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

Return flights

25 Mar - 01 Apr	TAP
27 Mar - 03 Apr	TAP
26 Mar - 02 Apr	Aer Lingus
30 Mar - 06 Apr	TAP
04 Mar - 11 Mar	British Airways
20 Mar - 27 Mar	TAP
03 Mar - 10 Mar	Aer Lingus
05 Mar - 12 Mar	Aer Lingus
09 Mar - 16 Mar	Aer Lingus
19 Mar - 26 Mar	Aer Lingus
17 Mar - 24 Mar	British Airways
31 Mar - 07 Apr	WestJet
11 Mar - 18 Mar	FrenchBee
29 Mar - 05 Apr	TAP
01 Mar - 08 Mar	FrenchBee
23 Mar - 30 Mar	Air Canada
28 Mar - 04 Apr	Aer Lingus

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 559€

Return flights