AirHint found the following cheapest return flights from Nantes (NTE) to Montreal (YUL) in October 2025 (see full year).

Return flights

15 Oct - 13 Nov	Air Transat	direct
29 Oct - 12 Nov	Air France
10 Oct - 19 Oct	Air Transat	direct
07 Oct - 21 Oct	Air France
11 Oct - 21 Oct	Air France
11 Oct - 20 Oct	Air France
04 Oct - 19 Oct	Air Transat	direct
10 Oct - 12 Oct	KLM
06 Oct - 20 Oct	KLM
17 Oct - 24 Oct	Air Transat	direct
04 Oct - 12 Oct	KLM
01 Oct - 11 Oct	Air France
13 Oct - 11 Nov	KLM
08 Oct - 09 Nov	Air Transat

Also check the deals for one-way flights from Nantes to Montreal in October.

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 Nantes to Montreal in October from $466

Return flights