Despite being extremely cheap, the bus is also very slow and getting from Warsaw to Brussels by bus will take you a while. You could consider travelling by plane, getting low-cost tickets if you can book in advance.
What time are the buses to Brussels?
The earliest time you can leave from Warsaw is at 10:01, while the last bus is at 22:01. The journey takes on average 25 hours and 42 minutes but it can also last 22 hours with the fastest connections.
Which bus lines can take you from Warsaw to Brussels?
There are many companies cooperating with virail, among which also Sinbad-Interbus, Sindbad, Sinbad and FlixBus with buses to Brussels.
Flixbus is undoubtedly one of the youngest and most famous bus companies in whole Europe. With more than 40 millions passengers only in 2017, Flixbus offers national and international bus connections, also with night buses.