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ASE to YST: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → St. Theresa Point (St. Theresa Point Airport)
1,157 mi
1,862 km · 1,005 nm
2h 59m
estimated nonstop flight time
+1h
time difference · heading northeast
See live ASE→YST fares Phone-only fares on this route — call free
Flight time details
1,157 miles nonstop takes roughly 2h 59m gate to gate, flying northeast. 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
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 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 ASE from YST?
The flight distance from Aspen (ASE) to St. Theresa Point (YST) is 1,157 miles (1,862 km, 1,005 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to YST?
A nonstop flight takes about 2h 59m 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 Aspen and St. Theresa Point?
St. Theresa Point is 1 hour ahead of Aspen.
What is the cheapest way to fly from ASE to YST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–YST that never appear on search engines, with no booking fees.