Cheapest return flights from London to Keflavik in August from 186€

Best time to book flights for London (LHR) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF) in August 2025 (see full year).

Return flights

24 Aug - 27 Aug British Airways
20 Aug - 27 Aug Scandinavian Airlines
31 Aug - 05 Sep British Airways
31 Aug - 04 Sep British Airways
25 Aug - 01 Sep Scandinavian Airlines
26 Aug - 04 Sep Scandinavian Airlines
25 Aug - 28 Aug Scandinavian Airlines
31 Aug - 01 Sep Scandinavian Airlines
26 Aug - 02 Sep Scandinavian Airlines
27 Aug - 31 Aug Scandinavian Airlines
24 Aug - 31 Aug British Airways
28 Aug - 01 Sep British Airways
28 Aug - 04 Sep British Airways
24 Aug - 02 Sep British Airways
23 Aug - 31 Aug Icelandair direct
30 Aug - 03 Sep Icelandair direct
24 Aug - 27 Aug Icelandair direct
29 Aug - 31 Aug Icelandair direct
22 Aug - 27 Aug Icelandair direct
22 Aug - 26 Aug Scandinavian Airlines

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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