The 'Luxembourg–Lorraine 1 jour' (Luxembourg-Lorraine one day) offer allows you to take a return journey at a special rate from any Luxembourgish station to Thionville, Metz and Nancy (provided that the departure station and the destination are indicated when purchasing the ticket).
The offer is valid for one day on board all regional trains in 2nd class. 'Lorraine 1 jour' tickets cannot be refunded or exchanged.
Find more informations here (in French).
Sales channels and information:
Information and ticket offices at Luxembourg, Esch-sur-Alzette, Belval-Université, Ettelbruck, Bettembourg, Mersch, Troisvierges, Rodange, Pétange and Wasserbillig train stations, CFL ticket vending machines, online
CFL Call & Service Centre on 24 89 – 24 89