Cheapest return flights from Alicante to Keflavik in September from $222

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

13 Sep - 23 Sep easyJet
11 Sep - 20 Sep easyJet
16 Sep - 23 Sep easyJet
18 Sep - 30 Sep easyJet
12 Sep - 17 Sep easyJet
15 Sep - 23 Sep Vueling Airlines
15 Sep - 24 Sep Vueling Airlines
30 Sep - 09 Oct Ryanair
14 Sep - 23 Sep easyJet
13 Sep - 20 Sep easyJet
02 Sep - 09 Sep 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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