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ZBY to ONT: distance & flight time
Sainyabuli (Sayaboury Airport) → Ontario (Ontario International Airport)
7,937 mi
12,774 km · 6,897 nm
16h 2m
estimated nonstop flight time
—
time difference · heading northeast
See live ZBY→ONT fares Phone-only fares on this route — call free
Flight time details
7,937 miles nonstop takes roughly 16h 2m 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
- ZBY — Sayaboury Airport · Sainyabuli, 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 ZBY
- LPQ · Luang Phabang International Airport54 mi away
- NNT · Nan Airport68 mi away
- XKH · Xieng Khouang Airport96 mi away
- ODY · Oudomsay Airport101 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 ZBY from ONT?
The flight distance from Sainyabuli (ZBY) to Ontario (ONT) is 7,937 miles (12,774 km, 6,897 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZBY to ONT?
A nonstop flight takes about 16h 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 cheapest way to fly from ZBY to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZBY–ONT that never appear on search engines, with no booking fees.