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

Return flights

23 Oct - 28 Oct	Ryanair
21 Oct - 28 Oct	easyJet
23 Oct - 27 Oct	Ryanair
18 Oct - 26 Oct	Vueling Airlines
22 Oct - 28 Oct	Ryanair
24 Oct - 27 Oct	Iberia
17 Oct - 28 Oct	Ryanair
07 Oct - 14 Oct	Ryanair
25 Oct - 28 Oct	Air Europa
23 Oct - 26 Oct	Ryanair
30 Oct - 02 Nov	Wizz Air Malta
31 Oct - 04 Nov	Wizz Air
31 Oct - 08 Nov	Ryanair
25 Oct - 01 Nov	Air Europa
31 Oct - 03 Nov	Ryanair
28 Oct - 01 Nov	Vueling Airlines
23 Oct - 01 Nov	Fly Play	direct
30 Oct - 06 Nov	Fly Play	direct
25 Oct - 01 Nov	Fly Play	direct
28 Oct - 01 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 169€

Return flights