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DEC to CEI: distance & flight time
Decatur (Decatur Airport) → Chiang Rai (Chiang Rai International Airport)
8,268 mi
13,305 km · 7,184 nm
16h 41m
estimated nonstop flight time
+12h
time difference · heading north
See live DEC→CEI fares Phone-only fares on this route — call free
Flight time details
8,268 miles nonstop takes roughly 16h 41m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- DEC — Decatur Airport · Decatur, 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 DEC
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 DEC from CEI?
The flight distance from Decatur (DEC) to Chiang Rai (CEI) is 8,268 miles (13,305 km, 7,184 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to CEI?
A nonstop flight takes about 16h 41m 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 Decatur and Chiang Rai?
Chiang Rai is 12 hours ahead of Decatur.
What is the cheapest way to fly from DEC to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–CEI that never appear on search engines, with no booking fees.