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YZH to YSM: distance & flight time
Slave Lake (Slave Lake Airport) → Fort Smith (Fort Smith Airport)
343 mi
552 km · 298 nm
1h 22m
estimated nonstop flight time
Same time
time difference · heading north
See live YZH→YSM fares Phone-only fares on this route — call free
Flight time details
343 miles nonstop takes roughly 1h 22m gate to gate, flying north. 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
- YZH — Slave Lake Airport · Slave Lake, 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 YZH
- YZU · Whitecourt Airport89 mi away
- YPE · Peace River Airport122 mi away
- YXD · Edmonton City Centre (Blatchford Field) Airport129 mi away
- YET · Edson Airport136 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 YZH from YSM?
The flight distance from Slave Lake (YZH) to Fort Smith (YSM) is 343 miles (552 km, 298 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YZH to YSM?
A nonstop flight takes about 1h 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 YZH to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YZH–YSM that never appear on search engines, with no booking fees.