Cheapest return flights from London to Keflavik in August from 214€

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

Return flights

31 Aug - 09 Sep SWISS
25 Aug - 31 Aug Icelandair direct
26 Aug - 01 Sep Icelandair direct
25 Aug - 01 Sep Icelandair direct
26 Aug - 02 Sep Icelandair direct
27 Aug - 02 Sep Icelandair direct
28 Aug - 03 Sep Icelandair direct
26 Aug - 30 Aug Icelandair direct
27 Aug - 30 Aug Icelandair direct
29 Aug - 31 Aug Icelandair direct
31 Aug - 09 Sep Icelandair direct
22 Aug - 30 Aug Icelandair direct
21 Aug - 28 Aug Icelandair direct
18 Aug - 23 Aug Icelandair direct
19 Aug - 23 Aug Icelandair direct
19 Aug - 24 Aug Icelandair direct
30 Aug - 03 Sep Icelandair direct
24 Aug - 30 Aug Icelandair direct
30 Aug - 09 Sep Icelandair direct
31 Aug - 06 Sep Icelandair direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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