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ALS to YSM: distance & flight time
Alamosa (San Luis Valley Regional Bergman Field) → Fort Smith (Fort Smith Airport)
1,583 mi
2,548 km · 1,376 nm
3h 34m
estimated nonstop flight time
Same time
time difference · heading north
See live ALS→YSM fares Phone-only fares on this route — call free
Flight time details
1,583 miles nonstop takes roughly 3h 34m 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
- ALS — San Luis Valley Regional Bergman Field · Alamosa, 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 ALS
- TSM · Taos Regional Airport68 mi away
- RTN · Raton Municipal-Crews Field89 mi away
- PUB · Pueblo Memorial Airport95 mi away
- GUC · Gunnison Crested Butte Regional Airport96 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 ALS from YSM?
The flight distance from Alamosa (ALS) to Fort Smith (YSM) is 1,583 miles (2,548 km, 1,376 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALS to YSM?
A nonstop flight takes about 3h 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 cheapest way to fly from ALS to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALS–YSM that never appear on search engines, with no booking fees.