AirHint found the following cheapest return flights from Cardiff (CWL) to Alicante (ALC) in April 2026 (see full year).

Return flights

04 Apr - 11 Apr	KLM
07 Apr - 12 Apr	KLM
09 Apr - 12 Apr	KLM
13 Apr - 19 Apr	KLM
30 Apr - 07 May	KLM
03 Apr - 08 Apr	KLM
18 Apr - 25 Apr	TUI	direct
01 Apr - 05 Apr	KLM
29 Apr - 06 May	Aer Lingus
22 Apr - 27 Apr	Aer Lingus
21 Apr - 28 Apr	KLM
26 Apr - 06 May	KLM
24 Apr - 01 May	Aer Lingus
17 Apr - 24 Apr	KLM

Also check the deals for one-way flights from Cardiff to Alicante in April.

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 Alicante in April from 203€

Return flights