AirHint found the following cheapest return flights from Toronto (YYZ) to Helsinki (HEL) in May 2026 (see full year).

Return flights

08 May - 16 May	Icelandair
07 May - 16 May	Icelandair
09 May - 20 May	Icelandair
04 May - 21 May	Icelandair
09 May - 18 May	Icelandair
06 May - 13 May	Icelandair
04 May - 20 May	Icelandair
06 May - 21 May	Icelandair
13 May - 20 May	Icelandair
01 May - 16 May	Icelandair
17 May - 03 Jun	Icelandair
20 May - 03 Jun	Icelandair
09 May - 03 Jun	Icelandair
20 May - 06 Jun	Icelandair
23 May - 08 Jun	Delta
20 May - 03 Jun	Finnair	direct
09 May - 03 Jun	Finnair	direct
23 May - 08 Jun	Finnair	direct
20 May - 06 Jun	Finnair	direct
31 May - 06 Jun	Icelandair

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

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 Toronto to Helsinki in May from 444€

Return flights