Need help booking?
Unpublished phone-only deals available
TYS to CEI: distance & flight time
Knoxville (McGhee Tyson Airport) → Chiang Rai (Chiang Rai International Airport)
8,576 mi
13,801 km · 7,452 nm
17h 17m
estimated nonstop flight time
+11h
time difference · heading north
See live TYS→CEI fares Phone-only fares on this route — call free
Flight time details
8,576 miles nonstop takes roughly 17h 17m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- TYS — McGhee Tyson Airport · Knoxville, 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 TYS
- MMI · McMinn County Airport43 mi away
- HDI · Hardwick Field62 mi away
- CSV · Crossville Memorial Whitson Field62 mi away
- AVL · Asheville Regional Airport86 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 TYS from CEI?
The flight distance from Knoxville (TYS) to Chiang Rai (CEI) is 8,576 miles (13,801 km, 7,452 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TYS to CEI?
A nonstop flight takes about 17h 17m 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 Knoxville and Chiang Rai?
Chiang Rai is 11 hours ahead of Knoxville.
What is the cheapest way to fly from TYS to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TYS–CEI that never appear on search engines, with no booking fees.