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ALS to CSM: distance & flight time
Alamosa (San Luis Valley Regional Bergman Field) → Clinton (Clinton Sherman Airport)
398 mi
640 km · 346 nm
1h 31m
estimated nonstop flight time
+1h
time difference · heading east
See live ALS→CSM fares Phone-only fares on this route — call free
Flight time details
398 miles nonstop takes roughly 1h 31m gate to gate, flying east. 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
- ALS — San Luis Valley Regional Bergman Field · Alamosa, United States
- CSM — Clinton Sherman Airport · Clinton, United States
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 CSM
- HBR · Hobart Regional Airport26 mi away
- LTS · Altus Air Force Base47 mi away
- FSI · Henry Post Army Air Field (Fort Sill)66 mi away
- LAW · Lawton Fort Sill Regional Airport69 mi away
Frequently asked questions
How far is ALS from CSM?
The flight distance from Alamosa (ALS) to Clinton (CSM) is 398 miles (640 km, 346 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALS to CSM?
A nonstop flight takes about 1h 31m 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 Alamosa and Clinton?
Clinton is 1 hour ahead of Alamosa.
What is the cheapest way to fly from ALS to CSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALS–CSM that never appear on search engines, with no booking fees.