AirHint found the following cheapest return flights from Zagreb (ZAG) to Sofia (SOF) in June 2026 (see full year).
Return flights
| 21 Jun - 28 Jun | Ryanair | direct | |
| 21 Jun - 24 Jun | Ryanair | direct | |
| 07 Jun - 24 Jun | Ryanair | direct | |
| 21 Jun - 08 Jul | Ryanair | direct | |
| 10 Jun - 14 Jun | Ryanair | direct |
Also check the deals for one-way flights from Zagreb to Sofia in June.
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