AirHint found the following cheapest return flights from Stuttgart (STR) to Buenos Aires (AEP) in October 2025 (see full year).
Return flights
| 18 Oct - 30 Nov | Wizz Air Malta | ||
| 18 Oct - 25 Oct | Vueling Airlines | ||
| 29 Oct - 02 Nov | Eurowings |
Also check the deals for one-way flights from Stuttgart to Buenos Aires in October.
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