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YFX to YSM: distance & flight time
St. Lewis (St. Lewis (Fox Harbour) Airport) → Fort Smith (Fort Smith Airport)
2,156 mi
3,469 km · 1,873 nm
4h 42m
estimated nonstop flight time
-3.5h
time difference · heading northwest
See live YFX→YSM fares Phone-only fares on this route — call free
Flight time details
2,156 miles nonstop takes roughly 4h 42m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- YFX — St. Lewis (Fox Harbour) Airport · St. Lewis, Canada
- YSM — Fort Smith Airport · Fort Smith, 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 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Frequently asked questions
How far is YFX from YSM?
The flight distance from St. Lewis (YFX) to Fort Smith (YSM) is 2,156 miles (3,469 km, 1,873 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YFX to YSM?
A nonstop flight takes about 4h 42m 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 Smith?
Fort Smith is 3.5 hours behind St. Lewis.
What is the cheapest way to fly from YFX to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YFX–YSM that never appear on search engines, with no booking fees.