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FSI to YFX: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → St. Lewis (St. Lewis (Fox Harbour) Airport)
2,418 mi
3,891 km · 2,101 nm
5h 12m
estimated nonstop flight time
+2.5h
time difference · heading northeast
See live FSI→YFX fares Phone-only fares on this route — call free
Flight time details
2,418 miles nonstop takes roughly 5h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- YFX — St. Lewis (Fox Harbour) Airport · St. Lewis, Canada
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 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
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
Frequently asked questions
How far is FSI from YFX?
The flight distance from Fort Sill (FSI) to St. Lewis (YFX) 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 FSI to YFX?
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 Fort Sill and St. Lewis?
St. Lewis is 2.5 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to YFX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–YFX that never appear on search engines, with no booking fees.