AirHint found the following cheapest one-way flights from Frankfurt (FRA) to Sofia (SOF) in April 2026 (see full year).
One-Way flights
| 13 Apr | Ryanair | ||
| 03 Apr | Air Serbia | ||
| 13 Apr | Lufthansa | direct | |
| 12 Apr | Lufthansa | direct | |
| 03 Apr | Bulgaria Air | direct | |
| 26 Apr | SKY express |
Also check the deals for return flights from Frankfurt to Sofia in April.
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