Cheapest return flights from Athens to Keflavik in December from $222

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

Return flights

03 Dec - 06 Dec easyJet
01 Dec - 06 Dec easyJet
24 Dec - 04 Jan Scandinavian Airlines
08 Dec - 15 Dec Wizz Air UK
24 Dec - 30 Dec Scandinavian Airlines
06 Dec - 11 Dec Ryanair
19 Dec - 03 Jan easyJet
14 Dec - 19 Dec Wizz Air UK
19 Dec - 23 Dec easyJet
22 Dec - 30 Dec Aegean Airlines
26 Dec - 31 Dec Wizz Air
23 Dec - 26 Dec British Airways
26 Dec - 03 Jan Ryanair
23 Dec - 01 Jan British Airways
24 Dec - 01 Jan Scandinavian Airlines
26 Dec - 01 Jan Ryanair
25 Dec - 01 Jan SKY express

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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