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KSO to UTH: distance & flight time
Kastoria (Kastoria National Airport) → Udon Thani (Udon Thani Airport)
5,008 mi
8,059 km · 4,351 nm
10h 17m
estimated nonstop flight time
+4h
time difference · heading east
See live KSO→UTH fares Phone-only fares on this route — call free
Flight time details
5,008 miles nonstop takes roughly 10h 17m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- KSO — Kastoria National Airport · Kastoria, Greece
- 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 KSO
- KZI · Filippos Airport31 mi away
- IOA · Ioannina Airport57 mi away
- OHD · Ohrid St. Paul the Apostle Airport58 mi away
- LRA · Larisa Airport83 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 KSO from UTH?
The flight distance from Kastoria (KSO) to Udon Thani (UTH) is 5,008 miles (8,059 km, 4,351 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSO to UTH?
A nonstop flight takes about 10h 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 Kastoria and Udon Thani?
Udon Thani is 4 hours ahead of Kastoria.
What is the cheapest way to fly from KSO to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSO–UTH that never appear on search engines, with no booking fees.