Trains going towards Germany will be busier over the coming weeks due to Oktoberfest. FlixBus and NS International are seeing a rise in the number of bookings. Oktoberfest will begin on Saturday and continue until Sunday, October 4. FlixBus has seen a rise of 15 percent in bookings, especially on the weekend. “Just like every year, Oktoberfest is having an impact,” a spokesperson said. The bus travel provider is offering trips to Germany from various cities in the Netherlands.