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

Return flights

06 Dec - 21 Jan	Ryanair
06 Dec - 07 Dec	Ryanair
04 Dec - 21 Jan	Ryanair
11 Dec - 14 Dec	Ryanair
23 Dec - 04 Jan	Wizz Air
05 Dec - 07 Dec	Ryanair
04 Dec - 05 Dec	Ryanair
04 Dec - 07 Dec	Ryanair
05 Dec - 21 Jan	Ryanair
19 Dec - 22 Dec	Wizz Air
17 Dec - 22 Dec	Wizz Air
17 Dec - 24 Dec	Wizz Air
29 Dec - 03 Jan	Wizz Air
09 Dec - 11 Dec	Wizz Air
23 Dec - 28 Dec	Wizz Air
30 Dec - 03 Jan	Ryanair

Also check the deals for one-way flights from Warsaw to Cologne 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 Cologne in December from 96€

Return flights