Cheapest return flights from Keflavik to Lisbon in August from 455€

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

Return flights

02 Aug - 06 Aug easyJet
16 Aug - 23 Aug KLM
16 Aug - 23 Aug Icelandair direct
15 Aug - 19 Aug Vueling Airlines
15 Aug - 22 Aug Vueling Airlines
29 Aug - 19 Sep Vueling Airlines
26 Aug - 05 Sep Vueling Airlines
12 Aug - 19 Aug Vueling Airlines
12 Aug - 22 Aug Vueling Airlines
15 Aug - 05 Sep Vueling Airlines
22 Aug - 05 Sep Vueling Airlines
12 Aug - 15 Aug Vueling Airlines
29 Aug - 05 Sep Vueling Airlines

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

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