Cheapest return flights from Athens to Keflavik in December from $242

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 December 2025 (see full year).

Return flights

01 Dec - 08 Dec Wizz Air UK
08 Dec - 21 Dec SKY express
20 Dec - 26 Dec easyJet
26 Dec - 30 Dec Wizz Air UK
24 Dec - 30 Dec Scandinavian Airlines
19 Dec - 26 Dec LOT
20 Dec - 25 Dec easyJet
25 Dec - 02 Jan Wizz Air

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

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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