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

Return flights

01 Jun - 08 Jun	Air Canada	direct
15 Jun - 22 Jun	Air Canada	direct
08 Jun - 15 Jun	Air Canada	direct
03 Jun - 10 Jun	Air Canada
06 Jun - 13 Jun	Air Canada
04 Jun - 11 Jun	Air Canada
10 Jun - 17 Jun	Lufthansa
02 Jun - 09 Jun	Air Canada
09 Jun - 16 Jun	SWISS
12 Jun - 19 Jun	SWISS
28 Jun - 05 Jul	Lufthansa
25 Jun - 02 Jul	TAP
24 Jun - 01 Jul	TAP
29 Jun - 06 Jul	Air Transat
26 Jun - 03 Jul	Lufthansa
27 Jun - 04 Jul	Lufthansa

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 $572

Return flights