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

Return flights

07 Dec - 10 Dec	easyJet	direct
03 Dec - 10 Dec	easyJet	direct
14 Dec - 17 Dec	easyJet	direct
07 Dec - 14 Dec	easyJet	direct
03 Dec - 07 Dec	easyJet	direct
10 Dec - 14 Dec	easyJet	direct
21 Dec - 31 Dec	easyJet	direct
28 Dec - 31 Dec	easyJet	direct
17 Dec - 21 Dec	easyJet
23 Dec - 04 Jan	Pegasus Airlines
07 Dec - 12 Dec	easyJet
23 Dec - 02 Jan	Pegasus Airlines
26 Dec - 03 Jan	SKY express
28 Dec - 02 Jan	easyJet
29 Dec - 01 Jan	Air France

Also check the deals for one-way flights from Athens 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 Athens to Basel in December from 67€

Return flights