Cheapest return flights from Toronto to Helsinki in September from $690

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

Return flights

10 Sep - 24 Sep Delta
11 Sep - 18 Sep Delta

Also check the deals for one-way flights from Toronto to Helsinki in September.

Skyscanner

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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