AirHint found the following cheapest return flights from Thessaloniki (SKG) to Sofia (SOF) in April 2026 (see full year).
Return flights
| 17 Apr - 19 Apr | Ryanair | ||
| 24 Apr - 26 Apr | SKY express | ||
| 11 Apr - 18 Apr | Ryanair | ||
| 24 Apr - 29 Apr | SKY express | ||
| 17 Apr - 26 Apr | SKY express | ||
| 17 Apr - 29 Apr | SKY express | ||
| 17 Apr - 20 Apr | SKY express |
Also check the deals for one-way flights from Thessaloniki to Sofia in April.
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