Cheapest return flights from Porto to Keflavik in August from 305€

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

Return flights

30 Aug - 06 Sep KLM
26 Aug - 06 Sep Norwegian
28 Aug - 03 Sep Ryanair
12 Aug - 19 Aug TAP
16 Aug - 24 Aug TAP
17 Aug - 24 Aug TAP
22 Aug - 03 Sep TAP
12 Aug - 23 Aug Ryanair
11 Aug - 23 Aug Air Europa
29 Aug - 05 Sep easyJet
24 Aug - 31 Aug SWISS
26 Aug - 02 Sep Norwegian
16 Aug - 21 Aug TAP
15 Aug - 24 Aug Ryanair
18 Aug - 25 Aug Ryanair
18 Aug - 26 Aug Ryanair

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

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