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

Return flights

11 Sep - 02 Oct	ITA Airways
10 Sep - 02 Oct	ITA Airways
11 Sep - 24 Sep	ITA Airways
11 Sep - 15 Sep	ITA Airways
10 Sep - 16 Sep	ITA Airways
16 Sep - 30 Sep	Aer Lingus
11 Sep - 14 Sep	ITA Airways
11 Sep - 18 Sep	ITA Airways
25 Sep - 06 Oct	KLM
24 Sep - 25 Oct	British Airways
25 Sep - 28 Sep	British Airways
26 Sep - 02 Oct	British Airways
15 Sep - 20 Sep	Aer Lingus
15 Sep - 26 Sep	Aer Lingus
21 Sep - 30 Oct	British Airways
14 Sep - 21 Sep	Aer Lingus
12 Sep - 03 Oct	easyJet

Also check the deals for one-way flights from Geneva to Toronto 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 Geneva to Toronto in September from 393€

Return flights