Cheapest return flights from Southampton to Sofia in October from $332
AirHint found the following cheapest return flights from Southampton (SOU) to Sofia (SOF) in October 2025 (see full year).
Return flights
| 10 Oct - 13 Oct | Aer Lingus | ||
| 10 Oct - 12 Oct | Blue Islands |
Also check the deals for one-way flights from Southampton to Sofia in October.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
