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

Return flights

06 May - 13 May	Air Canada
20 May - 27 May	Air Canada
04 May - 11 May	Air France
08 May - 15 May	Air France
12 May - 19 May	Air France
14 May - 21 May	Air France
16 May - 23 May	Air France
18 May - 25 May	Air France
22 May - 29 May	Air France
02 May - 09 May	Air France
26 May - 02 Jun	Air Canada
28 May - 04 Jun	Air France

Also check the deals for one-way flights from Montreal 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 Montreal to Helsinki in May from $740

Return flights