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

Return flights

03 Sep - 24 Sep	WestJet
09 Sep - 22 Sep	WestJet
09 Sep - 25 Sep	WestJet
09 Sep - 24 Sep	WestJet
09 Sep - 12 Sep	WestJet
03 Sep - 18 Sep	WestJet
07 Sep - 18 Sep	WestJet
01 Sep - 23 Sep	WestJet
01 Sep - 22 Sep	WestJet
01 Sep - 26 Sep	WestJet
08 Sep - 02 Oct	WestJet
08 Sep - 07 Oct	WestJet
09 Sep - 07 Oct	WestJet
07 Sep - 07 Oct	WestJet
07 Sep - 02 Oct	WestJet
18 Sep - 03 Oct	Porter Airlines (Canada) Ltd
05 Sep - 03 Oct	WestJet
11 Sep - 07 Oct	WestJet
24 Sep - 15 Oct	WestJet
21 Sep - 01 Oct	United

Also check the deals for one-way flights from Montreal 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 Montreal to Tokyo in September from 570€

Return flights