This deal seems to reoccur every couple of months, similar to this deal but with a return date before 30/06/2018.
Return from:
Melbourne, Sydney, Brisbane or Adelaide from $1,199
Perth $1,499
Conditions say flights start from February, but I found some departing Melbourne in November, returning June.
Connecting flights to other South American countries via Santiago are also part of the same sale.
Lima $1,299
Buenos Aires $1,149
Bogotá $1,399
São Paulo $1,299
Rio de Janeiro $1,299
Conditions:
- Valid fare to purchase until midnight on Monday, 21 August 2017
- Flights operated by LATAM Airlines
- Fare class N
- Flight in Economy class, subject to availability.
- Flight with a stopover
- Fare available for purchase up to 21 days before the start of the trip
- Changes are permitted before flight departure with a charge of AU$ 205
- Refunds are not permitted
- Minimum stay 7 nights
- You may stay at your destination for up to 1 year
- Fare valid to start a flight on Sydney from Monday, 19 February 2018
- Fare valid for flights returning from Santiago de Chile before Saturday, 30 June 2018
- Only aplies on flights LA800, LA801, LA804, LA805
- Fare subject to availability.
- Price all included.
Depending on dates, you can get Australia to Santiago a bit cheaper here