Cheapest return flights from London to Keflavik in August from 131€

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

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

Return flights

26 Aug - 09 Sep Fly Play direct
31 Aug - 07 Sep Fly Play direct
30 Aug - 07 Sep Fly Play direct
25 Aug - 05 Sep Fly Play direct
31 Aug - 03 Sep Fly Play direct
25 Aug - 01 Sep Fly Play direct
26 Aug - 01 Sep Fly Play direct
29 Aug - 01 Sep Fly Play direct
28 Aug - 04 Sep Fly Play direct
24 Aug - 31 Aug Fly Play direct
24 Aug - 29 Aug Fly Play direct
24 Aug - 27 Aug Fly Play direct
24 Aug - 26 Aug Fly Play direct
20 Aug - 24 Aug Fly Play direct
25 Aug - 31 Aug Fly Play direct
29 Aug - 31 Aug Fly Play direct
26 Aug - 29 Aug Fly Play direct
28 Aug - 01 Sep Fly Play direct
10 Aug - 21 Aug Fly Play direct
15 Aug - 24 Aug Fly Play direct

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik