Decide if you want to reserve seats in advance or as you travel. While you may get better deals booking online in advance, you will be allowed more flexibility if you purchase tickets at the station.
Use Rail Europe to book the entire train trip on one site. Since you will be traveling through three countries on various train systems, Rail Europe offers the best way to book train travel from Brussels to Vienna. Your tickets will arrive by mail in less than a week. To book train travel from Brussels to Vienna, call Rail Europe at (888) 382-RAIL or visit the link below.
Have your ticket in hand. You must reserve seats on TGV, ICE and German rail trains before you get on board. On your final leg, you may want to book an overnight sleeper ticket so you can rest up before you arrive in Vienna.
Upgrade to first-class. While ICE trains are already comfortable, you may want to book first-class tickets throughout your trip so your travel from Brussels to Vienna will be more pleasant.
Keep your euros handy. Both Brussels and Vienna use the euro as the official currency, meaning you won't need to worry about changing money.
Pick up a German phrase book. German is the official language in Vienna, so on your long train ride to Vienna, you can practice key German phrases.
Purchase public transportation in advance. The same ticket is used for the bus, subway and tram, and it costs about 50 cents more to pay your fare on board.
