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ZEM to CEI: distance & flight time
Eastmain River (Eastmain River Airport) → Chiang Rai (Chiang Rai International Airport)
7,449 mi
11,988 km · 6,473 nm
15h 4m
estimated nonstop flight time
+11h
time difference · heading north
See live ZEM→CEI fares Phone-only fares on this route — call free
Flight time details
7,449 miles nonstop takes roughly 15h 4m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- ZEM — Eastmain River Airport · Eastmain River, 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 ZEM
- YKQ · Waskaganish Airport53 mi away
- YNC · Wemindji Airport56 mi away
- YGL · La Grande Rivière Airport102 mi away
- YNS · Nemiscau Airport108 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 ZEM from CEI?
The flight distance from Eastmain River (ZEM) to Chiang Rai (CEI) is 7,449 miles (11,988 km, 6,473 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZEM to CEI?
A nonstop flight takes about 15h 4m 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 Eastmain River and Chiang Rai?
Chiang Rai is 11 hours ahead of Eastmain River.
What is the cheapest way to fly from ZEM to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZEM–CEI that never appear on search engines, with no booking fees.