Cheapest return flights from Helsinki to Keflavik in December from 261€

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

Return flights

06 Dec - 11 Dec Ryanair
15 Dec - 30 Dec Scandinavian Airlines
05 Dec - 11 Dec Ryanair
15 Dec - 31 Dec Finnair direct
15 Dec - 29 Dec Finnair direct
17 Dec - 31 Dec Finnair direct
13 Dec - 16 Dec airBaltic
01 Dec - 06 Dec Norwegian Air Sweden AOC
08 Dec - 10 Dec Norwegian Air Sweden AOC
05 Dec - 10 Dec Ryanair
30 Dec - 10 Jan airBaltic
30 Dec - 10 Jan Finnair direct
31 Dec - 04 Jan Finnair
31 Dec - 02 Jan Norwegian Air Sweden AOC
30 Dec - 02 Jan Scandinavian Airlines
29 Dec - 03 Jan Finnair
31 Dec - 04 Jan Finnair direct
30 Dec - 03 Jan Finnair
28 Dec - 04 Jan Finnair
26 Dec - 01 Jan Scandinavian Airlines

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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