It's all about the landings, price-wise.
The CCQ A320-330 can be done for 7000 EUR.
But only if you have someone doing zero flight training with you (that's four landings on the line with a TRI) you can get the license entry without doing landings. But hardly any operator will let you do that. Plus you'll have to bring solid jet experience to qualify for ZFTT.
In any other case you'll have to do the landings in a real plane, and that's going to be costly in an A330...