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

Return flights

08 Sep - 15 Sep	FrenchBee
14 Sep - 21 Sep	Air Transat
15 Sep - 22 Sep	Air Transat
15 Sep - 26 Sep	FrenchBee
22 Sep - 29 Sep	FrenchBee
08 Sep - 29 Sep	FrenchBee
29 Sep - 06 Oct	FrenchBee
04 Sep - 11 Sep	SWISS
02 Sep - 09 Sep	Air Transat
06 Sep - 13 Sep	Air Transat
18 Sep - 25 Sep	Air Transat
27 Sep - 04 Oct	Air Transat
24 Sep - 01 Oct	Air Transat
25 Sep - 02 Oct	Air Transat
18 Sep - 31 Oct	Air Canada	direct
27 Sep - 18 Oct	Air Transat
30 Sep - 07 Oct	Air Transat
12 Sep - 15 Oct	Air Canada
26 Sep - 12 Oct	SWISS
26 Sep - 03 Oct	Air Canada

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.

Book a cheap hotel in Geneva

Cheap car rent in Geneva

Cheapest return flights from Montreal to Geneva in September from $565

Return flights