Yes, you can use the DeutschlandTicket (D-Ticket) to travel to Salzburg, but there are specific rules to follow. Because Salzburg Hauptbahnhof is considered a "border station" shared between German and Austrian rail networks, many German regional tickets are valid all the way to the platform. You must use regional and local trains (such as the RE 5 or RB 54 from Munich) rather than high-speed long-distance trains like the ICE, IC, or Railjet, which are not covered by the €49 subscription. Once you arrive at Salzburg’s main station, the ticket is also generally valid on local S-Bahn trains within the station's immediate vicinity. However, it does not cover the local city buses or trams within Salzburg itself, nor does it work on the popular "Bus 840" (Watzmann Express) to Berchtesgaden. It is an incredible value for a day trip from Bavaria, allowing you to cross into Austria for "free" as part of your monthly German transit pass.
No, the DeutschlandTicket (49€ monthly ticket) is valid only for local and regional public transport within Germany. This includes:
Salzburg, Austria, is outside of Germany, so the DeutschlandTicket is not valid for the journey into Austria or for travel within Salzburg’s local network.
You can use the DeutschlandTicket to travel to the last German station before the border. From there, you must purchase a separate ticket for the cross-border segment and for travel within Austria.
The most common route is via Munich (München):
Important: Always check the exact validity of your ticket before boarding a cross-border train. The conductor will check for a valid ticket for the Austrian section.
In summary: Use your DeutschlandTicket to get to the German border station (like Munich), then switch to a valid ticket for Austria (like the Bayern-Ticket or a point-to-point ticket) for the remainder of the journey to Salzburg.