Originally Posted by
PETER01
You can ask on the day at the airport and is called an AUP (Airport Upgrade) on here. Not guaranteed if they are available but it's reasonably common ish across the board, Y to W, WT+ to CW, Y to CE etc. More info here but the golden rule is Avios bookings don't earn TP's, cash upgrade or not.
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Thanks I had read about AUP before but didn’t think it worked on Avios bookings. It’s good to know for future. I’ve just made paid seat reservations so I believe you don’t get these back.
Also the $900+ JFK-LHR from CW-F seems a little steep.