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

Return flights

24 Dec - 05 Jan	Delta
24 Dec - 04 Jan	Delta
24 Dec - 02 Jan	Delta
23 Dec - 05 Jan	Delta
24 Dec - 03 Jan	Delta
23 Dec - 04 Jan	Delta
22 Dec - 04 Jan	Delta
21 Dec - 04 Jan	Finnair
20 Dec - 04 Jan	Finnair

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

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 Sacramento to Helsinki in December from 931€

Return flights