Originally Posted by
windowontheAside
Also, I'd like to try do a cash airport upgrade on the ex-LHR leg. Should I try that at my origin (CPH) or wait to get to LHR and do it there? Or both?

I guess one can always ask nicely. At least that's what I'm planning to do at the HEL check in desk on my way to SAN in Dec. Unless there's an offer in MMB.