Originally Posted by JTG
I flew BA and paid $300 for a WT+ upgrade from LAX to LHR.
Airlines keep doing upgrades at check in as this is a more profitable deal for them than when you actually buy the ticket. A friend of mine went for it too... $250 one way. When I heard, I reminder her that the return ticket was only $300 more on WT+ than WT when we did the original booking...