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FNL to ALS: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Alamosa (San Luis Valley Regional Bergman Field)
213 mi
344 km · 185 nm
1h 2m
estimated nonstop flight time
Same time
time difference · heading south
See live FNL→ALS fares Phone-only fares on this route — call free
Flight time details
213 miles nonstop takes roughly 1h 2m 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
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 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 FNL from ALS?
The flight distance from Fort Collins (FNL) to Alamosa (ALS) is 213 miles (344 km, 185 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to ALS?
A nonstop flight takes about 1h 2m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from FNL to ALS?
Nonstop service on FNL–ALS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 2m nonstop estimate.
What is the cheapest way to fly from FNL to ALS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–ALS that never appear on search engines, with no booking fees.
Why are some FNL to ALS fares phone-only?
Consolidator contracts let us sell certain FNL–ALS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.