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

Return flights

13 May - 20 May	Lufthansa
20 May - 27 May	Lufthansa
04 May - 07 May	Air France
04 May - 08 May	Air France
05 May - 12 May	Porter Airlines (Canada) Ltd
19 May - 26 May	Air France
06 May - 13 May	Air France
05 May - 08 May	Air France
03 May - 10 May	Air France
07 May - 14 May	Air France
29 May - 05 Jun	WestJet
26 May - 02 Jun	Lufthansa
25 May - 01 Jun	Lufthansa
31 May - 07 Jun	FrenchBee
30 May - 06 Jun	FrenchBee

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Cheapest return flights from Montreal to Helsinki in May from 583€

Return flights