Originally Posted by
kryten22uk
The difference in BD miles is only 10k, and by way of valuing that, they can be bought for £135 online. So who wouldn’t grab an upgrade for £135.
However you suggestion that J is just as good for short day flight is food for thought.
Than I would take F due to the fact that you have to use x 2,5 after May 1st for BD F mile redemptions...