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

Return flights

13 Dec - 14 Dec	easyJet
29 Dec - 05 Jan	easyJet
16 Dec - 17 Dec	Ryanair
10 Dec - 11 Dec	transavia
10 Dec - 17 Dec	AJet
22 Dec - 26 Dec	easyJet
25 Dec - 04 Jan	transavia
22 Dec - 28 Dec	easyJet
23 Dec - 25 Dec	easyJet
20 Dec - 21 Dec	easyJet
21 Dec - 25 Dec	easyJet
23 Dec - 27 Dec	easyJet

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to Cologne in December from 221€

Return flights