In general when looking for the cheapest flight to Sofia, try to book your flight during the month of January for the best deal.
From most locations, to find the best deals on airfare, our data shows that users booking 26 days before flying found the cheapest flight to Sofia.
From most locations, the cheapest flights to Sofia are found on a Wednesday. Booking a Sunday departure is usually the most expensive.
On average you can find the best deals on plane tickets to Sofia when looking for flights with morning departure times.