AirHint found the following cheapest return flights from Alicante (ALC) to Keflavik (KEF) in August 2025 (see full year).

Return flights

26 Aug - 01 Sep	Iberia
25 Aug - 01 Sep	Iberia
01 Aug - 06 Aug	Wizz Air Malta
28 Aug - 01 Sep	Ryanair
23 Aug - 01 Sep	Iberia
23 Aug - 27 Aug	Iberia
23 Aug - 28 Aug	Iberia
28 Aug - 06 Sep	Ryanair
28 Aug - 07 Sep	Ryanair
30 Aug - 05 Sep	Iberia
26 Aug - 06 Sep	Iberia
26 Aug - 30 Aug	Iberia
29 Aug - 07 Sep	Ryanair
30 Aug - 07 Sep	Iberia
25 Aug - 30 Aug	Iberia
23 Aug - 30 Aug	Iberia
07 Aug - 13 Aug	Ryanair
23 Aug - 26 Aug	Iberia
28 Aug - 31 Aug	Ryanair
25 Aug - 26 Aug	Fly Play	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 232€

Return flights