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COU to CEI: distance & flight time
Columbia (Columbia Regional Airport) → Chiang Rai (Chiang Rai International Airport)
8,301 mi
13,360 km · 7,214 nm
16h 45m
estimated nonstop flight time
+12h
time difference · heading north
See live COU→CEI fares Phone-only fares on this route — call free
Flight time details
8,301 miles nonstop takes roughly 16h 45m 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
- COU — Columbia Regional Airport · Columbia, 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 COU
- JEF · Jefferson City Memorial Airport16 mi away
- AIZ · Lee C Fine Memorial Airport53 mi away
- SZL · Whiteman Air Force Base72 mi away
- TBN · Waynesville-St. Robert Regional Forney field75 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 COU from CEI?
The flight distance from Columbia (COU) to Chiang Rai (CEI) is 8,301 miles (13,360 km, 7,214 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COU to CEI?
A nonstop flight takes about 16h 45m 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 COU to CEI?
Nonstop service on COU–CEI 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 16h 45m nonstop estimate.
What is the time difference between Columbia and Chiang Rai?
Chiang Rai is 12 hours ahead of Columbia.
What is the cheapest way to fly from COU to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COU–CEI that never appear on search engines, with no booking fees.
Why are some COU to CEI fares phone-only?
Consolidator contracts let us sell certain COU–CEI 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.