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OKC to CEI: distance & flight time
Oklahoma City (Will Rogers World Airport) → Chiang Rai (Chiang Rai International Airport)
8,445 mi
13,591 km · 7,338 nm
17h 2m
estimated nonstop flight time
+12h
time difference · heading north
See live OKC→CEI fares Phone-only fares on this route — call free
Flight time details
8,445 miles nonstop takes roughly 17h 2m 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
- OKC — Will Rogers World Airport · Oklahoma City, 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 OKC
- PWA · Wiley Post Airport10 mi away
- TIK · Tinker Air Force Base12 mi away
- SWO · Stillwater Regional Airport60 mi away
- CUH · Cushing Municipal Airport60 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 OKC from CEI?
The flight distance from Oklahoma City (OKC) to Chiang Rai (CEI) is 8,445 miles (13,591 km, 7,338 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKC to CEI?
A nonstop flight takes about 17h 2m 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 Oklahoma City and Chiang Rai?
Chiang Rai is 12 hours ahead of Oklahoma City.
What is the cheapest way to fly from OKC to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKC–CEI that never appear on search engines, with no booking fees.