Cheapest return flights from London to Keflavik in August from $260

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

Return flights

28 Aug - 06 Sep Ryanair
29 Aug - 06 Sep Ryanair
14 Aug - 22 Aug Ryanair
28 Aug - 05 Sep Ryanair
31 Aug - 09 Sep Ryanair
30 Aug - 06 Sep Ryanair
29 Aug - 07 Sep Ryanair
21 Aug - 24 Aug Ryanair
31 Aug - 08 Sep Ryanair
25 Aug - 01 Sep Ryanair
29 Aug - 02 Sep Ryanair
28 Aug - 04 Sep Ryanair
22 Aug - 24 Aug Ryanair
14 Aug - 19 Aug Ryanair
20 Aug - 22 Aug Ryanair
28 Aug - 31 Aug Ryanair
13 Aug - 20 Aug Ryanair
04 Aug - 12 Aug easyJet
23 Aug - 26 Aug Ryanair
26 Aug - 30 Aug Ryanair

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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