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

Return flights

22 Apr - 28 Apr	Wizz Air Malta
22 Apr - 05 May	Wizz Air Malta
22 Apr - 09 May	Wizz Air Malta
22 Apr - 12 May	Wizz Air Malta
18 Apr - 21 Apr	Wizz Air
28 Apr - 05 May	Wizz Air
22 Apr - 10 May	Austrian Airlines
21 Apr - 12 May	Wizz Air
14 Apr - 21 Apr	Wizz Air
22 Apr - 02 May	Wizz Air Malta
17 Apr - 21 Apr	easyJet
22 Apr - 04 May	Wizz Air Malta
22 Apr - 07 May	Wizz Air Malta
22 Apr - 08 May	Wizz Air Malta
22 Apr - 29 Apr	Wizz Air Malta
18 Apr - 22 Apr	Wizz Air
14 Apr - 24 Apr	Wizz Air
23 Apr - 28 Apr	Wizz Air
01 Apr - 18 Apr	KLM
04 Apr - 08 Apr	Wizz Air

Also check the deals for one-way flights from Keflavik 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 Keflavik to Alicante in April from $147

Return flights