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

Return flights

25 Jul - 30 Jul	Lufthansa
29 Jul - 02 Aug	Lufthansa
27 Jul - 02 Aug	Lufthansa
29 Jul - 03 Aug	Lufthansa
25 Jul - 31 Jul	Lufthansa
15 Jul - 22 Jul	AJet
16 Jul - 22 Jul	Eurowings
25 Jul - 27 Jul	Wizz Air
26 Jul - 01 Aug	Lufthansa
29 Jul - 07 Aug	KLM
27 Jul - 30 Jul	Eurowings
30 Jul - 03 Aug	Eurowings
16 Jul - 23 Jul	Lufthansa
14 Jul - 17 Jul	AJet
29 Jul - 01 Aug	Eurowings
31 Jul - 03 Aug	LOT
12 Jul - 19 Jul	Lufthansa
28 Jul - 30 Jul	KLM
26 Jul - 02 Aug	KLM
30 Jul - 06 Aug	KLM

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

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 July from $354

Return flights