Cheapest return flights from Alicante to Keflavik in September from $235

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

10 Sep - 20 Sep easyJet
30 Sep - 08 Oct easyJet
02 Sep - 10 Sep easyJet
20 Sep - 23 Sep easyJet
20 Sep - 27 Sep easyJet
10 Sep - 15 Sep easyJet
25 Sep - 04 Oct easyJet
26 Sep - 03 Oct easyJet
23 Sep - 30 Sep easyJet
26 Sep - 05 Oct easyJet
09 Sep - 20 Sep Vueling Airlines
12 Sep - 20 Sep easyJet
13 Sep - 20 Sep Scandinavian Airlines
25 Sep - 02 Oct easyJet
02 Sep - 15 Sep Vueling Airlines
27 Sep - 04 Oct easyJet
30 Sep - 08 Oct Fly Play direct
25 Sep - 02 Oct Fly Play direct
30 Sep - 10 Oct Neos Air direct
25 Sep - 04 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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