One of the largest European low-cost buses Flixbus began selling tickets to / from Lviv.
According to CTS (Centre for Transport Strategies), on the company’s website you can choose travels to Amsterdam, Berlin, Bratislava, Budapest, Vienna, Frankfurt and many other cities.
Transportation from Lviv is carried by LEO Express, Flixbus partner company.
However, Flixbus tickets from Lviv are not so cheap, as it implies the status of low-cost carriers. For example, a trip to Amsterdam, the duration of which is 34 hours, will cost € 60. Cheaper options may appear later.