Cheapest return flights from London to Keflavik in August from 198€

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

27 Aug - 04 Sep Scandinavian Airlines
27 Aug - 30 Aug Scandinavian Airlines
27 Aug - 31 Aug Scandinavian Airlines
28 Aug - 03 Sep British Airways direct
27 Aug - 08 Sep Scandinavian Airlines
30 Aug - 10 Sep British Airways direct
20 Aug - 28 Aug Scandinavian Airlines
20 Aug - 25 Aug Scandinavian Airlines
24 Aug - 31 Aug British Airways
24 Aug - 27 Aug British Airways
20 Aug - 27 Aug Scandinavian Airlines
24 Aug - 28 Aug British Airways
26 Aug - 02 Sep Scandinavian Airlines
20 Aug - 01 Sep Icelandair direct
20 Aug - 30 Aug Scandinavian Airlines
30 Aug - 12 Sep Icelandair direct
25 Aug - 03 Sep British Airways direct
25 Aug - 01 Sep Scandinavian Airlines
27 Aug - 31 Aug Icelandair direct
27 Aug - 08 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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