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

Return flights

18 Dec - 19 Dec	Ryanair
15 Dec - 19 Dec	Ryanair
21 Dec - 23 Dec	Ryanair
19 Dec - 23 Dec	Ryanair
16 Dec - 19 Dec	Ryanair
24 Dec - 28 Dec	Ryanair
17 Dec - 18 Dec	Ryanair
15 Dec - 18 Dec	Ryanair
15 Dec - 20 Dec	Ryanair
22 Dec - 31 Dec	Ryanair
30 Dec - 01 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
29 Dec - 01 Jan	Ryanair
22 Dec - 05 Jan	Ryanair
30 Dec - 05 Jan	Ryanair
21 Dec - 03 Jan	Ryanair
29 Dec - 02 Jan	Ryanair
30 Dec - 04 Jan	Ryanair
30 Dec - 06 Jan	Ryanair
27 Dec - 02 Jan	Ryanair

Also check the deals for one-way flights from Cologne to Warsaw 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.

Book a cheap hotel in Warsaw

Cheap car rent in Warsaw

Cheapest return flights from Cologne to Warsaw in December from $176

Return flights