Cheapest return flights from London to Keflavik in August from $129

Best time to book flights for London (LON) to Keflavik (KEF) flights at AirHint

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

Return flights

31 Aug - 03 Sep easyJet direct
31 Aug - 07 Sep easyJet direct
27 Aug - 01 Sep easyJet
31 Aug - 12 Sep easyJet direct
31 Aug - 06 Sep easyJet direct
30 Aug - 07 Sep Fly Play direct
30 Aug - 08 Sep Fly Play direct
31 Aug - 04 Sep easyJet direct
31 Aug - 05 Sep easyJet direct
29 Aug - 08 Sep Fly Play direct
13 Aug - 17 Aug easyJet direct
15 Aug - 17 Aug easyJet
24 Aug - 27 Aug easyJet direct
20 Aug - 24 Aug easyJet direct
17 Aug - 27 Aug easyJet direct
17 Aug - 20 Aug easyJet direct
27 Aug - 31 Aug easyJet direct
15 Aug - 24 Aug easyJet
03 Aug - 06 Aug easyJet direct
19 Aug - 24 Aug easyJet

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