im stuck with chillie!

hey crazy travellers!!
im doing a 3 months sth america trip in march but stuck with chillie.
I finish a tour in la paz and want to get down to satniago... stopping along the way. i have about 10 days to get down and will oragnsie a flight back from santiago to la paz. is this ample 10 days...??

then at the end of nmy trip, i have a flight that stops in beunos aries.. i want to travel down to patagonia.. I am not sure how to go about doing it..?? I wonrt fly as its too expensive.. and i have no idea how long to allow.. i no there is so much to do and see.. but i was hopping I could cover the main sites in about 2 - 3 weeks.. what do you think..?? By now it will be june .. is the weather going to be really bad??

any info would be greatfully appreciated!

Thanks in advance

:)