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

Return flights

07 Oct - 14 Oct	Brussels Airlines
06 Oct - 13 Oct	FrenchBee
09 Oct - 16 Oct	Air Transat
06 Oct - 23 Oct	Air Transat
09 Oct - 15 Oct	Air Transat
16 Oct - 23 Oct	Air Transat
05 Oct - 12 Oct	Air Transat
01 Oct - 08 Oct	Air Transat
08 Oct - 15 Oct	Air Transat
13 Oct - 20 Oct	Air Transat
26 Oct - 02 Nov	Air Canada	direct
25 Oct - 01 Nov	SWISS
27 Oct - 03 Nov	SWISS
30 Oct - 06 Nov	SWISS
31 Oct - 07 Nov	Air Canada
28 Oct - 04 Nov	SWISS
29 Oct - 05 Nov	SWISS
31 Oct - 07 Nov	SWISS	direct
25 Oct - 01 Nov	SWISS	direct

Also check the deals for one-way flights from Montreal to Geneva 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 Montreal to Geneva in October from $399

Return flights