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YST to ALS: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Alamosa (San Luis Valley Regional Bergman Field)
1,249 mi
2,010 km · 1,085 nm
3h 11m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YST→ALS fares Phone-only fares on this route — call free
Flight time details
1,249 miles nonstop takes roughly 3h 11m 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
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- 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 YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 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 YST from ALS?
The flight distance from St. Theresa Point (YST) to Alamosa (ALS) is 1,249 miles (2,010 km, 1,085 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to ALS?
A nonstop flight takes about 3h 11m 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 St. Theresa Point and Alamosa?
Alamosa is 1 hour behind St. Theresa Point.
What is the cheapest way to fly from YST to ALS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–ALS that never appear on search engines, with no booking fees.