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

Return flights

01 Jul - 07 Jul	Scandinavian Airlines
14 Jul - 04 Aug	SKY express
09 Jul - 14 Jul	Scandinavian Airlines
14 Jul - 28 Jul	SKY express
15 Jul - 22 Jul	SKY express
04 Jul - 15 Jul	Wizz Air UK
14 Jul - 18 Jul	SKY express
14 Jul - 21 Jul	easyJet
27 Jul - 03 Aug	SKY express
31 Jul - 09 Aug	SKY express
11 Jul - 18 Jul	Wizz Air UK
23 Jul - 05 Aug	SKY express
09 Jul - 13 Jul	Wizz Air
31 Jul - 08 Aug	SKY express

Also check the deals for one-way flights from Athens to Keflavik in July.

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 July from $349

Return flights