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	Lufthansa
24 Mar - 31 Mar	Lufthansa
18 Mar - 25 Mar	FrenchBee
23 Mar - 30 Mar	WestJet
31 Mar - 07 Apr	Air Canada
09 Mar - 16 Mar	Lufthansa
04 Mar - 11 Mar	Lufthansa
03 Mar - 10 Mar	Lufthansa
29 Mar - 05 Apr	FrenchBee
11 Mar - 23 Mar	FrenchBee
06 Mar - 13 Mar	WestJet
10 Mar - 17 Mar	SWISS
05 Mar - 11 Mar	SWISS
30 Mar - 06 Apr	Air Canada
26 Mar - 04 Apr	Air Transat
27 Mar - 03 Apr	FrenchBee
26 Mar - 02 Apr	Lufthansa
28 Mar - 04 Apr	SWISS

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 474€

Return flights