AirHint found the following cheapest return flights from Ontario (ONT) to Helsinki (HEL) in November 2025 (see full year).

Return flights

25 Nov - 04 Dec	Finnair
15 Nov - 23 Nov	British Airways
08 Nov - 13 Nov	British Airways
02 Nov - 09 Nov	Iberia
08 Nov - 15 Nov	British Airways
08 Nov - 12 Nov	British Airways
20 Nov - 01 Dec	Iberia
02 Nov - 06 Nov	British Airways
22 Nov - 29 Nov	British Airways

Also check the deals for one-way flights from Ontario to Helsinki in November.

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 Ontario to Helsinki in November from $808

Return flights