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

Return flights

31 Aug - 07 Sep	Air France
18 Aug - 25 Aug	British Airways
05 Aug - 12 Aug	British Airways
19 Aug - 26 Aug	British Airways
04 Aug - 11 Aug	British Airways
12 Aug - 19 Aug	British Airways
25 Aug - 01 Sep	British Airways
26 Aug - 02 Sep	British Airways
24 Aug - 31 Aug	Air France
30 Aug - 06 Sep	Air France
03 Aug - 10 Aug	British Airways
13 Aug - 20 Aug	British Airways
10 Aug - 17 Aug	British Airways
20 Aug - 27 Aug	British Airways
29 Aug - 05 Sep	British Airways
28 Aug - 04 Sep	British Airways

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

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 August from 777€

Return flights