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YST to CNX: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Chiang Mai (Chiang Mai International Airport)
7,353 mi
11,833 km · 6,390 nm
14h 53m
estimated nonstop flight time
+12h
time difference · heading north
See live YST→CNX fares Phone-only fares on this route — call free
Flight time details
7,353 miles nonstop takes roughly 14h 53m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Frequently asked questions
How far is YST from CNX?
The flight distance from St. Theresa Point (YST) to Chiang Mai (CNX) is 7,353 miles (11,833 km, 6,390 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to CNX?
A nonstop flight takes about 14h 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 Chiang Mai?
Chiang Mai is 12 hours ahead of St. Theresa Point.
What is the cheapest way to fly from YST to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–CNX that never appear on search engines, with no booking fees.