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SPF to ALS: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Alamosa (San Luis Valley Regional Bergman Field)
499 mi
803 km · 433 nm
1h 33m
estimated nonstop flight time
Same time
time difference · heading south
See live SPF→ALS fares Phone-only fares on this route — call free
Flight time details
499 miles nonstop takes roughly 1h 33m gate to gate, flying south. 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 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 SPF from ALS?
The flight distance from Spearfish-South Dakota (SPF) to Alamosa (ALS) is 499 miles (803 km, 433 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to ALS?
A nonstop flight takes about 1h 33m 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 SPF to ALS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–ALS that never appear on search engines, with no booking fees.