Originally Posted by
noFODplease
...You can also select 'Upgrade using Avios' after you have booked, in your Manage My Booking page.
I've never seem this option... . I only have these on my next booking:
Manage my booking:
Change seats
Add bags
Upgrade for $390
Meal options
Request assistance
Print itinerary
Print/email e-ticket receipt
Add On Business or Business Extra number
Change booking
Cancel booking