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

Return flights

01 Apr - 08 Apr	British Airways
02 Apr - 09 Apr	British Airways
06 Apr - 13 Apr	British Airways
08 Apr - 15 Apr	British Airways
09 Apr - 16 Apr	British Airways
13 Apr - 20 Apr	British Airways
14 Apr - 21 Apr	British Airways
16 Apr - 23 Apr	British Airways
20 Apr - 27 Apr	British Airways
22 Apr - 29 Apr	British Airways
29 Apr - 06 May	TAP
27 Apr - 04 May	British Airways
28 Apr - 05 May	British Airways
30 Apr - 07 May	British Airways
24 Apr - 01 May	TAP
25 Apr - 02 May	Lufthansa
26 Apr - 03 May	Lufthansa

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

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 April from 520€

Return flights