AirHint found the following cheapest return flights from Toronto (YYZ) to Osaka (KIX) in September 2025 (see full year).

Return flights

18 Sep - 01 Oct	WestJet
30 Sep - 14 Oct	WestJet
26 Sep - 06 Oct	WestJet
22 Sep - 29 Sep	Flair Airlines
27 Sep - 01 Oct	Flair Airlines
27 Sep - 30 Sep	WestJet
28 Sep - 05 Oct	Flair Airlines
26 Sep - 19 Oct	WestJet
21 Sep - 28 Sep	Flair Airlines
18 Sep - 01 Oct	Air Canada	direct
25 Sep - 28 Sep	Flair Airlines
25 Sep - 28 Sep	Air Canada	direct
30 Sep - 08 Oct	Air Canada	direct
29 Sep - 07 Oct	Air Canada
28 Sep - 30 Sep	Air Canada

Also check the deals for one-way flights from Toronto to Osaka in September.

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 Toronto to Osaka in September from $859

Return flights