Cheapest return flights from London to Keflavik in August from $295

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

Return flights

25 Aug - 29 Aug easyJet
04 Aug - 12 Aug easyJet
19 Aug - 26 Aug Ryanair
12 Aug - 14 Aug Ryanair
28 Aug - 31 Aug Ryanair
18 Aug - 25 Aug Ryanair
28 Aug - 01 Sep Ryanair
26 Aug - 02 Sep Ryanair
14 Aug - 18 Aug Ryanair
29 Aug - 10 Sep Ryanair
21 Aug - 25 Aug Ryanair
19 Aug - 22 Aug Ryanair
15 Aug - 22 Aug Ryanair
23 Aug - 02 Sep Ryanair
26 Aug - 06 Sep Ryanair
22 Aug - 01 Sep Ryanair
29 Aug - 06 Sep 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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