Cheapest return flights from Montreal to Dublin in September from 415€

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
21 Sep - 04 Oct FrenchBee
29 Sep - 06 Oct FrenchBee
14 Sep - 26 Sep FrenchBee
15 Sep - 29 Sep FrenchBee
19 Sep - 26 Sep FrenchBee
22 Sep - 29 Sep FrenchBee
12 Sep - 22 Sep FrenchBee
01 Sep - 22 Sep FrenchBee
14 Sep - 29 Sep FrenchBee
29 Sep - 20 Oct FrenchBee
08 Sep - 15 Sep FrenchBee
19 Sep - 06 Oct FrenchBee
24 Sep - 07 Oct Porter Airlines (Canada) Ltd
15 Sep - 25 Sep Air Transat
29 Sep - 07 Oct WestJet
19 Sep - 23 Oct FrenchBee
28 Sep - 05 Oct WestJet
30 Sep - 07 Oct Porter Airlines (Canada) Ltd
10 Sep - 02 Oct FrenchBee

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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