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

Return flights

11 Sep - 20 Sep	WestJet
12 Sep - 19 Sep	American Airlines
19 Sep - 26 Sep	American Airlines
17 Sep - 30 Sep	WestJet
02 Sep - 24 Sep	WestJet
16 Sep - 26 Sep	WestJet
15 Sep - 30 Sep	WestJet
24 Sep - 06 Oct	Porter Airlines (Canada) Ltd
30 Sep - 07 Oct	WestJet
11 Sep - 30 Sep	WestJet
12 Sep - 22 Sep	WestJet
11 Sep - 24 Sep	WestJet
09 Sep - 08 Oct	WestJet
08 Sep - 28 Oct	WestJet
02 Sep - 03 Oct	WestJet
28 Sep - 01 Oct	WestJet
24 Sep - 15 Oct	Porter Airlines (Canada) Ltd
15 Sep - 07 Oct	WestJet
23 Sep - 11 Oct	WestJet
23 Sep - 06 Oct	WestJet

Also check the deals for one-way flights from Toronto to Tokyo 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 Tokyo in September from 590€

Return flights