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ISA to CEI: distance & flight time
Mount Isa (Mount Isa Airport) → Chiang Rai (Chiang Rai International Airport)
3,879 mi
6,242 km · 3,371 nm
8h 4m
estimated nonstop flight time
-3h
time difference · heading northwest
See live ISA→CEI fares Phone-only fares on this route — call free
Flight time details
3,879 miles nonstop takes roughly 8h 4m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- ISA — Mount Isa Airport · Mount Isa, Australia
- 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 ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 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 ISA from CEI?
The flight distance from Mount Isa (ISA) to Chiang Rai (CEI) is 3,879 miles (6,242 km, 3,371 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to CEI?
A nonstop flight takes about 8h 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 Mount Isa and Chiang Rai?
Chiang Rai is 3 hours behind Mount Isa.
What is the cheapest way to fly from ISA to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–CEI that never appear on search engines, with no booking fees.