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AOU to ONT: distance & flight time
Attopeu (Attopeu Airport) → Ontario (Ontario International Airport)
7,973 mi
12,831 km · 6,928 nm
16h 6m
estimated nonstop flight time
—
time difference · heading northeast
See live AOU→ONT fares Phone-only fares on this route — call free
Flight time details
7,973 miles nonstop takes roughly 16h 6m gate to gate, flying northeast. 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
- ONT — Ontario International Airport · Ontario, United States
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 ONT
- CCB · Cable Airport6 mi away
- CNO · Chino Airport6 mi away
- LAX · Los Angeles International Airport47 mi away
- RAL · Riverside Municipal Airport11 mi away
Frequently asked questions
How far is AOU from ONT?
The flight distance from Attopeu (AOU) to Ontario (ONT) is 7,973 miles (12,831 km, 6,928 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AOU to ONT?
A nonstop flight takes about 16h 6m 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 ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AOU–ONT that never appear on search engines, with no booking fees.