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LWS to YSM: distance & flight time
Lewiston (Lewiston Nez Perce County Airport) → Fort Smith (Fort Smith Airport)
965 mi
1,553 km · 839 nm
2h 34m
estimated nonstop flight time
+1h
time difference · heading north
See live LWS→YSM fares Phone-only fares on this route — call free
Flight time details
965 miles nonstop takes roughly 2h 34m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- LWS — Lewiston Nez Perce County Airport · Lewiston, United States
- 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 LWS
- PUW · Pullman Moscow Regional Airport26 mi away
- ALW · Walla Walla Regional Airport64 mi away
- GEG · Spokane International Airport89 mi away
- LGD · La Grande/Union County Airport89 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 LWS from YSM?
The flight distance from Lewiston (LWS) to Fort Smith (YSM) is 965 miles (1,553 km, 839 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LWS to YSM?
A nonstop flight takes about 2h 34m 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 Lewiston and Fort Smith?
Fort Smith is 1 hour ahead of Lewiston.
What is the cheapest way to fly from LWS to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LWS–YSM that never appear on search engines, with no booking fees.