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

Return flights

10 Dec - 14 Dec	easyJet
11 Dec - 14 Dec	easyJet
04 Dec - 07 Dec	easyJet
05 Dec - 07 Dec	Ryanair
05 Dec - 14 Dec	Ryanair
05 Dec - 10 Dec	Ryanair
04 Dec - 11 Dec	easyJet
15 Dec - 20 Dec	Ryanair
07 Dec - 12 Dec	Ryanair
11 Dec - 21 Dec	easyJet
29 Dec - 02 Jan	Austrian Airlines
30 Dec - 03 Jan	SKY express

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 $169

Return flights