The number of passengers on scheduled international flights handled by the Sofia airport increased by 24% to 2.492 million in 2007, according to the Bulgarian Airlines Association.
Twenty percent of the passengers in the nine months through September flied on low-cost air carriers, the airport said in a statement on its website.
The Sofia airport handled 13,734 tonnes of cargo in the nine months through September, 5.1% more than a year earlier.
The number of aircraft movements rose 14.3% year-on-year to 36,908 through September.