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ALS to YST: distance & flight time
Alamosa (San Luis Valley Regional Bergman Field) → St. Theresa Point (St. Theresa Point Airport)
1,249 mi
2,010 km · 1,085 nm
3h 11m
estimated nonstop flight time
+1h
time difference · heading north
See live ALS→YST fares Phone-only fares on this route — call free
Flight time details
1,249 miles nonstop takes roughly 3h 11m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- ALS — San Luis Valley Regional Bergman Field · Alamosa, United States
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
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 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
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
Frequently asked questions
How far is ALS from YST?
The flight distance from Alamosa (ALS) to St. Theresa Point (YST) 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 ALS to YST?
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 Alamosa and St. Theresa Point?
St. Theresa Point is 1 hour ahead of Alamosa.
What is the cheapest way to fly from ALS to YST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALS–YST that never appear on search engines, with no booking fees.