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YST to OLS: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Nogales (Nogales International Airport)
1,741 mi
2,802 km · 1,513 nm
3h 53m
estimated nonstop flight time
-2h
time difference · heading southwest
See live YST→OLS fares Phone-only fares on this route — call free
Flight time details
1,741 miles nonstop takes roughly 3h 53m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- OLS — Nogales International Airport · Nogales, 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 OLS
- NOG · Nogales International Airport15 mi away
- FHU · Sierra Vista Municipal Libby Army Air Field32 mi away
- TUS · Tucson International Airport49 mi away
- DMA · Davis Monthan Air Force Base52 mi away
Frequently asked questions
How far is YST from OLS?
The flight distance from St. Theresa Point (YST) to Nogales (OLS) is 1,741 miles (2,802 km, 1,513 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to OLS?
A nonstop flight takes about 3h 53m 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 Nogales?
Nogales is 2 hours behind St. Theresa Point.
What is the cheapest way to fly from YST to OLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–OLS that never appear on search engines, with no booking fees.