Cheapest one-way flights from Ontario to Osaka in September from $432

AirHint found the following cheapest one-way flights from Ontario (ONT) to Osaka (KIX) in September 2025 (see full year).

One-Way flights

15 Sep Korean Air
07 Sep Korean Air
03 Sep Japan Airlines
17 Sep Alaska Airlines
06 Sep Alaska Airlines
26 Sep STARLUX Airlines
11 Sep China Airlines
12 Sep STARLUX Airlines
04 Sep Alaska Airlines
22 Sep STARLUX Airlines

Also check the deals for return flights from Ontario to Osaka in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Osaka

Cheap car rent in Osaka

Feel free to contact us with any feedback or request another flight research.