Cheapest return flights from Athens to Keflavik in July from $364

Best time to book flights for Athens (ATH) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Athens (ATH) to Keflavik (KEF) in July 2025 (see full year).

Return flights

02 Jul - 10 Jul Ryanair
04 Jul - 10 Jul Scandinavian Airlines
10 Jul - 13 Jul Ryanair
04 Jul - 22 Jul Scandinavian Airlines
08 Jul - 15 Jul easyJet
03 Jul - 08 Jul easyJet
11 Jul - 23 Jul Scandinavian Airlines
29 Jul - 05 Aug Ryanair
08 Jul - 17 Jul Ryanair
09 Jul - 15 Jul easyJet
31 Jul - 03 Aug Scandinavian Airlines
28 Jul - 06 Aug Ryanair
11 Jul - 20 Jul Air Serbia
23 Jul - 01 Aug Scandinavian Airlines
20 Jul - 03 Aug Vueling Airlines

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

Skyscanner

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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