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

Return flights

08 Jun - 15 Jun	Air Canada	direct
15 Jun - 22 Jun	Air Canada	direct
05 Jun - 20 Jun	Air Canada	direct
01 Jun - 08 Jun	Air Canada
10 Jun - 17 Jun	Air Canada
03 Jun - 10 Jun	Air Canada
04 Jun - 11 Jun	SWISS
09 Jun - 16 Jun	SWISS
02 Jun - 09 Jun	SWISS
11 Jun - 18 Jun	Lufthansa
22 Jun - 06 Jul	Air Canada	direct
22 Jun - 07 Jul	Air Canada	direct
29 Jun - 20 Jul	Lufthansa	direct
29 Jun - 06 Jul	Air Canada	direct
23 Jun - 06 Jul	Air Canada
23 Jun - 07 Jul	Air Canada
30 Jun - 07 Jul	Air Canada
25 Jun - 02 Jul	TAP
24 Jun - 01 Jul	Lufthansa
26 Jun - 03 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 549€

Return flights