AirHint found the following cheapest return flights from Milan (LIN) to Sofia (SOF) in December 2025 (see full year).

Return flights

03 Dec - 06 Dec	easyJet
16 Dec - 18 Dec	easyJet
08 Dec - 11 Dec	easyJet
07 Dec - 11 Dec	ITA Airways
08 Dec - 10 Dec	ITA Airways
08 Dec - 12 Dec	easyJet
12 Dec - 14 Dec	easyJet
12 Dec - 15 Dec	easyJet
03 Dec - 10 Dec	ITA Airways
14 Dec - 16 Dec	easyJet
13 Dec - 10 Jan	easyJet
29 Dec - 08 Jan	Austrian Airlines
28 Dec - 07 Jan	Austrian Airlines
26 Dec - 01 Jan	Austrian Airlines
23 Dec - 13 Jan	easyJet
29 Dec - 05 Jan	Austrian Airlines
30 Dec - 05 Jan	Austrian Airlines
29 Dec - 02 Jan	ITA Airways
29 Dec - 06 Jan	Austrian Airlines
30 Dec - 06 Jan	Austrian Airlines

Also check the deals for one-way flights from Milan to Sofia in December.

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 Milan to Sofia in December from $144

Return flights