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RFD to ALS: distance & flight time
Rockford (Chicago Rockford International Airport) → Alamosa (San Luis Valley Regional Bergman Field)
947 mi
1,524 km · 823 nm
2h 32m
estimated nonstop flight time
-1h
time difference · heading west
See live RFD→ALS fares Phone-only fares on this route — call free
Flight time details
947 miles nonstop takes roughly 2h 32m 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
- RFD — Chicago Rockford International Airport · Rockford, 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 RFD
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 RFD from ALS?
The flight distance from Rockford (RFD) to Alamosa (ALS) is 947 miles (1,524 km, 823 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to ALS?
A nonstop flight takes about 2h 32m 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 Rockford and Alamosa?
Alamosa is 1 hour behind Rockford.
What is the cheapest way to fly from RFD to ALS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–ALS that never appear on search engines, with no booking fees.