Train
Take the train Ec at the station Dresden Hbf .1
The journey takes approximately 1 h 8 min. Ticket price is about 14–24 EUR. The travel distance is 84 km.
Carrier is Deutsche Bahn Eurocity.
Get off at the Usti Nad Labem Hlavni Nadrazi
Take the train Re at the station Usti Nad Labem Hlavni Nadrazi .1
The journey takes approximately 1 h 7 min. Ticket price is about 2–4 EUR. The travel distance is 48 km.
Carrier is Czech Railways (ČD).
Get off at the Most
Drive
In a rental car
The drive will take 1 h 6 min.. The distance between Dresden Hauptbahnhof and Most is 101 km. You will use 8 liters of gasoline at a cost of €10.4.
See on this site which rental company has the best deal.