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CEI to CEU: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Clemson (Oconee County Regional Airport)
8,658 mi
13,934 km · 7,524 nm
17h 27m
estimated nonstop flight time
-11h
time difference · heading north
See live CEI→CEU fares Phone-only fares on this route — call free
Flight time details
8,658 miles nonstop takes roughly 17h 27m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- CEU — Oconee County Regional Airport · Clemson, 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 CEU
- AND · Anderson Regional Airport16 mi away
- TOC · Toccoa Airport - R.G. Letourneau Field24 mi away
- GDC · Donaldson Field Airport30 mi away
- GMU · Greenville Downtown Airport33 mi away
Frequently asked questions
How far is CEI from CEU?
The flight distance from Chiang Rai (CEI) to Clemson (CEU) is 8,658 miles (13,934 km, 7,524 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to CEU?
A nonstop flight takes about 17h 27m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from CEI to CEU?
Nonstop service on CEI–CEU depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 27m nonstop estimate.
What is the time difference between Chiang Rai and Clemson?
Clemson is 11 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to CEU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–CEU that never appear on search engines, with no booking fees.
Why are some CEI to CEU fares phone-only?
Consolidator contracts let us sell certain CEI–CEU tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.