A rigid, swing-open packet of cigarettes having: at least one group of cigarettes; at least one inner container housing the group of cigarettes; an outer container housing the inner container and having at least one open lateral end; and a hinge connecting the inner container and the outer container to allow the inner container to rotate between a closed position, in which the inner container is inserted inside the outer container, and an open position, in which the inner container is at least partly extracted from the outer container; the hinge being located close to an edge of a wall of the inner container and close to an edge of a bottom wall of the outer container at the open lateral end of the outer container.