AirHint found the following cheapest return flights from Ontario (ONT) to Osaka (KIX) in June 2025 (see full year).

Return flights

19 Jun - 26 Jun	United
30 Jun - 07 Jul	STARLUX Airlines
30 Jun - 16 Jul	STARLUX Airlines
28 Jun - 06 Jul	China Airlines
25 Jun - 02 Jul	China Airlines
23 Jun - 14 Jul	STARLUX Airlines
18 Jun - 25 Jun	STARLUX Airlines
19 Jun - 25 Jun	China Airlines
18 Jun - 03 Jul	China Airlines
18 Jun - 21 Jun	STARLUX Airlines
15 Jun - 21 Jun	China Airlines
19 Jun - 19 Jul	China Airlines

Also check the deals for one-way flights from Ontario to Osaka in June.

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.

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Cheapest return flights from Ontario to Osaka in June from $926

Return flights