Need help booking?
Unpublished phone-only deals available
YMH to CEI: distance & flight time
Mary's Harbour (Mary's Harbour Airport) → Chiang Rai (Chiang Rai International Airport)
7,235 mi
11,644 km · 6,287 nm
14h 39m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live YMH→CEI fares Phone-only fares on this route — call free
Flight time details
7,235 miles nonstop takes roughly 14h 39m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- YMH — Mary's Harbour Airport · Mary's Harbour, Canada
- CEI — Chiang Rai International Airport · Chiang Rai, 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 YMH
- YFX · St. Lewis (Fox Harbour) Airport9 mi away
- YWM · Williams Harbour Airport18 mi away
- YHA · Port Hope Simpson Airport24 mi away
- YAY · St. Anthony Airport64 mi away
Near CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Frequently asked questions
How far is YMH from CEI?
The flight distance from Mary's Harbour (YMH) to Chiang Rai (CEI) is 7,235 miles (11,644 km, 6,287 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YMH to CEI?
A nonstop flight takes about 14h 39m 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 Mary's Harbour and Chiang Rai?
Chiang Rai is 9.5 hours ahead of Mary's Harbour.
What is the cheapest way to fly from YMH to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YMH–CEI that never appear on search engines, with no booking fees.