Where is The O2 box office? The O2 06 March 2015 14:22 Updated Follow The box office is just to the left of The O2’s main entrance. Just follow the covered walkway. Related articles Contact Numbers for The O2 The O2 Box Office When can I collect my tickets from the box office? Can I come and purchase tickets from The O2 box office? What is an O2 pre-sale or Priority pre-sale? Comments 0 comments Article is closed for comments.