TAP is having a nice sale ex-Madrid to Sao Paulo via Portugal and includes service on their brand new Airbus 330-900 Neos.
This fare books into TAP J Class which credits at 200% to a variety of carriers. This trip you would earn 21660 miles in many Star Alliance programs. United credits at 125% or 13538 miles.
Here is a Trip Report on their Airbus 330 from Sao Paulo to Lisboa and a Trip Report from Lisboa to Munich (which highlights the intra-Europe service)
Airbus 330 Neo Business Class