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EFD to CNX: distance & flight time
Houston (Ellington Airport) → Chiang Mai (Chiang Mai International Airport)
8,965 mi
14,427 km · 7,790 nm
18h 3m
estimated nonstop flight time
+12h
time difference · heading north
See live EFD→CNX fares Phone-only fares on this route — call free
Flight time details
8,965 miles nonstop takes roughly 18h 3m 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
- EFD — Ellington 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 EFD
- IAH · George Bush Intercontinental Houston Airport28 mi away
- HOU · William P Hobby Airport8 mi away
- AAP · Andrau Airpark27 mi away
- GLS · Scholes International At Galveston Airport30 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 EFD from CNX?
The flight distance from Houston (EFD) to Chiang Mai (CNX) is 8,965 miles (14,427 km, 7,790 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from EFD to CNX?
A nonstop flight takes about 18h 3m 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 EFD to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on EFD–CNX that never appear on search engines, with no booking fees.