Originally Posted by cantongirl

On which long haul route did you get such a good price?
Y to J upgrade on AY long haul in my experience usually cost about 700eu, which of course fluctuates a bit according to the loading. But my experience is limited on Asian routes that nowadays last 12-14hrs long.
If they ask only 350eu for Y to J on Asian routes, that is very rare, a price of exception, even in Pre-Covid era. With a cash upgrade as low as this there is no reason to use Aviso 😅