I read up on this :
https://www.gringoinbuenosaires.com/...ne-air-travel/
Looks like it worked for a lot of people at least in Argentina...
I already booked hotel, hostel, and the rest of the tours around this flight schedule and a certain budget... I know it's not the right thing to do, but trying to see if there's a way to get away with it for now.
Thanks for your information. I probably will end up cancelling and re-schedule everything.