Cheapest return flights from Porto to Keflavik in September from 220€

AirHint found the following cheapest return flights from Porto (OPO) to Keflavik (KEF) in September 2026 (see full year).

Return flights

26 Sep - 03 Oct Vueling Airlines
16 Sep - 22 Sep easyJet
19 Sep - 28 Sep Ryanair
07 Sep - 17 Sep easyJet
13 Sep - 17 Sep KLM
21 Sep - 30 Sep easyJet
01 Sep - 03 Sep Lufthansa
13 Sep - 16 Sep KLM
03 Sep - 06 Sep easyJet
11 Sep - 14 Sep Lufthansa

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

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