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SDF to UTH: distance & flight time
Louisville (Louisville International Standiford Field) → Udon Thani (Udon Thani Airport)
8,558 mi
13,773 km · 7,437 nm
17h 15m
estimated nonstop flight time
+11h
time difference · heading north
See live SDF→UTH fares Phone-only fares on this route — call free
Flight time details
8,558 miles nonstop takes roughly 17h 15m 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
- SDF — Louisville International Standiford Field · Louisville, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 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 SDF from UTH?
The flight distance from Louisville (SDF) to Udon Thani (UTH) is 8,558 miles (13,773 km, 7,437 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to UTH?
A nonstop flight takes about 17h 15m 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 Louisville and Udon Thani?
Udon Thani is 11 hours ahead of Louisville.
What is the cheapest way to fly from SDF to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–UTH that never appear on search engines, with no booking fees.