Originally Posted by
TravelPDX7
No star alliance members fly to mendoza only LAN (1W) and Aerolineas AR (ST) so I would be unable to go one way via UA, as well as all of the UA flights are to Buenos Aires which sucks as you have to transfer EZE to AEP to to intra-country, anywhere from 30m-1h commute, and then you are still without a flight.
That relegates most to flying in through SCL and then over the Andes to MDZ, which BTW is just an awesome flight, 30-45min of up through the Andes just marveling at them and then you descent down. Pretty much a sightseeing trip without the guide talking.
The limiting factor was MDZ-SCL which could be taken care of with Avios, which can be easy to get with transferrable programs. Spend 9K to save 30K.
This is also what I'm trying to tell the OP, that transferrable miles cards can really really help out. There's a reason why Chase UR is loved around here.