Cheapest return flights from Alicante to Keflavik in September from $188

Best time to book flights for Alicante (ALC) to Keflavik (KEF) flights at AirHint

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

Return flights

23 Sep - 28 Sep easyJet
25 Sep - 30 Sep easyJet
16 Sep - 22 Sep easyJet
10 Sep - 17 Sep easyJet
27 Sep - 07 Oct easyJet
02 Sep - 16 Sep Vueling Airlines
02 Sep - 13 Sep Vueling Airlines
15 Sep - 21 Sep Vueling Airlines
06 Sep - 20 Sep easyJet
06 Sep - 16 Sep easyJet
06 Sep - 13 Sep easyJet
27 Sep - 07 Oct Fly Play direct

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

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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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