London is one of the most important cities in the world in terms of culture, history, finance, education and science. This city is served by Heathrow, Gatwick, Stansted, Southend, Luton and London City Airports. All these airports are located in different locations of the city, and are easily reached by trains.
Flights from London to Sofia may take off from any of the six airports mentioned above. Heathrow Airport is internationally known and most people associate London with this airport. However, Gatwick is the second most popular airport and serves the city of London alongside many other airports. Southend and Stansted airports are far away from the city.