Is the Navigo valid on ALL metro lines? By | January 30, 2017 | in Vote Up 0 Vote Down Answered Public Public Private Questions Anonymous asked January 30, 2017 Or wil we need additional tickets for the metro? 1 answer Vote Up 0 Vote Down Public Ben ⋅ Staff ⋅ February 1, 2017 Navigo is valid for all Metro lines across Paris. #1 Please login or Register to Submit Answer Username or Email Address Password Remember Me