Direct flights available:
21 PER WEEK
Popular non-direct routes for this connection are Heathrow - Franz J Strauss - Sofia Intl, Heathrow - Frankfurt Intl - Sofia Intl and Heathrow - Vienna Intl - Sofia Intl.
You can fly from London to Sofia Intl indirect via Franz J Strauss, Frankfurt Intl or Vienna Intl.
Direct flights available on