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

Return flights

30 Aug - 07 Sep	Iberia
30 Aug - 06 Sep	Fly Play
25 Aug - 27 Aug	Fly Play
29 Aug - 07 Sep	Fly Play
28 Aug - 02 Sep	Fly Play
22 Aug - 25 Aug	Iberia
26 Aug - 02 Sep	Iberia
28 Aug - 06 Sep	Fly Play
29 Aug - 06 Sep	Fly Play
26 Aug - 28 Aug	Iberia
25 Aug - 26 Aug	Fly Play	direct
29 Aug - 08 Sep	Fly Play
28 Aug - 05 Sep	Fly Play
23 Aug - 28 Aug	Air Europa
26 Aug - 29 Aug	Fly Play	direct
25 Aug - 29 Aug	Fly Play	direct
28 Aug - 04 Sep	Fly Play
26 Aug - 28 Aug	Fly Play	direct
28 Aug - 30 Aug	Fly Play	direct
23 Aug - 31 Aug	Air Europa

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 271€

Return flights