Cheapest return flights from Montreal to Dublin in September from 391€

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

Return flights

16 Sep - 28 Sep Porter Airlines (Canada) Ltd
01 Sep - 10 Sep Porter Airlines (Canada) Ltd
02 Sep - 14 Sep Porter Airlines (Canada) Ltd
06 Sep - 17 Sep Air Transat
06 Sep - 24 Sep Air Transat
06 Sep - 15 Sep Air Transat
22 Sep - 29 Sep Air Transat
23 Sep - 30 Sep Air Transat
23 Sep - 29 Sep Air Transat
01 Sep - 13 Sep Air Transat
28 Sep - 05 Oct Air Transat
26 Sep - 03 Oct Air Transat
22 Sep - 06 Oct WestJet
25 Sep - 01 Oct WestJet
24 Sep - 01 Oct WestJet
01 Sep - 01 Oct WestJet
29 Sep - 06 Oct Lufthansa
30 Sep - 07 Oct Air Canada
25 Sep - 02 Oct Lufthansa
27 Sep - 04 Oct Lufthansa

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

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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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