Cheapest return ATH–KEF flights, December

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

Return flights

01 Dec - 11 Dec SKY express
25 Dec - 03 Jan Wizz Air
10 Dec - 17 Dec easyJet
04 Dec - 11 Dec Ryanair
30 Dec - 05 Jan Wizz Air
22 Dec - 30 Dec Aegean Airlines
31 Dec - 06 Jan British Airways
31 Dec - 05 Jan British Airways
17 Dec - 22 Dec SKY express
24 Dec - 06 Jan Aegean Airlines
22 Dec - 27 Dec Aegean Airlines
24 Dec - 30 Dec Ryanair
30 Dec - 03 Jan Wizz Air
24 Dec - 28 Dec Aegean Airlines
30 Dec - 06 Jan British Airways
25 Dec - 02 Jan Aegean Airlines
24 Dec - 29 Dec Aegean Airlines
21 Dec - 28 Dec LOT
29 Dec - 03 Jan Air Serbia
29 Dec - 02 Jan KLM

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

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