Need help booking?
Unpublished phone-only deals available
IAH to PRH: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Phrae (Phrae Airport)
8,956 mi
14,413 km · 7,782 nm
18h 2m
estimated nonstop flight time
+12h
time difference · heading north
See live IAH→PRH fares Phone-only fares on this route — call free
Flight time details
8,956 miles nonstop takes roughly 18h 2m 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
- PRH — Phrae Airport · Phrae, 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 PRH
- LPT · Lampang Airport44 mi away
- NNT · Nan Airport62 mi away
- THS · Sukhothai Airport66 mi away
- CNX · Chiang Mai International Airport90 mi away
Frequently asked questions
How far is IAH from PRH?
The flight distance from Houston (IAH) to Phrae (PRH) is 8,956 miles (14,413 km, 7,782 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to PRH?
A nonstop flight takes about 18h 2m 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 Phrae?
Phrae is 12 hours ahead of Houston.
What is the cheapest way to fly from IAH to PRH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–PRH that never appear on search engines, with no booking fees.