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HIO to UTP: distance & flight time
Hillsboro (Portland Hillsboro Airport) → Pattaya (U-Tapao International Airport)
7,572 mi
12,186 km · 6,580 nm
15h 19m
estimated nonstop flight time
+14h
time difference · heading northwest
See live HIO→UTP fares Phone-only fares on this route — call free
Flight time details
7,572 miles nonstop takes roughly 15h 19m 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
- UTP — U-Tapao International Airport · Pattaya, 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 UTP
- HHQ · Hua Hin Airport71 mi away
- BKK · Suvarnabhumi Airport71 mi away
- DMK · Don Mueang International Airport89 mi away
- TDX · Trat Airport93 mi away
Frequently asked questions
How far is HIO from UTP?
The flight distance from Hillsboro (HIO) to Pattaya (UTP) is 7,572 miles (12,186 km, 6,580 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to UTP?
A nonstop flight takes about 15h 19m 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 Pattaya?
Pattaya is 14 hours ahead of Hillsboro.
What is the cheapest way to fly from HIO to UTP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–UTP that never appear on search engines, with no booking fees.