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

Return flights

20 Jan - 27 Jan	airBaltic
24 Jan - 31 Jan	airBaltic
31 Jan - 03 Feb	airBaltic
17 Jan - 22 Jan	airBaltic
30 Jan - 07 Feb	Scandinavian Airlines
22 Jan - 25 Jan	Norwegian Air Sweden AOC
26 Jan - 30 Jan	Scandinavian Airlines
17 Jan - 19 Jan	airBaltic
11 Jan - 18 Jan	Scandinavian Airlines
19 Jan - 26 Jan	KLM
26 Jan - 02 Feb	Scandinavian Airlines
12 Jan - 19 Jan	Ryanair
30 Jan - 07 Feb	Finnair	direct
08 Jan - 15 Jan	Finnair	direct
26 Jan - 02 Feb	Finnair	direct
31 Jan - 03 Feb	Finnair	direct
20 Jan - 05 Feb	Finnair	direct

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

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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Cheapest return flights from Helsinki to Keflavik in January from $240

Return flights