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

Return flights

04 Dec - 07 Dec	Lufthansa
04 Dec - 08 Dec	Lufthansa
12 Dec - 15 Dec	Lufthansa
04 Dec - 14 Dec	Lufthansa
13 Dec - 16 Dec	Lufthansa
08 Dec - 14 Dec	Lufthansa
04 Dec - 12 Dec	Lufthansa
24 Dec - 09 Jan	Lufthansa
24 Dec - 08 Jan	Lufthansa
24 Dec - 07 Jan	Lufthansa
24 Dec - 06 Jan	Lufthansa
26 Dec - 07 Jan	Lufthansa
26 Dec - 08 Jan	Lufthansa
26 Dec - 09 Jan	Lufthansa
25 Dec - 07 Jan	Lufthansa
25 Dec - 08 Jan	Lufthansa
25 Dec - 09 Jan	Lufthansa
24 Dec - 29 Dec	Lufthansa
25 Dec - 28 Dec	Lufthansa
18 Dec - 28 Dec	Lufthansa

Also check the deals for one-way flights from Stuttgart 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 Stuttgart to Helsinki in December from 188€

Return flights