Cheapest return flights from London to Keflavik in August from $257

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

Return flights

31 Aug - 15 Sep SWISS
19 Aug - 03 Sep Norwegian
19 Aug - 30 Aug Icelandair direct
26 Aug - 30 Aug Icelandair direct
18 Aug - 25 Aug Norwegian
31 Aug - 15 Sep Icelandair direct
31 Aug - 06 Sep Icelandair direct
19 Aug - 03 Sep Icelandair direct
18 Aug - 25 Aug Icelandair direct
29 Aug - 06 Sep Icelandair direct
31 Aug - 09 Sep Icelandair direct
23 Aug - 30 Aug Icelandair direct
18 Aug - 23 Aug Icelandair direct
22 Aug - 01 Sep Icelandair direct
21 Aug - 23 Aug Icelandair direct
20 Aug - 23 Aug Icelandair direct
17 Aug - 27 Aug Icelandair
30 Aug - 04 Sep Icelandair direct
21 Aug - 28 Aug Icelandair direct
29 Aug - 16 Sep Vueling Airlines

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

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