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

Return flights

22 Dec - 26 Dec	Lufthansa
21 Dec - 27 Dec	Lufthansa
15 Dec - 20 Dec	Lufthansa
13 Dec - 16 Dec	Lufthansa
21 Dec - 25 Dec	Lufthansa
24 Dec - 28 Dec	Lufthansa
20 Dec - 27 Dec	Lufthansa
18 Dec - 21 Dec	Lufthansa
19 Dec - 22 Dec	Lufthansa
19 Dec - 23 Dec	Lufthansa
20 Dec - 05 Jan	Lufthansa
31 Dec - 05 Jan	Lufthansa
28 Dec - 02 Jan	Austrian Airlines
28 Dec - 01 Jan	Lufthansa
31 Dec - 01 Jan	Lufthansa
30 Dec - 02 Jan	Lufthansa

Also check the deals for one-way flights from Milan to Basel 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 Basel in December from $145

Return flights