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HHH to UTH: distance & flight time
Hilton Head Island (Hilton Head Airport) → Udon Thani (Udon Thani Airport)
9,001 mi
14,486 km · 7,822 nm
18h 7m
estimated nonstop flight time
+11h
time difference · heading north
See live HHH→UTH fares Phone-only fares on this route — call free
Flight time details
9,001 miles nonstop takes roughly 18h 7m 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
- HHH — Hilton Head Airport · Hilton Head Island, 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 HHH
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 HHH from UTH?
The flight distance from Hilton Head Island (HHH) to Udon Thani (UTH) is 9,001 miles (14,486 km, 7,822 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HHH to UTH?
A nonstop flight takes about 18h 7m 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 Hilton Head Island and Udon Thani?
Udon Thani is 11 hours ahead of Hilton Head Island.
What is the cheapest way to fly from HHH to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HHH–UTH that never appear on search engines, with no booking fees.