AirHint found the following cheapest return flights from Milano (MXP) to Luxemburg (LUX) in September 2025 (see full year).

Return flights

27 Sep - 30 Sep	Luxair	direct
25 Sep - 29 Sep	Luxair	direct
27 Sep - 29 Sep	Luxair	direct
24 Sep - 29 Sep	Luxair	direct
25 Sep - 30 Sep	Luxair	direct
27 Sep - 07 Oct	Luxair	direct
27 Sep - 02 Oct	Luxair	direct
25 Sep - 01 Oct	Luxair	direct
24 Sep - 01 Oct	Luxair	direct
17 Sep - 21 Sep	Luxair	direct
18 Sep - 21 Sep	Luxair	direct
26 Sep - 02 Oct	Luxair	direct
16 Sep - 16 Sep	Luxair	direct
11 Sep - 14 Sep	Luxair	direct
20 Sep - 21 Sep	Luxair	direct
30 Sep - 01 Oct	Luxair	direct
29 Sep - 02 Oct	Wizz Air Malta
29 Sep - 02 Oct	Luxair	direct
30 Sep - 03 Oct	Ryanair

Also check the deals for one-way flights from Milano to Luxemburg 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 Milano to Luxemburg in September from $103

Return flights