For the cheapest flights to Sofia book 41 days before departure.
The most popular airlines on the route Liverpool - Sofia: Ryanair (FR), Flybe (BE), Blue Air (0B).
The cheapest flights are on the route John Lennon (LPL) - Sofia Airport (SOF).
Direct flights last about 3h 25min.
Direct flights available 2 days a week - Monday, Friday.
Direct flights: Ryanair (FR).