Cheapest return flights from London to Keflavik in August from $209

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

Return flights

20 Aug - 24 Aug Scandinavian Airlines
04 Aug - 17 Aug Scandinavian Airlines
20 Aug - 27 Aug Scandinavian Airlines
23 Aug - 27 Aug Scandinavian Airlines
24 Aug - 31 Aug Icelandair direct
29 Aug - 06 Sep Icelandair direct
30 Aug - 11 Sep Scandinavian Airlines
27 Aug - 30 Aug Icelandair direct
31 Aug - 06 Sep Icelandair direct
23 Aug - 27 Aug Icelandair direct
30 Aug - 11 Sep Icelandair direct
10 Aug - 19 Aug Scandinavian Airlines
10 Aug - 17 Aug Scandinavian Airlines
20 Aug - 24 Aug Icelandair direct
27 Aug - 03 Sep Icelandair direct

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

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