The cheapest flight to London you can get by boooking 59 days before departure.
The most popular airlines on the route Sofia - London: Ryanair (FR), Wizz Air (W6), easyJet (U2).
The cheapest flights you can book on the route Sofia Airport (SOF) - Stansted (STN).
Direct flights last about 3h 10min.
Direct flights available 7 days a week.
Direct flights: Wizz Air (W6), Ryanair (FR), Bulgaria Air (FB).