Illertissen, Bavaria to Ulm, Baden-Wuerttemberg from $3.6: 4 ways by bus, train, flight or car

• On the train route from Illertissen to Ulm, Deutsche Bahn operates the service. Although catering services can vary by train type, many Intercity (IC) trains typically offer a snack bar on board where you can purchase light snacks, beverages, and sometimes hot meals. It's advisable to check the specific train service beforehand on the Deutsche Bahn website for details.

• The train services on this route usually include both Second Class (Economy) and First Class seating options. First Class offers more spacious seats, a quieter environment, and often complimentary newspapers. In Second Class, seats are comfortable and you can find table seats suitable for working if needed. Ensure you verify the exact class of service on your ticket before travel.

• There are multiple operators on this route, with the primary option being Deutsche Bahn. For updated schedules and ticketing, visit their website at bahn.com Another possible option for specific train services to Ulm could be private operators, but it is best to verify on the main Deutsche Bahn site since they are the main provider. Additional useful links include local transport schedules at ulm.de and station maps for Ulm Hauptbahnhof.