flabound wrote:sorry Neil i have to disagree, you can do it. i just checked back and on my Jan LGW-MCO-JFK-LHR trip I booked an econ return suing miles (34750) then got a free upgrade to PE. at both LGW and JFK i used 20000 a time to upgrade to UC.
so my trip cost just under 75000 saving 20000 miles
BTW UC return to NYC is 90k not 100
Okay, so that goes back to the old "on the day, at the airport, anything is possible" saying we use on here a lot.
If you had tried to do the upgrade in advance of your flight, then it would have been a no, but at the airport, if there are miles seats available then on some occasions it will be possible, just like sometimes they will allow you to upgrade say a K fare code with just miles. That is something not allowed in the rules but for some reason, at certain times on certain flights, the rules go out of the window.
James - it is certainly worth trying on the day, but it isn't allowed in advance. Just like the companion voucher, you can upgrade the paid for ticket, but you can't the companion ticket (with either miles or cash)
Neil