Cheapest return flights from Milano to Sofia in September from $159

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

10 Sep - 16 Sep Ryanair
21 Sep - 22 Sep Air Serbia
24 Sep - 28 Sep Air Serbia
26 Sep - 28 Sep Air Serbia
05 Sep - 07 Sep Air Serbia
10 Sep - 13 Sep Air Serbia
02 Sep - 07 Sep Air Serbia
20 Sep - 22 Sep Air Serbia
04 Sep - 07 Sep Air Serbia
21 Sep - 23 Sep Air Serbia
29 Sep - 05 Oct Air Serbia
27 Sep - 03 Oct Air Serbia
21 Sep - 01 Oct SKY express
24 Sep - 01 Oct SKY express
24 Sep - 13 Oct SKY express
10 Sep - 01 Oct SKY express

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