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

Return flights

20 Dec - 10 Jan	Lufthansa
15 Dec - 29 Dec	Ryanair
15 Dec - 26 Dec	Ryanair
27 Dec - 31 Dec	SKY express
15 Dec - 27 Dec	Ryanair
24 Dec - 28 Dec	SKY express
26 Dec - 30 Dec	Ryanair
21 Dec - 25 Dec	Ryanair
22 Dec - 27 Dec	Lufthansa

Also check the deals for one-way flights from Thessaloniki 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 Thessaloniki to Basel in December from 209€

Return flights