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

Return flights

06 Mar - 12 Mar	WestJet
25 Mar - 02 Apr	WestJet
04 Mar - 11 Mar	Lufthansa
09 Mar - 16 Mar	Lufthansa
05 Mar - 16 Mar	Lufthansa
05 Mar - 12 Mar	British Airways
09 Mar - 26 Mar	British Airways
24 Mar - 31 Mar	Air Canada
31 Mar - 07 Apr	Air Canada
30 Mar - 13 Apr	Air Canada
23 Mar - 30 Mar	Air Canada
25 Mar - 01 Apr	Lufthansa
30 Mar - 06 Apr	Lufthansa
16 Mar - 23 Mar	Lufthansa
26 Mar - 02 Apr	Air Canada
17 Mar - 24 Mar	British Airways
29 Mar - 05 Apr	Lufthansa
28 Mar - 04 Apr	British Airways
26 Mar - 05 Apr	Porter Airlines (Canada) Ltd
27 Mar - 03 Apr	FrenchBee

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

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 March from $456

Return flights