Cheapest return flights from St. Louis to Milano in September from $575

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

Return flights

17 Sep - 24 Sep United
17 Sep - 15 Oct Air France
23 Sep - 30 Sep United
14 Sep - 21 Sep United
29 Sep - 06 Oct United
08 Sep - 15 Sep United
20 Sep - 27 Sep United
11 Sep - 18 Sep United
26 Sep - 03 Oct United
02 Sep - 09 Sep United
05 Sep - 12 Sep United
22 Sep - 28 Sep Turkish Airlines

Also check the deals for one-way flights from St. Louis to Milano in September.

Skyscanner

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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