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

Return flights

29 Dec - 05 Jan	Ryanair
30 Dec - 06 Jan	Ryanair
31 Dec - 31 Dec	Ryanair
31 Dec - 02 Jan	Ryanair
28 Dec - 31 Dec	Ryanair
31 Dec - 01 Jan	Ryanair
29 Dec - 30 Dec	Ryanair
28 Dec - 30 Dec	Ryanair
28 Dec - 29 Dec	Ryanair
26 Dec - 30 Dec	Aer Lingus
28 Dec - 04 Jan	Ryanair
29 Dec - 01 Jan	Ryanair
29 Dec - 02 Jan	Ryanair
30 Dec - 02 Jan	Vueling Airlines
27 Dec - 29 Dec	Ryanair
27 Dec - 28 Dec	Ryanair
27 Dec - 30 Dec	Ryanair
30 Dec - 31 Dec	Ryanair
29 Dec - 04 Jan	Loganair	direct
28 Dec - 04 Jan	Loganair	direct

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

Return flights