lewis.
What is the cheapest way to fly from YFX to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YFX–FSI that never appear on search engines, with no booking fees.