AirHint found the following cheapest return flights from Paris (CDG) to Sofia (SOF) in December 2026 (see full year).
Return flights
| 04 Dec - 07 Dec | Air Serbia | ||
| 18 Dec - 02 Jan | Lufthansa | ||
| 18 Dec - 02 Jan | Bulgaria Air | direct |
Also check the deals for one-way flights from Paris to Sofia in December.
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