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

Return flights

02 Sep - 08 Sep	Air Transat
12 Sep - 19 Sep	WestJet
05 Sep - 12 Sep	Air Transat
24 Sep - 01 Oct	Porter Airlines (Canada) Ltd
03 Sep - 10 Sep	FrenchBee
14 Sep - 21 Sep	FrenchBee
18 Sep - 09 Oct	WestJet
30 Sep - 07 Oct	WestJet
10 Sep - 17 Sep	FrenchBee
01 Sep - 15 Sep	TAP
17 Sep - 24 Sep	FrenchBee
16 Sep - 23 Sep	WestJet
18 Sep - 25 Sep	WestJet
28 Sep - 05 Oct	Porter Airlines (Canada) Ltd
26 Sep - 03 Oct	FrenchBee
15 Sep - 15 Oct	FrenchBee
19 Sep - 12 Oct	WestJet
25 Sep - 02 Oct	Porter Airlines (Canada) Ltd
29 Sep - 06 Oct	Porter Airlines (Canada) Ltd
13 Sep - 10 Oct	Air Transat

Also check the deals for one-way 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 return flights from Montreal to Hahn in September from $605

Return flights