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

Return flights

23 Sep - 30 Sep	Air Transat
28 Sep - 05 Oct	Air Transat
29 Sep - 06 Oct	Air Transat
27 Sep - 04 Oct	Air Transat
30 Sep - 07 Oct	Air Transat
15 Sep - 22 Sep	Air Transat
13 Sep - 20 Sep	Air Transat
25 Sep - 02 Oct	Air Transat
20 Sep - 27 Sep	Air Transat
01 Sep - 15 Sep	Air Transat
01 Sep - 08 Sep	Air Transat
21 Sep - 28 Sep	Air Transat
07 Sep - 14 Sep	FrenchBee
14 Sep - 21 Sep	FrenchBee
22 Sep - 29 Sep	Air Transat
24 Sep - 01 Oct	Air Transat
26 Sep - 03 Oct	Air Transat
17 Sep - 30 Oct	Air Transat
30 Sep - 07 Oct	Air Canada	direct
28 Sep - 05 Oct	SWISS	direct

Also check the deals for one-way flights from Montreal to Geneva 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 Geneva in September from 594€

Return flights