AirHint found the following cheapest return flights from Lyon (LYS) to Montreal (YUL) in September 2026 (see full year).

Return flights

17 Sep - 25 Sep	Air France
12 Sep - 01 Oct	Air France
01 Sep - 13 Sep	Air France
23 Sep - 09 Oct	Air France
17 Sep - 25 Sep	Air Transat	direct
21 Sep - 15 Oct	Air Transat	direct
12 Sep - 01 Oct	Air Transat	direct
23 Sep - 09 Oct	Air Transat	direct
14 Sep - 30 Sep	Air France
01 Sep - 13 Sep	Air Transat	direct
14 Sep - 30 Sep	Air Transat	direct
07 Sep - 17 Sep	Lufthansa

Also check the deals for one-way flights from Lyon to Montreal 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 Lyon to Montreal in September from 416€

Return flights