AirHint found the following cheapest return flights from Stuttgart (STR) to Tallinn (TLL) in September 2025 (see full year).

Return flights

19 Sep - 25 Sep	Scandinavian Airlines
15 Sep - 22 Sep	Scandinavian Airlines
29 Sep - 06 Oct	Wizz Air
06 Sep - 13 Sep	Scandinavian Airlines
08 Sep - 12 Sep	Scandinavian Airlines
13 Sep - 17 Sep	Scandinavian Airlines
05 Sep - 08 Sep	Scandinavian Airlines
07 Sep - 11 Sep	Eurowings
28 Sep - 01 Oct	Eurowings

Also check the deals for one-way flights from Stuttgart to Tallinn in September.

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 Tallinn in September from 188€

Return flights