Need help booking?
Unpublished phone-only deals available
CNX to YMX: distance & flight time
Chiang Mai (Chiang Mai International Airport) → Montreal (Montreal International (Mirabel) Airport)
7,962 mi
12,814 km · 6,919 nm
16h 5m
estimated nonstop flight time
-12h
time difference · heading north
See live CNX→YMX fares Phone-only fares on this route — call free
Flight time details
7,962 miles nonstop takes roughly 16h 5m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
- YMX — Montreal International (Mirabel) Airport · Montreal, 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 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
Near YMX
- YUL · Montreal / Pierre Elliott Trudeau International Airport20 mi away
- YHU · Montréal / Saint-Hubert Airport32 mi away
- YJN · St Jean Airport45 mi away
- YCC · Cornwall Regional Airport48 mi away
Frequently asked questions
How far is CNX from YMX?
The flight distance from Chiang Mai (CNX) to Montreal (YMX) is 7,962 miles (12,814 km, 6,919 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNX to YMX?
A nonstop flight takes about 16h 5m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CNX to YMX?
Nonstop service on CNX–YMX depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 16h 5m nonstop estimate.
What is the time difference between Chiang Mai and Montreal?
Montreal is 12 hours behind Chiang Mai.
What is the cheapest way to fly from CNX to YMX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNX–YMX that never appear on search engines, with no booking fees.
Why are some CNX to YMX fares phone-only?
Consolidator contracts let us sell certain CNX–YMX tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.