Cheapest return flights from Porto to Keflavik in August from 239€

Best time to book flights for Porto (OPO) to Keflavik (KEF) flights at AirHint

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

Return flights

23 Aug - 26 Aug Fly Play direct
26 Aug - 30 Aug Fly Play direct
16 Aug - 26 Aug Fly Play direct
19 Aug - 26 Aug Fly Play direct
02 Aug - 09 Aug Fly Play direct
19 Aug - 23 Aug Fly Play direct
26 Aug - 29 Aug Fly Play
05 Aug - 15 Aug Vueling Airlines
01 Aug - 07 Aug Ryanair
04 Aug - 15 Aug Vueling Airlines

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

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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