If you want a cheap flight from Cardiff to São Paulo, you've got two airlines to choose from. You can use the search box to filter your preferences, but we've found that the cheapest day to fly is 08 / Dec / 2024.
You can use the filters on your search to see more flights and find cheaper rates – São Paulo has more than one airport. So if you don't need to fly into São Paulo Aeroporto Internacional Guarulhos Airport, it's worth checking your other options. The 9332 km flight usually takes about 17 hrs.
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.