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

Return flights

07 Jun - 23 Jun	Lufthansa	direct
15 Jun - 22 Jun	Lufthansa	direct
08 Jun - 15 Jun	Air Canada	direct
01 Jun - 08 Jun	Air Canada	direct
02 Jun - 09 Jun	Air Canada
04 Jun - 11 Jun	Air Canada
06 Jun - 13 Jun	Air Canada
03 Jun - 10 Jun	Lufthansa
05 Jun - 12 Jun	Lufthansa
12 Jun - 19 Jun	SWISS

Also check the deals for one-way flights from Montreal to Dublin 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 Dublin in June from 487€

Return flights