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

Return flights

27 Jul - 03 Aug	Air Transat
20 Jul - 27 Jul	Air Transat
22 Jul - 29 Jul	Air Transat
23 Jul - 30 Jul	Air Transat
28 Jul - 04 Aug	Air Transat
29 Jul - 05 Aug	Air Transat
30 Jul - 06 Aug	Air Transat
21 Jul - 28 Jul	Air Transat
15 Jul - 27 Jul	Air Canada	direct
27 Jul - 03 Aug	Air Canada	direct
02 Jul - 09 Jul	Air Canada
07 Jul - 14 Jul	Air Canada
08 Jul - 15 Jul	Air Canada
09 Jul - 16 Jul	Air Canada
13 Jul - 20 Jul	Air Canada
19 Jul - 10 Aug	Air Transat
19 Jul - 10 Aug	Air Canada	direct
25 Jul - 01 Aug	Air Transat
26 Jul - 02 Aug	Air Transat
31 Jul - 07 Aug	Air Transat

Also check the deals for one-way flights from Montreal to Dublin in July.

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 July from $688

Return flights