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RST to ALS: distance & flight time
Rochester (Rochester International Airport) → Alamosa (San Luis Valley Regional Bergman Field)
830 mi
1,335 km · 721 nm
2h 16m
estimated nonstop flight time
-1h
time difference · heading southwest
See live RST→ALS fares Phone-only fares on this route — call free
Flight time details
830 miles nonstop takes roughly 2h 16m 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
- RST — Rochester International Airport · Rochester, 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 RST
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 RST from ALS?
The flight distance from Rochester (RST) to Alamosa (ALS) is 830 miles (1,335 km, 721 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RST to ALS?
A nonstop flight takes about 2h 16m 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 Rochester and Alamosa?
Alamosa is 1 hour behind Rochester.
What is the cheapest way to fly from RST to ALS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RST–ALS that never appear on search engines, with no booking fees.