Cheapest return flights from Porto to Keflavik in December from 217€

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

Return flights

07 Dec - 09 Dec Jet2
02 Dec - 06 Dec Ryanair
10 Dec - 13 Dec Transavia France
08 Dec - 12 Dec easyJet
01 Dec - 04 Dec Ryanair
04 Dec - 14 Dec KLM
07 Dec - 12 Dec Jet2
02 Dec - 10 Dec Ryanair
07 Dec - 13 Dec Jet2
02 Dec - 08 Dec Ryanair
31 Dec - 07 Jan Ryanair
30 Dec - 06 Jan Ryanair
12 Dec - 05 Jan Ryanair
31 Dec - 03 Jan Ryanair
29 Dec - 02 Jan Ryanair
30 Dec - 03 Jan Ryanair
27 Dec - 04 Jan Ryanair
26 Dec - 04 Jan Ryanair
29 Dec - 05 Jan Ryanair
26 Dec - 05 Jan Ryanair

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

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