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IAH to HHQ: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Prachuap Khiri Khan (Hua Hin Airport)
9,321 mi
15,001 km · 8,100 nm
18h 45m
estimated nonstop flight time
+12h
time difference · heading north
See live IAH→HHQ fares Phone-only fares on this route — call free
Flight time details
9,321 miles nonstop takes roughly 18h 45m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- HHQ — Hua Hin Airport · Prachuap Khiri Khan, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near HHQ
- UTP · U-Tapao International Airport71 mi away
- BKK · Suvarnabhumi Airport90 mi away
- MGZ · Myeik Airport91 mi away
- DMK · Don Mueang International Airport99 mi away
Frequently asked questions
How far is IAH from HHQ?
The flight distance from Houston (IAH) to Prachuap Khiri Khan (HHQ) is 9,321 miles (15,001 km, 8,100 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to HHQ?
A nonstop flight takes about 18h 45m 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 Houston and Prachuap Khiri Khan?
Prachuap Khiri Khan is 12 hours ahead of Houston.
What is the cheapest way to fly from IAH to HHQ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–HHQ that never appear on search engines, with no booking fees.