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

Return flights

25 Aug - 01 Sep	Norwegian Air Sweden AOC
26 Aug - 01 Sep	Norwegian
25 Aug - 31 Aug	Norwegian Air Sweden AOC
24 Aug - 27 Aug	Norwegian Air Sweden AOC
02 Aug - 10 Aug	KLM
26 Aug - 29 Aug	Scandinavian Airlines
02 Aug - 11 Aug	KLM
22 Aug - 27 Aug	KLM
12 Aug - 20 Aug	KLM
17 Aug - 25 Aug	Iberia
18 Aug - 26 Aug	Finnair
18 Aug - 25 Aug	Finnair
26 Aug - 05 Sep	Vueling Airlines
26 Aug - 01 Sep	Icelandair	direct
25 Aug - 01 Sep	Icelandair	direct

Also check the deals for one-way flights from Alicante to Keflavik in August.

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 Alicante to Keflavik in August from $274

Return flights