Okay, you’re already late and panicking. If you’re on the tube and the train stops at Canary Wharf, don’t get off thinking you can walk. You can’t. It’s a water maze. Stay on till North Greenwich.
O2 Arena London Map , The O2 London – HEFS
If you’re taking a taxi or Uber, tell the driver to drop you at “The O2 entrance, main gate”. They’ll know you mean the front, by the giant escalators. Otherwise, they’ll circle the dome for ten minutes while you pay the fare meter. That’s a personal finance tragedy waiting to happen.
Oh, and one more thing: the O2 has its own airport-style security at the entrance. No, you can’t bring your own bottle of wine. Yes, they’ll make you pour it out. Just accept the rip-off cocktail prices inside and move on.