the perfect bus. Europa - Park Rust Karlsruhe Europa - Park Rust Duesseldorf Europa - Park Rust Mannheim Frankfurt am Main Munich Europa - Park Rust Munich Frankfurt am Main Karlsruhe Frankfurt am Main Nuremberg Frankfurt am Main Duesseldorf Europa - Park Rust Prague Frankfurt am Main Paris. This route's fastest travel time starts. There are two main tickets on offer: the Flexpreis that has full flexibility, and the Sparpreis which is the cheaper, advanced fare. Here's an overview of the cheapest bus tickets for the next few days.