AirHint found the following cheapest one-way flights from Montreal (YUL) to Hahn (HHN) in September 2025 (see full year).

One-Way flights

08 Sep	FrenchBee
24 Sep	Porter Airlines (Canada) Ltd
25 Sep	Porter Airlines (Canada) Ltd
07 Sep	FrenchBee
02 Sep	Air Transat
26 Sep	Air Transat
11 Sep	Air Transat
06 Sep	Air Transat
05 Sep	Air Transat
03 Sep	FrenchBee

Also check the deals for return flights from Montreal to Hahn in September.

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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Cheapest one-way flights from Montreal to Hahn in September from $303

One-Way flights