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

Return flights

10 Mar - 17 Mar	Air Transat
05 Mar - 12 Mar	Porter Airlines (Canada) Ltd
07 Mar - 14 Mar	Air Transat
04 Mar - 11 Mar	WestJet
06 Mar - 13 Mar	WestJet
09 Mar - 16 Mar	British Airways
18 Mar - 25 Mar	British Airways
19 Mar - 26 Mar	British Airways
22 Mar - 29 Mar	FrenchBee
20 Mar - 27 Mar	WestJet
29 Mar - 05 Apr	FrenchBee
25 Mar - 01 Apr	British Airways
26 Mar - 02 Apr	British Airways
31 Mar - 07 Apr	Air Canada
30 Mar - 06 Apr	Air Canada
27 Mar - 03 Apr	FrenchBee
28 Mar - 04 Apr	Air Transat

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 469€

Return flights