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CEI to DUC: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Duncan (Halliburton Field)
8,498 mi
13,676 km · 7,384 nm
17h 8m
estimated nonstop flight time
-12h
time difference · heading north
See live CEI→DUC fares Phone-only fares on this route — call free
Flight time details
8,498 miles nonstop takes roughly 17h 8m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- DUC — Halliburton Field · Duncan, United States
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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Near DUC
Frequently asked questions
How far is CEI from DUC?
The flight distance from Chiang Rai (CEI) to Duncan (DUC) is 8,498 miles (13,676 km, 7,384 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to DUC?
A nonstop flight takes about 17h 8m 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 Chiang Rai and Duncan?
Duncan is 12 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–DUC that never appear on search engines, with no booking fees.