Cheapest one-way flights from Keflavik to Helsinki in December from $119

Best time to book flights for Keflavik (KEF) to Helsinki (HEL) flights at AirHint

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

One-Way flights

02 Dec Scandinavian Airlines
24 Dec airBaltic
10 Dec Scandinavian Airlines
21 Dec airBaltic
28 Dec airBaltic
02 Dec Finnair direct
25 Dec Finnair direct
29 Dec Finnair direct
10 Dec Finnair direct
22 Dec Finnair direct

Also check the deals for return flights from Keflavik to Helsinki in December.

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.

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