Cheapest return flights from Porto to Keflavik in August from 247€

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
05 Aug - 16 Aug Fly Play direct
23 Aug - 30 Aug Fly Play direct
20 Aug - 23 Aug Ryanair
05 Aug - 19 Aug Fly Play direct
20 Aug - 03 Sep Ryanair
23 Aug - 01 Sep Fly Play
02 Aug - 12 Aug Fly Play direct
02 Aug - 09 Aug Fly Play direct
16 Aug - 26 Aug Fly Play direct
16 Aug - 19 Aug Fly Play direct
23 Aug - 28 Aug Fly Play
26 Aug - 04 Sep Air Europa
05 Aug - 04 Sep Ryanair
18 Aug - 01 Sep Ryanair
30 Aug - 04 Sep Air Europa
21 Aug - 04 Sep Ryanair
26 Aug - 04 Sep Fly Play direct
05 Aug - 04 Sep Fly Play direct
30 Aug - 04 Sep Fly Play direct

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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