I shall show discipline - come back at 17:49!
getting to the Fi sin't too hard in normal times- (but it isn't cheap) - the RAF one-stop runs a couple of times a week and is effectively an overnighter. The LAN Chile flight can get you from Madrid via Santiago but that requires an overnight each way (and a horribly early departure on a Saturday) in Santiago - which is a nice spot.
The "second flight" which is/was going to be TAM from Sao Paulo via Argentina was due to start when CV-19 stopped all that - I think that was going to be a mid week flight but never saw the timetable .