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	WestJet
01 Jun - 08 Jun	Air Transat
04 Jun - 11 Jun	Air Transat
02 Jun - 09 Jun	Air Transat
16 Jun - 23 Jun	Lufthansa
03 Jun - 10 Jun	Air Canada
17 Jun - 24 Jun	Air Canada
10 Jun - 17 Jun	Lufthansa
10 Jun - 25 Jun	Air Canada
09 Jun - 16 Jun	Air Canada
24 Jun - 01 Jul	Air Canada
26 Jun - 03 Jul	WestJet
25 Jun - 02 Jul	Air Canada
30 Jun - 13 Jul	Air Canada
30 Jun - 07 Jul	Air Canada
29 Jun - 15 Jul	Lufthansa
23 Jun - 03 Jul	Lufthansa
29 Jun - 06 Jul	Lufthansa
29 Jun - 13 Jul	Lufthansa
29 Jun - 10 Jul	WestJet

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 561€

Return flights