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CLS to UTH: distance & flight time
Chehalis (Chehalis Centralia Airport) → Udon Thani (Udon Thani Airport)
7,175 mi
11,547 km · 6,235 nm
14h 32m
estimated nonstop flight time
+14h
time difference · heading northwest
See live CLS→UTH fares Phone-only fares on this route — call free
Flight time details
7,175 miles nonstop takes roughly 14h 32m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- CLS — Chehalis Centralia Airport · Chehalis, United States
- UTH — Udon Thani Airport · Udon Thani, 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 CLS
- OLM · Olympia Regional Airport21 mi away
- SEA · Seattle Tacoma International Airport62 mi away
- GRF · Gray Army Air Field34 mi away
- KLS · Southwest Washington Regional Airport39 mi away
Near UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Frequently asked questions
How far is CLS from UTH?
The flight distance from Chehalis (CLS) to Udon Thani (UTH) is 7,175 miles (11,547 km, 6,235 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CLS to UTH?
A nonstop flight takes about 14h 32m 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 Chehalis and Udon Thani?
Udon Thani is 14 hours ahead of Chehalis.
What is the cheapest way to fly from CLS to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CLS–UTH that never appear on search engines, with no booking fees.