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

Return flights

03 Sep - 22 Sep	Air France
02 Sep - 30 Sep	Air France
01 Sep - 30 Sep	Air France
05 Sep - 06 Oct	Air France
25 Sep - 03 Oct	Air Canada
15 Sep - 29 Sep	Lufthansa
03 Sep - 22 Sep	Brussels Airlines	direct
25 Sep - 03 Oct	Brussels Airlines	direct
27 Sep - 12 Oct	Air Canada	direct
01 Sep - 30 Sep	Air Transat	direct
19 Sep - 03 Oct	Air Transat	direct
02 Sep - 30 Sep	Air Transat	direct

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 417€

Return flights