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

Return flights

20 Jun - 30 Jun	Wizz Air UK
18 Jun - 01 Jul	Scandinavian Airlines
04 Jun - 08 Jun	Scandinavian Airlines
05 Jun - 09 Jun	Scandinavian Airlines
02 Jun - 13 Jun	SKY express
23 Jun - 02 Jul	Scandinavian Airlines
23 Jun - 27 Jun	SKY express
01 Jun - 08 Jun	Scandinavian Airlines
07 Jun - 14 Jun	SKY express
18 Jun - 05 Jul	Scandinavian Airlines
24 Jun - 03 Jul	Transavia France
23 Jun - 03 Jul	easyJet
25 Jun - 29 Jun	transavia
25 Jun - 05 Jul	Wizz Air

Also check the deals for one-way flights from Athens to Keflavik 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 Athens to Keflavik in June from $326

Return flights