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

Return flights

30 Dec - 06 Jan	Ryanair
29 Dec - 05 Jan	Ryanair
26 Dec - 29 Dec	Ryanair
31 Dec - 05 Jan	Ryanair
27 Dec - 29 Dec	Vueling Airlines
29 Dec - 31 Dec	Ryanair
30 Dec - 03 Jan	Ryanair
28 Dec - 31 Dec	Ryanair
28 Dec - 29 Dec	Ryanair
27 Dec - 30 Dec	Vueling Airlines
31 Dec - 01 Jan	Ryanair
26 Dec - 28 Dec	Ryanair
29 Dec - 05 Jan	KLM	direct
30 Dec - 06 Jan	KLM	direct
29 Dec - 02 Jan	Ryanair
30 Dec - 03 Jan	KLM	direct
26 Dec - 27 Dec	Ryanair
29 Dec - 02 Jan	KLM	direct
28 Dec - 31 Dec	KLM	direct
27 Dec - 30 Dec	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 162€

Return flights