There's a bis that runs from Bratislava airport through town then direct to Vienna airport and on into downtown Vienna, Central station. Good service I used it last year. Think it costs about 10 EUR
See timetable:
http://www.viennaairport.com/jart/pr...1195_de_en.pdf
Last edited by AlienInTheFatherland; Dec 16, 2015 at 11:11 am