Cheapest return flights from Stuttgart to Porto in September from $192

AirHint found the following cheapest return flights from Stuttgart (STR) to Porto (OPO) in September 2026 (see full year).

Return flights

07 Sep - 06 Oct Eurowings
17 Sep - 20 Sep Eurowings
09 Sep - 16 Sep Eurowings
15 Sep - 22 Sep KLM
04 Sep - 11 Sep KLM
15 Sep - 23 Sep Vueling Airlines
09 Sep - 16 Sep Eurowings direct
04 Sep - 09 Sep KLM
16 Sep - 08 Oct Eurowings
13 Sep - 23 Sep Eurowings direct
03 Sep - 22 Sep Eurowings
15 Sep - 23 Sep Eurowings direct
30 Sep - 04 Oct Eurowings
30 Sep - 04 Oct Eurowings direct

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

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