Cheapest return flights from Porto to Keflavik in December from $210

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

Return flights

08 Dec - 13 Dec easyJet
01 Dec - 09 Dec easyJet
08 Dec - 14 Dec easyJet
08 Dec - 15 Dec easyJet
01 Dec - 10 Dec easyJet
07 Dec - 13 Dec easyJet
10 Dec - 14 Dec easyJet
15 Dec - 01 Jan Ryanair
06 Dec - 08 Dec Ryanair
04 Dec - 12 Dec Ryanair
11 Dec - 17 Dec Ryanair
30 Dec - 07 Jan Ryanair
23 Dec - 01 Jan Ryanair
30 Dec - 03 Jan Ryanair
24 Dec - 01 Jan Wizz Air
29 Dec - 06 Jan Ryanair
16 Dec - 02 Jan Ryanair
26 Dec - 03 Jan Ryanair
27 Dec - 16 Jan Ryanair
26 Dec - 04 Jan Scandinavian Airlines

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

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