Go through your results for flights to Bolzano in Spain with Netflights.
If you don’t have set dates for when you want to fly to Bolzano, try searching by month – that way, you can compare airfares throughout the year.
So, if the flights to Bolzano don't work for you, you could always try searching for flights to other airports in Spain.
For even more options, check what other airports you could fly to Bolzano from. You might be able to make a saving by going from a different airport or city.