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AOU to CEI: distance & flight time
Attopeu (Attopeu Airport) → Chiang Rai (Chiang Rai International Airport)
579 mi
932 km · 503 nm
1h 44m
estimated nonstop flight time
—
time difference · heading northwest
See live AOU→CEI fares Phone-only fares on this route — call free
Flight time details
579 miles nonstop takes roughly 1h 44m 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
- CEI — Chiang Rai International Airport · Chiang Rai, 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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Frequently asked questions
How far is AOU from CEI?
The flight distance from Attopeu (AOU) to Chiang Rai (CEI) is 579 miles (932 km, 503 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AOU to CEI?
A nonstop flight takes about 1h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from AOU to CEI?
Nonstop service on AOU–CEI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 44m nonstop estimate.
What is the cheapest way to fly from AOU to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AOU–CEI that never appear on search engines, with no booking fees.
Why are some AOU to CEI fares phone-only?
Consolidator contracts let us sell certain AOU–CEI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.