AirHint found the following cheapest one-way flights from Warsaw (WMI) to Sofia (SOF) in April 2026 (see full year).
One-Way flights
| 01 Apr | Wizz Air | direct | |
| 08 Apr | Wizz Air | direct | |
| 06 Apr | Ryanair | direct | |
| 10 Apr | Wizz Air | direct |
Also check the deals for return flights from Warsaw to Sofia in April.
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