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

Return flights

11 Oct - 19 Oct	Ryanair
21 Oct - 28 Oct	easyJet
20 Oct - 28 Oct	Vueling Airlines
21 Oct - 29 Oct	easyJet
13 Oct - 19 Oct	Ryanair
24 Oct - 28 Oct	Iberia
28 Oct - 06 Nov	Iberia
16 Oct - 23 Oct	easyJet
08 Oct - 25 Oct	KLM
24 Oct - 29 Oct	Iberia
07 Oct - 16 Oct	Ryanair
31 Oct - 07 Nov	Ryanair
31 Oct - 08 Nov	Ryanair
01 Oct - 08 Nov	Ryanair
24 Oct - 01 Nov	Iberia
31 Oct - 02 Nov	Wizz Air
26 Oct - 02 Nov	Wizz Air Malta
25 Oct - 01 Nov	Ryanair
30 Oct - 01 Nov	Ryanair
01 Oct - 08 Nov	Fly Play	direct

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

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 October from $200

Return flights