Need help booking?
Unpublished phone-only deals available
HIO to UTH: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Udon Thani (Udon Thani Airport)
7,232 mi
11,639 km · 6,284 nm
14h 39m
estimated nonstop flight time
+14h
time difference · heading northwest
See live HIO→UTH fares Phone-only fares on this route — call free
Flight time details
7,232 miles nonstop takes roughly 14h 39m 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
- HIO — Portland Hillsboro Airport · Hillsboro, 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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 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 HIO from UTH?
The flight distance from Hillsboro (HIO) to Udon Thani (UTH) is 7,232 miles (11,639 km, 6,284 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to UTH?
A nonstop flight takes about 14h 39m 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 Hillsboro and Udon Thani?
Udon Thani is 14 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–UTH that never appear on search engines, with no booking fees.