Cheapest return flights from London to Keflavik in August from $306

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

Return flights

14 Aug - 22 Aug easyJet
29 Aug - 06 Sep Ryanair
30 Aug - 11 Sep Ryanair
22 Aug - 29 Aug Ryanair
24 Aug - 29 Aug Ryanair
18 Aug - 29 Aug Ryanair
24 Aug - 31 Aug Ryanair
04 Aug - 17 Aug Ryanair
21 Aug - 23 Aug easyJet
16 Aug - 16 Aug Ryanair
07 Aug - 13 Aug Ryanair
03 Aug - 08 Aug Ryanair
27 Aug - 03 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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