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

Return flights

13 Dec - 17 Dec	Air France	direct
13 Dec - 16 Dec	Air France	direct
11 Dec - 15 Dec	easyJet
02 Dec - 04 Dec	easyJet
08 Dec - 10 Dec	easyJet
07 Dec - 09 Dec	easyJet
07 Dec - 10 Dec	easyJet
09 Dec - 10 Dec	easyJet
08 Dec - 11 Dec	easyJet
07 Dec - 11 Dec	easyJet
26 Dec - 01 Jan	Air France
23 Dec - 04 Jan	Lufthansa
23 Dec - 03 Jan	Lufthansa
28 Dec - 02 Jan	Lufthansa
25 Dec - 01 Jan	Air France
24 Dec - 01 Jan	Air France
30 Dec - 04 Jan	Air France

Also check the deals for one-way flights from Paris 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 Paris to Basel in December from 140€

Return flights