AirHint found the following cheapest return flights from Stuttgart (STR) to Helsinki (HEL) in March 2026 (see full year).

Return flights

02 Mar - 09 Mar	Eurowings
22 Mar - 26 Mar	Lufthansa
06 Mar - 10 Mar	Lufthansa
03 Mar - 07 Mar	Lufthansa
13 Mar - 16 Mar	Lufthansa
05 Mar - 08 Mar	Lufthansa
02 Mar - 14 Mar	KLM
02 Mar - 16 Mar	KLM
19 Mar - 25 Mar	Air France
09 Mar - 14 Mar	KLM
30 Mar - 07 Apr	KLM
29 Mar - 09 Apr	KLM
29 Mar - 04 Apr	KLM
30 Mar - 06 Apr	Lufthansa
28 Mar - 07 Apr	KLM
27 Mar - 06 Apr	Wizz Air
28 Mar - 04 Apr	KLM
26 Mar - 03 Apr	Lufthansa
31 Mar - 03 Apr	Lufthansa
28 Mar - 06 Apr	Lufthansa

Also check the deals for one-way flights from Stuttgart to Helsinki in March.

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 March from $199

Return flights