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

Return flights

08 Jun - 15 Jun	Air Transat
15 Jun - 22 Jun	Air Transat
01 Jun - 08 Jun	Air Transat
16 Jun - 23 Jun	Air Transat
02 Jun - 09 Jun	Air Transat
04 Jun - 11 Jun	Air Transat
03 Jun - 10 Jun	Air Canada
10 Jun - 17 Jun	Air Canada
09 Jun - 16 Jun	Air Transat
01 Jun - 09 Jun	FrenchBee
14 Jun - 11 Jul	Air France
15 Jun - 11 Jul	airBaltic
16 Jun - 11 Jul	Air France
17 Jun - 11 Jul	Air France
29 Jun - 06 Jul	Air France
24 Jun - 01 Jul	Air France
13 Jun - 11 Jul	Air France
30 Jun - 07 Jul	Air France
25 Jun - 02 Jul	Air Transat
28 Jun - 05 Jul	Air Transat

Also check the deals for one-way flights from Montreal to Helsinki in June.

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 June from 598€

Return flights