AirHint found the following cheapest one-way flights from Montreal (YUL) to Dublin (DUB) in September 2026 (see full year).
One-Way flights
| 20 Sep | WestJet | ||
| 14 Sep | WestJet | ||
| 19 Sep | WestJet | ||
| 14 Sep | Air Canada | direct | |
| 20 Sep | Air Canada | direct |
Also check the deals for return flights from Montreal to Dublin in September.
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