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

Return flights

02 Jun - 10 Jun	Transavia France
04 Jun - 16 Jun	KLM
10 Jun - 20 Jun	easyJet
09 Jun - 20 Jun	easyJet
06 Jun - 10 Jun	easyJet
17 Jun - 01 Jul	easyJet
11 Jun - 20 Jun	Wizz Air Malta
25 Jun - 04 Jul	easyJet
13 Jun - 24 Jun	SWISS
11 Jun - 23 Jun	Wizz Air Malta
13 Jun - 25 Jun	easyJet
13 Jun - 23 Jun	easyJet
16 Jun - 07 Jul	Wizz Air
25 Jun - 02 Jul	easyJet
27 Jun - 16 Jul	Icelandair	direct
25 Jun - 02 Jul	Icelandair	direct
25 Jun - 04 Jul	Icelandair	direct
17 Jun - 01 Jul	Icelandair	direct
17 Jun - 08 Jul	Vueling Airlines
13 Jun - 01 Jul	Vueling Airlines

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

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 Keflavik to Alicante in June from $250

Return flights