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

Return flights

10 Dec - 13 Dec	easyJet
01 Dec - 06 Dec	easyJet
03 Dec - 06 Dec	easyJet
10 Dec - 17 Dec	easyJet
12 Dec - 16 Dec	easyJet
12 Dec - 15 Dec	easyJet
09 Dec - 11 Dec	easyJet
02 Dec - 04 Dec	easyJet
14 Dec - 15 Dec	easyJet
16 Dec - 18 Dec	easyJet
16 Dec - 04 Jan	Lufthansa
25 Dec - 07 Jan	Austrian Airlines
25 Dec - 08 Jan	Austrian Airlines
29 Dec - 04 Jan	Lufthansa
29 Dec - 02 Jan	Lufthansa
30 Dec - 03 Jan	Lufthansa
29 Dec - 03 Jan	Lufthansa
31 Dec - 03 Jan	Lufthansa
11 Dec - 05 Jan	Lufthansa
30 Dec - 06 Jan	Lufthansa

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 $140

Return flights