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GTF to CEI: distance & flight time
Great Falls (Great Falls International Airport) → Chiang Rai (Chiang Rai International Airport)
7,390 mi
11,892 km · 6,421 nm
14h 57m
estimated nonstop flight time
+13h
time difference · heading northwest
See live GTF→CEI fares Phone-only fares on this route — call free
Flight time details
7,390 miles nonstop takes roughly 14h 57m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 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 GTF from CEI?
The flight distance from Great Falls (GTF) to Chiang Rai (CEI) is 7,390 miles (11,892 km, 6,421 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to CEI?
A nonstop flight takes about 14h 57m 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 Great Falls and Chiang Rai?
Chiang Rai is 13 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–CEI that never appear on search engines, with no booking fees.