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LAM to YSM: distance & flight time
Los Alamos (Los Alamos Airport) → Fort Smith (Fort Smith Airport)
1,687 mi
2,715 km · 1,466 nm
3h 46m
estimated nonstop flight time
Same time
time difference · heading north
See live LAM→YSM fares Phone-only fares on this route — call free
Flight time details
1,687 miles nonstop takes roughly 3h 46m 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
- LAM — Los Alamos Airport · Los Alamos, 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 LAM
- SAF · Santa Fe Municipal Airport21 mi away
- TSM · Taos Regional Airport52 mi away
- ABQ · Albuquerque International Sunport61 mi away
- LVS · Las Vegas Municipal Airport65 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 LAM from YSM?
The flight distance from Los Alamos (LAM) to Fort Smith (YSM) is 1,687 miles (2,715 km, 1,466 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAM to YSM?
A nonstop flight takes about 3h 46m 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 LAM to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAM–YSM that never appear on search engines, with no booking fees.