Originally Posted by
crescatfloreat
On the United website, not logged in, I priced the flight that interests us at 790 GBP.
She logged into the United website with her frequent flyer number and got a price of 907 USD.
Flights can be priced different in different regions. Given the current difference I'm guessing one of these flights was from the .co.uk website, and the other from the .com website.
Flights are NOT priced differently based on you being logged into the (same) website or not.