Cheapest return KEF–HEL flights, August

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

Return flights

27 Aug - 30 Aug Finnair direct
30 Aug - 05 Sep Finnair
18 Aug - 25 Aug Finnair direct
21 Aug - 28 Aug Finnair direct
30 Aug - 06 Sep Finnair direct
26 Aug - 02 Sep Finnair direct
25 Aug - 01 Sep Finnair direct
11 Aug - 18 Aug Finnair direct
12 Aug - 19 Aug Finnair direct
27 Aug - 03 Sep Finnair direct
06 Aug - 13 Aug Finnair direct
23 Aug - 30 Aug Finnair direct
05 Aug - 12 Aug Finnair direct
04 Aug - 11 Aug Finnair direct

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