Cheapest return flights from Keflavik to London in August from $227

AirHint found the following cheapest return flights from Keflavik (KEF) to London (LGW) in August 2025 (see full year).

Return flights

19 Aug - 26 Aug Norwegian
27 Aug - 01 Sep Fly Play
27 Aug - 12 Sep easyJet
30 Aug - 08 Sep easyJet
19 Aug - 26 Aug Icelandair direct
27 Aug - 12 Sep Icelandair direct
15 Aug - 31 Aug Fly Play
13 Aug - 17 Aug Fly Play
13 Aug - 20 Aug Fly Play
25 Aug - 28 Aug Icelandair direct
25 Aug - 12 Sep Icelandair direct
14 Aug - 18 Aug Fly Play
29 Aug - 03 Sep Icelandair direct
30 Aug - 08 Sep Icelandair direct
31 Aug - 08 Sep Icelandair direct
27 Aug - 01 Sep Icelandair direct
15 Aug - 31 Aug Icelandair direct
13 Aug - 20 Aug Icelandair direct
14 Aug - 17 Aug Fly Play
17 Aug - 07 Sep Vueling Airlines

Also check the deals for one-way flights from Keflavik to London in August.

Skyscanner

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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