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LMT to YSM: distance & flight time
Klamath Falls (Crater Lake-Klamath Regional Airport) → Fort Smith (Fort Smith Airport)
1,302 mi
2,095 km · 1,131 nm
3h 18m
estimated nonstop flight time
+1h
time difference · heading north
See live LMT→YSM fares Phone-only fares on this route — call free
Flight time details
1,302 miles nonstop takes roughly 3h 18m 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
- LMT — Crater Lake-Klamath Regional Airport · Klamath Falls, 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 LMT
- MFR · Rogue Valley International Medford Airport60 mi away
- LKV · Lake County Airport68 mi away
- RDD · Redding Municipal Airport117 mi away
- CEC · Jack Mc Namara Field Airport131 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 LMT from YSM?
The flight distance from Klamath Falls (LMT) to Fort Smith (YSM) is 1,302 miles (2,095 km, 1,131 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LMT to YSM?
A nonstop flight takes about 3h 18m 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 Klamath Falls and Fort Smith?
Fort Smith is 1 hour ahead of Klamath Falls.
What is the cheapest way to fly from LMT to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LMT–YSM that never appear on search engines, with no booking fees.