Have a decent amount of Avios but using them is the rub, eh? Looked at booking Club w/ cash and upgrading with Avios LAX-LHR-MRS return but only upgrading to first LAX-LHR (next April). Total tally came to:
51,000 Avios PLUS $37,000!
How does that algorithm work?
I could book first class return for less than a third of that with cash!