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CTH to UTH: distance & flight time
Coatesville (Chester County G O Carlson Airport) → Udon Thani (Udon Thani Airport)
8,472 mi
13,635 km · 7,362 nm
17h 5m
estimated nonstop flight time
+11h
time difference · heading north
See live CTH→UTH fares Phone-only fares on this route — call free
Flight time details
8,472 miles nonstop takes roughly 17h 5m 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
- CTH — Chester County G O Carlson Airport · Coatesville, 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 CTH
- PHL · Philadelphia International Airport34 mi away
- ILG · New Castle Airport25 mi away
- LNS · Lancaster Airport25 mi away
- RDG · Reading Regional Carl A Spaatz Field28 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 CTH from UTH?
The flight distance from Coatesville (CTH) to Udon Thani (UTH) is 8,472 miles (13,635 km, 7,362 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CTH to UTH?
A nonstop flight takes about 17h 5m 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 Coatesville and Udon Thani?
Udon Thani is 11 hours ahead of Coatesville.
What is the cheapest way to fly from CTH to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTH–UTH that never appear on search engines, with no booking fees.