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IWK to ONT: distance & flight time
Iwakuni (Iwakuni Marine Corps Air Station) → Ontario (Ontario International Airport)
5,909 mi
9,510 km · 5,135 nm
12h 3m
estimated nonstop flight time
—
time difference · heading northeast
See live IWK→ONT fares Phone-only fares on this route — call free
Flight time details
5,909 miles nonstop takes roughly 12h 3m 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
- IWK — Iwakuni Marine Corps Air Station · Iwakuni, 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 IWK
- HIW · Hiroshimanishi Airport18 mi away
- MYJ · Matsuyama Airport34 mi away
- HIJ · Hiroshima Airport44 mi away
- IWJ · Iwami Airport45 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 IWK from ONT?
The flight distance from Iwakuni (IWK) to Ontario (ONT) is 5,909 miles (9,510 km, 5,135 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IWK to ONT?
A nonstop flight takes about 12h 3m 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 IWK to ONT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IWK–ONT that never appear on search engines, with no booking fees.