Cheapest return flights from London to Keflavik in August from 226€

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

Return flights

27 Aug - 01 Sep Icelandair direct
28 Aug - 06 Sep Icelandair direct
28 Aug - 01 Sep Icelandair direct
15 Aug - 26 Aug Icelandair direct
13 Aug - 26 Aug Icelandair direct
28 Aug - 30 Aug Icelandair direct
22 Aug - 29 Aug Icelandair direct
22 Aug - 26 Aug Icelandair direct
21 Aug - 25 Aug Icelandair direct
18 Aug - 25 Aug Icelandair direct
22 Aug - 25 Aug Icelandair direct
26 Aug - 30 Aug Icelandair direct
01 Aug - 25 Aug Icelandair direct
27 Aug - 03 Sep Icelandair direct
26 Aug - 04 Sep Icelandair direct
30 Aug - 03 Sep KLM
22 Aug - 06 Sep Icelandair direct
22 Aug - 04 Sep Icelandair direct
21 Aug - 06 Sep Icelandair direct
30 Aug - 06 Sep KLM

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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