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

Return flights

19 Dec - 26 Dec	Ryanair
20 Dec - 27 Dec	Ryanair
22 Dec - 29 Dec	Ryanair
24 Dec - 26 Dec	Ryanair
31 Dec - 05 Jan	Ryanair
08 Dec - 15 Dec	Ryanair
31 Dec - 03 Jan	Ryanair
23 Dec - 30 Dec	Ryanair
15 Dec - 17 Dec	Ryanair
24 Dec - 29 Dec	Ryanair
30 Dec - 03 Jan	Ryanair
12 Dec - 15 Dec	Ryanair
23 Dec - 26 Dec	Ryanair
31 Dec - 02 Jan	Ryanair
30 Dec - 02 Jan	Ryanair
29 Dec - 05 Jan	Ryanair
31 Dec - 01 Jan	Ryanair
26 Dec - 03 Jan	Ryanair
31 Dec - 07 Jan	KLM	direct
26 Dec - 01 Jan	KLM	direct

Also check the deals for one-way flights from Cardiff to Amsterdam 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 Cardiff to Amsterdam in December from 139€

Return flights