Cheapest return flights from Montreal to Dublin in May from $585

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

Return flights

07 May - 14 May Air Canada
11 May - 18 May Air Canada
12 May - 19 May Air Canada
13 May - 20 May Air Canada
14 May - 21 May Air Canada
18 May - 25 May Air Canada
19 May - 26 May Air Canada
20 May - 27 May Air Canada
22 May - 29 May Lufthansa
21 May - 28 May Air Canada
26 May - 02 Jun Air Canada
27 May - 03 Jun Air Canada
30 May - 06 Jun Air Canada
29 May - 05 Jun Air Canada
28 May - 04 Jun Lufthansa
31 May - 07 Jun SWISS
25 May - 01 Jun SWISS

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

Skyscanner

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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