Originally Posted by
mikeyfly
If you want to free up the Avios, you’ll need to call up, pay the £35 fee per person and have everything else back,
Then preserve the voucher by booking and cancelling to to FTV a short haul one way or similar.
Lots more detail on this in the 241 and voucher threads.
I was hoping to avoid the cancellation option. £280 for 4 of us on a round trip.