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 - 07 Dec	easyJet	direct
14 Dec - 17 Dec	easyJet	direct
06 Dec - 10 Dec	Pegasus Airlines
01 Dec - 10 Dec	Pegasus Airlines
10 Dec - 14 Dec	easyJet	direct
05 Dec - 07 Dec	Pegasus Airlines
07 Dec - 17 Dec	easyJet
04 Dec - 07 Dec	Pegasus Airlines
07 Dec - 17 Dec	easyJet	direct
28 Dec - 04 Jan	easyJet	direct
28 Dec - 03 Jan	easyJet
31 Dec - 04 Jan	easyJet	direct
28 Dec - 02 Jan	easyJet
27 Dec - 03 Jan	Vueling Airlines

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 61€

Return flights