AirHint found the following cheapest one-way flights from Stuttgart (STR) to Kos (KGS) in December 2025 (see full year).
One-Way flights
| 15 Dec | Wizz Air Malta | ||
| 16 Dec | Wizz Air | ||
| 13 Dec | Wizz Air | ||
| 12 Dec | Wizz Air Malta | ||
| 14 Dec | Eurowings | ||
| 11 Dec | Eurowings |
Also check the deals for return flights from Stuttgart to Kos in December.
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