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FSD to ALS: distance & flight time
Sioux Falls (Joe Foss Field Airport) → Alamosa (San Luis Valley Regional Bergman Field)
640 mi
1,030 km · 556 nm
1h 51m
estimated nonstop flight time
-1h
time difference · heading southwest
See live FSD→ALS fares Phone-only fares on this route — call free
Flight time details
640 miles nonstop takes roughly 1h 51m gate to gate, flying southwest. 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
- FSD — Joe Foss Field Airport · Sioux Falls, 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 FSD
- YKN · Chan Gurney Municipal Airport56 mi away
- MHE · Mitchell Municipal Airport66 mi away
- SPW · Spencer Municipal Airport82 mi away
- SUX · Sioux Gateway Col. Bud Day Field83 mi away
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 FSD from ALS?
The flight distance from Sioux Falls (FSD) to Alamosa (ALS) is 640 miles (1,030 km, 556 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSD to ALS?
A nonstop flight takes about 1h 51m 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 Sioux Falls and Alamosa?
Alamosa is 1 hour behind Sioux Falls.
What is the cheapest way to fly from FSD to ALS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSD–ALS that never appear on search engines, with no booking fees.