Cheapest one-way flights from Ontario to Helsinki in June from $4694

AirHint found the following cheapest one-way flights from Ontario (ONT) to Helsinki (HEL) in June 2026 (see full year).

One-Way flights

15 Jun British Airways
16 Jun British Airways

Also check the deals for return flights from Ontario to Helsinki in June.

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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