Cheapest return flights from Montreal to Dublin in September from $482

AirHint found the following cheapest return flights from Montreal (YUL) to Dublin (DUB) in September 2025 (see full year).

Return flights

15 Sep - 22 Sep FrenchBee
15 Sep - 25 Sep FrenchBee
10 Sep - 16 Sep FrenchBee
14 Sep - 23 Sep FrenchBee
10 Sep - 22 Sep FrenchBee
29 Sep - 07 Oct FrenchBee
17 Sep - 29 Sep FrenchBee
29 Sep - 07 Oct Air Canada direct
08 Sep - 12 Sep FrenchBee
19 Sep - 07 Oct Air Canada direct
18 Sep - 07 Oct Air Canada
30 Sep - 07 Oct Air Canada
29 Sep - 06 Oct Lufthansa
07 Sep - 11 Sep FrenchBee
19 Sep - 26 Sep FrenchBee
14 Sep - 21 Sep FrenchBee
29 Sep - 10 Oct FrenchBee
24 Sep - 01 Oct Porter Airlines (Canada) Ltd
28 Sep - 05 Oct Air Canada
26 Sep - 07 Oct Air Transat

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

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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