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KIX to ONT: distance & flight time
Osaka (Kansai International Airport) → Ontario (Ontario International Airport)
5,762 mi
9,273 km · 5,007 nm
11h 46m
estimated nonstop flight time
-16h
time difference · heading northeast
See live KIX→ONT fares Phone-only fares on this route — call free
Flight time details
5,762 miles nonstop takes roughly 11h 46m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- KIX — Kansai International Airport · Osaka, Japan
- 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 KIX
- UKB · Kobe Airport14 mi away
- ITM · Osaka International Airport27 mi away
- TKS · Tokushima Airport/JMSDF Air Base42 mi away
- SHM · Nanki Shirahama Airport53 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 KIX from ONT?
The flight distance from Osaka (KIX) to Ontario (ONT) is 5,762 miles (9,273 km, 5,007 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KIX to ONT?
A nonstop flight takes about 11h 46m 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 Osaka and Ontario?
Ontario is 16 hours behind Osaka.
What is the cheapest way to fly from KIX to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KIX–ONT that never appear on search engines, with no booking fees.