Buy ticket to Vienna and take the train to Wien Süd (or the occasional train Wien West, Wien Florisdorf or Wien Parstern). Takes about 1 hour, if things go well. ?9. edit. Late arriving flights:. Should an evening flight arrive late, ..... Children (up to 14 years) do not need a ticket on Sundays, holidays and during Austrian school vacations. Children (15-19 years) also do not, if they are enrolled in school in Austria. If you're staying for a few days and hope to do ...