AirHint found the following cheapest one-way flights from Porto (OPO) to Sofia (SOF) in August 2026 (see full year).
One-Way flights
| 18 Aug | Iberia | ||
| 10 Aug | TAP | ||
| 06 Aug | Air Serbia | ||
| 13 Aug | Air Serbia | ||
| 09 Aug | Air Serbia | ||
| 20 Aug | Air Europa | ||
| 04 Aug | Vueling Airlines | ||
| 19 Aug | Air Europa | ||
| 16 Aug | Air Serbia | ||
| 16 Aug | Bulgaria Air | direct |
Also check the deals for return flights from Porto to Sofia in August.
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