AirHint found the following cheapest return flights from Alicante (ALC) to Keflavik (KEF) in March 2026 (see full year).

Return flights

18 Mar - 22 Mar	KLM
17 Mar - 21 Mar	KLM
14 Mar - 22 Mar	KLM
15 Mar - 22 Mar	KLM
10 Mar - 14 Mar	KLM
05 Mar - 08 Mar	easyJet
19 Mar - 22 Mar	KLM
19 Mar - 21 Mar	KLM
03 Mar - 07 Mar	KLM
05 Mar - 26 Mar	easyJet
29 Mar - 08 Apr	KLM
31 Mar - 04 Apr	Scandinavian Airlines
28 Mar - 04 Apr	KLM
27 Mar - 02 Apr	KLM
29 Mar - 04 Apr	KLM
26 Mar - 04 Apr	KLM
31 Mar - 11 Apr	Scandinavian Airlines
28 Mar - 07 Apr	KLM
26 Mar - 06 Apr	Wizz Air Malta
27 Mar - 06 Apr	KLM

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

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 March from 174€

Return flights