AirHint found the following cheapest return flights from Sofia (SOF) to Lisbon (LIS) in October 2026 (see full year).
Return flights
| 16 Oct - 20 Oct | Air Serbia | ||
| 17 Oct - 21 Oct | SWISS | ||
| 24 Oct - 28 Oct | Air Serbia | ||
| 19 Oct - 24 Oct | Ryanair | ||
| 14 Oct - 17 Oct | Ryanair | ||
| 17 Oct - 20 Oct | Wizz Air |
Also check the deals for one-way flights from Sofia to Lisbon in October.
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