Cheapest return flights from Porto to Keflavik in August from 336€

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 Ryanair
11 Aug - 20 Aug Vueling Airlines
24 Aug - 30 Aug TAP
17 Aug - 30 Aug TAP
31 Aug - 10 Sep KLM
04 Aug - 11 Aug Ryanair
06 Aug - 16 Aug Transavia France
09 Aug - 17 Aug Transavia France
11 Aug - 19 Aug TAP
11 Aug - 16 Aug Transavia France
18 Aug - 21 Aug Ryanair
07 Aug - 16 Aug Ryanair

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

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