Cheapest return flights from Helsinki to Keflavik in August from $286

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

Return flights

25 Aug - 28 Aug Scandinavian Airlines
26 Aug - 28 Aug Scandinavian Airlines
28 Aug - 31 Aug Norwegian Air Sweden AOC
26 Aug - 05 Sep Lufthansa
29 Aug - 03 Sep Scandinavian Airlines
18 Aug - 20 Aug Scandinavian Airlines
14 Aug - 21 Aug Scandinavian Airlines
06 Aug - 13 Aug Norwegian Air Sweden AOC
21 Aug - 24 Aug Scandinavian Airlines
18 Aug - 23 Aug Scandinavian Airlines
25 Aug - 03 Sep Scandinavian Airlines
26 Aug - 29 Aug Scandinavian Airlines
27 Aug - 29 Aug Norwegian Air Sweden AOC
30 Aug - 07 Sep Finnair
29 Aug - 03 Sep Finnair direct
25 Aug - 03 Sep Finnair direct
26 Aug - 05 Sep Icelandair direct
30 Aug - 07 Sep Finnair direct

Also check the deals for one-way flights from Helsinki 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

Feel free to contact us with any feedback or request another flight research.