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

Return flights

09 Sep - 09 Oct	Air France
29 Sep - 06 Oct	KLM
29 Sep - 10 Oct	Air France
29 Sep - 16 Oct	KLM
03 Sep - 17 Sep	Delta
10 Sep - 17 Sep	Delta
30 Sep - 07 Oct	KLM
23 Sep - 01 Oct	Air Transat
28 Sep - 05 Oct	KLM
09 Sep - 09 Oct	Lufthansa	direct
09 Sep - 23 Oct	Lufthansa	direct
30 Sep - 11 Oct	Air Canada
19 Sep - 26 Sep	FrenchBee
19 Sep - 27 Sep	FrenchBee
20 Sep - 27 Sep	Air Transat
09 Sep - 16 Sep	Porter Airlines (Canada) Ltd
08 Sep - 15 Sep	FrenchBee
19 Sep - 25 Sep	FrenchBee
03 Sep - 17 Sep	Lufthansa	direct
03 Sep - 10 Sep	Lufthansa	direct

Also check the deals for one-way flights from Montreal to Naples 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 Naples in September from 498€

Return flights