Cheapest return flights from Milano to Sofia in September from $167

Best time to book flights for Milano (MXP) to Sofia (SOF) flights at AirHint

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

Return flights

27 Sep - 28 Sep Air Serbia
12 Sep - 26 Sep Air Serbia
27 Sep - 02 Oct Air Serbia
27 Sep - 04 Oct Austrian Airlines
13 Sep - 14 Sep Air Serbia
12 Sep - 26 Sep ITA Airways direct

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

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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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