There is a local airport in Ostrava called "Leos Janacek" (airport code OSR). More information on the flights, getting to and from the airport etc. is available here.
There are plenty of regular train conections between Ostrava and other Czech or European cities.
Organizing committee will provide information on request how to get to Ostrava.
An automatic connection search according to your requests is carried out by the IDOS electronic timetable that enables to combine train-bus-boat-plane-mass urban transport connections. You can find your connection on-line here.
We reccomend following companies providing international bus connections between Ostrava and most of the European cities:
FLIXBUS: for homepage click here
REGIOJET: for homepage click here