Cheapest return flights from Porto to Keflavik in August from 260€

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
27 Aug - 30 Aug SWISS
26 Aug - 04 Sep Fly Play
27 Aug - 01 Sep Norwegian
26 Aug - 30 Aug Fly Play direct
28 Aug - 04 Sep TAP
30 Aug - 06 Sep Ryanair
30 Aug - 04 Sep Ryanair
24 Aug - 27 Aug TAP
19 Aug - 23 Aug Ryanair
13 Aug - 19 Aug Ryanair
22 Aug - 31 Aug Ryanair
19 Aug - 23 Aug Fly Play direct
19 Aug - 26 Aug Ryanair
25 Aug - 29 Aug SWISS
26 Aug - 04 Sep Fly Play direct
16 Aug - 04 Sep Ryanair
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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