Cheapest return flights from Keflavik to Porto in August from 591€

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

Return flights

15 Aug - 22 Aug Icelandair
26 Aug - 29 Aug Vueling Airlines
01 Aug - 12 Aug Vueling Airlines
15 Aug - 29 Aug Vueling Airlines
01 Aug - 22 Aug Vueling Airlines
01 Aug - 15 Aug Vueling Airlines
01 Aug - 19 Aug Vueling Airlines
15 Aug - 19 Aug Vueling Airlines

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

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