AirHint found the following cheapest return flights from Helsinki (HEL) to Toronto (YYZ) in October 2025 (see full year).

Return flights

23 Oct - 07 Nov	Lufthansa
23 Oct - 05 Nov	Lufthansa
25 Oct - 03 Nov	Icelandair
01 Oct - 08 Oct	Lufthansa
13 Oct - 20 Oct	Lufthansa
17 Oct - 27 Oct	Air Canada
15 Oct - 26 Oct	Lufthansa
24 Oct - 31 Oct	Air Canada
16 Oct - 23 Oct	Air Canada
15 Oct - 22 Oct	Scandinavian Airlines
17 Oct - 24 Oct	Lufthansa
11 Oct - 19 Oct	Lufthansa
13 Oct - 17 Oct	Scandinavian Airlines
20 Oct - 01 Nov	Lufthansa

Also check the deals for one-way flights from Helsinki to Toronto 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 Helsinki to Toronto in October from 357€

Return flights