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

Return flights

24 Dec - 04 Jan	Wizz Air
21 Dec - 28 Dec	Wizz Air
18 Dec - 19 Dec	Ryanair
22 Dec - 26 Dec	Wizz Air
05 Dec - 08 Dec	Ryanair
26 Dec - 28 Dec	Wizz Air
12 Dec - 15 Dec	Ryanair
06 Dec - 13 Dec	Ryanair
19 Dec - 21 Dec	Wizz Air

Also check the deals for one-way flights from Warsaw 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 Warsaw to Basel in December from $247

Return flights