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AOU to CNX: distance & flight time
Attopeu (Attopeu Airport) → Chiang Mai (Chiang Mai International Airport)
587 mi
945 km · 510 nm
1h 45m
estimated nonstop flight time
—
time difference · heading northwest
See live AOU→CNX fares Phone-only fares on this route — call free
Flight time details
587 miles nonstop takes roughly 1h 45m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- AOU — Attopeu Airport · Attopeu, Laos
- 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 AOU
- VNA · Saravane Airport68 mi away
- PKZ · Pakse International Airport73 mi away
- RBE · Ratanakiri Airport76 mi away
- PXU · Pleiku Airport98 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 AOU from CNX?
The flight distance from Attopeu (AOU) to Chiang Mai (CNX) is 587 miles (945 km, 510 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AOU to CNX?
A nonstop flight takes about 1h 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 cheapest way to fly from AOU to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AOU–CNX that never appear on search engines, with no booking fees.