Cheapest return flights from Athens to Keflavik in December from 178€

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

Return flights

10 Dec - 17 Dec easyJet
02 Dec - 05 Dec Wizz Air UK
16 Dec - 18 Dec Aegean Airlines
13 Dec - 17 Dec Ryanair
02 Dec - 06 Dec Wizz Air UK
15 Dec - 19 Dec easyJet
11 Dec - 15 Dec easyJet
30 Dec - 04 Jan Scandinavian Airlines
31 Dec - 05 Jan Scandinavian Airlines
08 Dec - 15 Dec easyJet
23 Dec - 01 Jan easyJet
02 Dec - 09 Dec British Airways
22 Dec - 31 Dec Aegean Airlines
23 Dec - 03 Jan easyJet
27 Dec - 01 Jan Ryanair

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

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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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