The showpiece clash against Les Verts, who finished fourth in France's top flight last term, kicks off at 3pm (BST) on Saturday and will be United's only home friendly.
Supporters can buy tickets in person from the Box Office at St. James' Park. Please note that ticket prices will rise to £20 for adults and £10 concessions on the day of the game.
The collection offices on the Gallowgate concourse (above Nine Bar) will open from noon on Saturday; fans are advised to arrive early and have their confirmation email ready to hand as the Box Office have a large number of ticket collections and anticipate a very busy day.
Steve Bruce could hand debuts to new signings Allan Saint-Maximin and Jetro Willems, as well as a home bow to record signing Joelinton, while Saint-Étienne's side is likely to include former Magpie Mathieu Debuchy.