Cheapest return flights from Helsinki to Keflavik in December from $303

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

Return flights

11 Dec - 18 Dec Finnair direct
01 Dec - 07 Dec Finnair
01 Dec - 07 Dec Icelandair direct
10 Dec - 19 Dec Scandinavian Airlines
25 Dec - 28 Dec Finnair
10 Dec - 19 Dec Icelandair direct
29 Dec - 31 Dec Finnair direct
18 Dec - 18 Dec Scandinavian Airlines
25 Dec - 28 Dec Finnair direct
21 Dec - 26 Dec Scandinavian Airlines
26 Dec - 03 Jan Norwegian Air Sweden AOC

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

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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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