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

Return flights

10 Jun - 17 Jun	Air Transat
01 Jun - 08 Jun	Air Canada	direct
08 Jun - 15 Jun	Air Canada	direct
03 Jun - 10 Jun	Air Canada
15 Jun - 22 Jun	Air Canada	direct
02 Jun - 09 Jun	Air Canada
04 Jun - 11 Jun	Air Canada
09 Jun - 16 Jun	Air Canada
11 Jun - 18 Jun	Air Canada
05 Jun - 15 Jun	Lufthansa	direct
17 Jun - 01 Jul	Air Canada
24 Jun - 01 Jul	Air Canada
20 Jun - 09 Jul	WestJet
21 Jun - 09 Jul	WestJet
22 Jun - 10 Jul	WestJet
28 Jun - 07 Jul	Air Transat
29 Jun - 06 Jul	Air Canada	direct
25 Jun - 02 Jul	Air Canada
28 Jun - 05 Jul	Air Transat
25 Jun - 15 Jul	Air Canada

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.

Book a cheap hotel in Dublin

Cheap car rent in Dublin

Cheapest return flights from Montreal to Dublin in June from $666

Return flights