If you want a cheap flight from Liverpool to São Paulo, you've got zero airlines to choose from.
Make sure you use the search options above to search for flights to other airports in São Paulo, not just São Paulo Aeroporto Internacional Guarulhos Airport. The more options you look at, the better your chance of finding a cheap deal.
If you're planning on going to São Paulo during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.