If you're staying in London why not travel in style and get to and from the O2 by boat just like the band do.

London Clippers run special O2 routes up and down the Thames for as little as £12 return (with optional glass of champagne)

I've booked it, and so should you

https://booking.thamesclippers.com/o...clipper/page/1

*I just realised I sound like I work for them, but I don't. Honest.