Flights available from www.balkanholidays.co.uk

and from many UK Airports

to Sofia or Plovdiv Airports Bulgaria

Flights also available from following airlines/websites:

 Click on Links below

First Choice,
Thompson Fly,
Thomas Cook,
British Airways,
Bulgarian Air
www.wizzair.com  
www.aua.com  
www.air.bg  
www.hemusair.bg
www.malev.hu  
Skyscanner.net