Will be interesting to watch over the coming days and weeks, but it seems it was a good idea to book the flight tickets to China one and a half month in advance.
I have booked BUD-XIY (T5 with the brand new unique one-stop-transfer)-PKX with China Eastern, as always with flights from BUD operated by Shanghai Airlines, for 172,50 CHF via Skyscanner and Cheaptickets.ch (TRAVIX-Group affiliate).
Now the price for the same flight has almost doubled, and we are still 3 weeks out from the day of departure.