We land at 20.40 and will want to purchase at wekly navigo pass from the ticket office in terminal 2. I just wanted to know what time the ticket office is open till and what time the last train to Gare Du Nord is?
The train station ticket offices at CDG Airport are both open until midnight each night. The last CDG RER B train to Gare du Nord/Paris departs CDG Terminal 2 train station at 11:50 p.m. (23:50). More CDG RER B timetable information. Please keep in mind that changes to the schedule can occur due to strike actions and maintenance works along the line.