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
05 Sep - 08 Sep	Luxair	direct
11 Sep - 14 Sep	Luxair	direct
25 Sep - 29 Sep	Luxair	direct
10 Sep - 16 Sep	Luxair	direct
06 Sep - 08 Sep	Luxair	direct
26 Sep - 28 Sep	Luxair	direct
20 Sep - 22 Sep	Luxair	direct
27 Sep - 29 Sep	Luxair	direct
25 Sep - 27 Sep	Luxair	direct

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 78€

Return flights