According to forum posts, Dusseldorf Airport is well-connected by train, offering options like the S-Bahn S11, which links directly to Düsseldorf Hauptbahnhof, the city's main station. Travelers have mentioned that the journey is efficient and tickets can be purchased at the airport.

Some travelers said that the train service from Dusseldorf Airport includes intermediate stops, which are useful for reaching different parts of the city. For instance, it's possible to board trains at the airport and alight at stations close to popular hotels or other destinations within Dusseldorf.

For many users, navigating the ticket purchase and validation process at Dusseldorf Airport is straightforward. Tickets for regional travel can be validated easily at the airport, and there are ticket machines available for purchasing the necessary tickets for immediate travel needs.

According to forum posts, travelers recommend visiting the Altstadt (Old Town) for a blend of history and vibrant street life, and Medienhafen for its mix of modern and restored architecture. The Schloss Benrath, noted for its beautiful illumination events, and the Rheinturm for panoramic city views are also highly suggested.

For museum enthusiasts, posts suggest checking out the Aquazoo, a large aquarium set in a park, and the prehistoric museum near the Neanderthal area, which offers insights into early human history.

Forum users have mentioned that the Rhine Promenade is ideal for leisurely walks with scenic views. Additionally, the nearby areas like Wuppertal offer unique experiences such as riding the Schwebebahn (suspension railway) and exploring the many public staircases.

Travelers have called out Königsallee for high-end shopping and Carlsplatz for its vibrant market scene. For those interested in local produce and design, the Carlstadt district is recommended for boutique shopping.