Need help booking?
Unpublished phone-only deals available
HOU to CNX: distance & flight time
Houston (William P Hobby Airport) → Chiang Mai (Chiang Mai International Airport)
8,960 mi
14,420 km · 7,786 nm
18h 2m
estimated nonstop flight time
+12h
time difference · heading north
See live HOU→CNX fares Phone-only fares on this route — call free
Flight time details
8,960 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
- HOU — William P Hobby Airport · Houston, United States
- CNX — Chiang Mai International Airport · Chiang Mai, 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 HOU
- IAH · George Bush Intercontinental Houston Airport24 mi away
- EFD · Ellington Airport8 mi away
- AAP · Andrau Airpark19 mi away
- SGR · Sugar Land Regional Airport23 mi away
Near CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Frequently asked questions
How far is HOU from CNX?
The flight distance from Houston (HOU) to Chiang Mai (CNX) is 8,960 miles (14,420 km, 7,786 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HOU to CNX?
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 Chiang Mai?
Chiang Mai is 12 hours ahead of Houston.
What is the cheapest way to fly from HOU to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HOU–CNX that never appear on search engines, with no booking fees.