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DEC to ALS: distance & flight time
Decatur (Decatur Airport) → Alamosa (San Luis Valley Regional Bergman Field)
931 mi
1,498 km · 809 nm
2h 29m
estimated nonstop flight time
-1h
time difference · heading west
See live DEC→ALS fares Phone-only fares on this route — call free
Flight time details
931 miles nonstop takes roughly 2h 29m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- DEC — Decatur Airport · Decatur, United States
- ALS — San Luis Valley Regional Bergman Field · Alamosa, 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 DEC
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
Frequently asked questions
How far is DEC from ALS?
The flight distance from Decatur (DEC) to Alamosa (ALS) is 931 miles (1,498 km, 809 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to ALS?
A nonstop flight takes about 2h 29m 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 Decatur and Alamosa?
Alamosa is 1 hour behind Decatur.
What is the cheapest way to fly from DEC to ALS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–ALS that never appear on search engines, with no booking fees.