Bus
Take the bus 060 at the station Vienna, Vienna Erdberg .
The journey takes approximately 1 h 15 min. Ticket price is about 7–10 EUR. The travel distance is 95 km.
Carrier is FlixBus.
Get off at the Znojmo
Train
Take the train Re at the station Wien Mitte .1
The journey takes approximately 1 h 39 min. Ticket price is about 17–24 EUR. The travel distance is 102 km.
Carrier is Austrian Railways (ÖBB).
Get off at the Znojmo
Drive
In a rental car
The drive will take 1 h 11 min.. The distance between Vienna and Znojmo is 90 km. You will use 7 liters of gasoline at a cost of €9.1.
See on this site which rental company has the best deal.