AirHint found the following cheapest one-way flights from Stuttgart (STR) to Sofia (SOF) in April 2026 (see full year).
One-Way flights
| 09 Apr | Wizz Air | direct | |
| 23 Apr | Wizz Air | direct | |
| 30 Apr | Wizz Air | direct | |
| 04 Apr | Wizz Air | direct | |
| 03 Apr | Air Serbia |
Also check the deals for return flights from Stuttgart to Sofia in April.
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