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

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

Return flights

30 Aug - 09 Sep KLM
29 Aug - 31 Aug ITA Airways
26 Aug - 31 Aug KLM
19 Aug - 26 Aug KLM
27 Aug - 13 Sep KLM
05 Aug - 14 Aug KLM
19 Aug - 28 Aug KLM
05 Aug - 13 Aug KLM
04 Aug - 19 Aug KLM
16 Aug - 23 Aug KLM
09 Aug - 20 Aug KLM
12 Aug - 13 Aug 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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