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

Return flights

09 Dec - 16 Dec	Finnair	direct
02 Dec - 09 Dec	SWISS
04 Dec - 11 Dec	Lufthansa
07 Dec - 14 Dec	Lufthansa
05 Dec - 12 Dec	Lufthansa
03 Dec - 10 Dec	Lufthansa
02 Dec - 09 Dec	Finnair	direct
06 Dec - 13 Dec	Lufthansa
01 Dec - 08 Dec	Lufthansa
31 Dec - 07 Jan	Scandinavian Airlines
10 Dec - 17 Dec	Lufthansa
27 Dec - 06 Jan	Scandinavian Airlines
30 Dec - 06 Jan	Scandinavian Airlines
25 Dec - 01 Jan	Lufthansa
29 Dec - 05 Jan	Lufthansa
18 Dec - 04 Jan	Spirit Airlines
28 Dec - 04 Jan	Lufthansa
25 Dec - 01 Jan	Finnair	direct

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Helsinki in December from 514€

Return flights