AirHint found the following cheapest return flights from Sofia (SOF) to Prague (PRG) in September 2026 (see full year).
Return flights
| 22 Sep - 26 Sep | Wizz Air | direct | |
| 06 Sep - 26 Sep | Wizz Air | direct | |
| 21 Sep - 25 Sep | Austrian Airlines |
Also check the deals for one-way flights from Sofia to Prague in September.
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