Originally Posted by HP28

I’m due to fly to PHL in a few weeks in CW (upgraded from WTP using avios).

What would you deem an acceptable price to pay to upgrade to F on this route? It would be my first time in F on a 787? Do BA allow you to upgrade using Avios at LHR?

Also, can I go straight to the first wing to try to upgrade at the check in desk? Or would they refuse me entry?

Thanks