Cheapest return flights from Porto to Keflavik in July from $391

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

Return flights

01 Jul - 10 Jul KLM
31 Jul - 10 Aug KLM
18 Jul - 25 Jul Ryanair
12 Jul - 19 Jul Ryanair
11 Jul - 18 Jul Scandinavian Airlines
18 Jul - 26 Jul Ryanair
12 Jul - 18 Jul Scandinavian Airlines
18 Jul - 19 Jul easyJet
25 Jul - 31 Jul Lufthansa
25 Jul - 26 Jul Lufthansa
24 Jul - 01 Aug Ryanair
11 Jul - 25 Jul Vueling Airlines

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

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