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Santiago to Sydney flights in December 2026 from $1,747 SCL → SYD, WSI

Arturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD), Western Sydney Airport (WSI)

For departures in December 2026, the cheapest return found recently is $1,747 with LATAM Airlines Group, 17 Dec – 6 Feb 2027, found yesterday.

Return

In December 2026, the cheapest return fare on each of 13 departure dates is usually $1,776 to $1,984. Across all 15 departure dates we hold on this route, it is usually $1,699 to $1,970.

Cheapest return found recently

$1,747

17 Dec – 6 Feb 2027 · LATAM Airlines Group

Arturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)

out nonstop, back 1 stop

found yesterday

See prices for these datesCheck today's price

Cheapest we hold, of any age

$1,506

9 Dec – 5 Feb 2027 · LATAM Airlines Group

Arturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)

out nonstop, back 1 stop

found 4 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
9 Dec – 5 Feb 2027$1,506LATAM Airlines Groupout nonstop, back 1 stopfound 4 days agoSee prices for these dates
1 Dec – 29 Jan 2027$1,609LATAM Airlines Groupout nonstop, back 1 stopfound 3 days agoSee prices for these dates
17 Dec – 6 Feb 2027$1,747LATAM Airlines Groupout nonstop, back 1 stopfound yesterdaySee prices for these dates
16 Dec – 4 Feb 2027$1,776LATAM Airlines Groupout nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Dec – 12 Feb 2027$1,779LATAM Airlines Groupout nonstop, back nonstopfound 4 days agoSee prices for these dates

Every date we hold

13 departure dates

1 Dec – 29 Jan 2027: $1,609, found 3 days ago9 Dec – 5 Feb 2027: $1,506, found 4 days ago15 Dec – 5 Feb 2027: $1,893, found 3 days ago16 Dec – 4 Feb 2027: $1,776, found 2 days ago17 Dec – 6 Feb 2027: $1,747, found yesterday18 Dec – 6 Feb 2027: $1,956, found 7 days ago19 Dec – 5 Feb 2027: $1,853, found 4 days ago20 Dec – 5 Feb 2027: $1,985, found 4 days ago21 Dec – 5 Feb 2027: $1,984, found yesterday22 Dec – 12 Feb 2027: $2,036, found 5 days ago23 Dec – 12 Feb 2027: $2,037, found 5 days ago24 Dec – 12 Feb 2027: $1,896, found 5 days ago25 Dec – 12 Feb 2027: $1,779, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec – 29 Jan 2027$1,609LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back 1 stopfound 3 days agoSee prices for these dates
9 Dec – 5 Feb 2027$1,506LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back 1 stopfound 4 days agoSee prices for these dates
15 Dec – 5 Feb 2027$1,893LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 3 days agoSee prices for these dates
16 Dec – 4 Feb 2027$1,776LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 2 days agoSee prices for these dates
17 Dec – 6 Feb 2027$1,747LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back 1 stopfound yesterdaySee prices for these dates
18 Dec – 6 Feb 2027$1,956LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
19 Dec – 5 Feb 2027$1,853LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
20 Dec – 5 Feb 2027$1,985LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
21 Dec – 5 Feb 2027$1,984QantasArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound yesterdaySee prices for these dates
22 Dec – 12 Feb 2027$2,036LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Western Sydney Airport (WSI)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
23 Dec – 12 Feb 2027$2,037LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
24 Dec – 12 Feb 2027$1,896QantasArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back 1 stopfound 5 days agoSee prices for these dates
25 Dec – 12 Feb 2027$1,779LATAM Airlines GroupArturo Merino Benitez Airport (SCL) → Sydney (Kingsford Smith) Airport (SYD)out nonstop, back nonstopfound 4 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $1,506.

December 2026From $1,506Cheapest seen13 departure dates9 Dec – 5 Feb 2027 · found 4 days agoSee prices for these dates
March 2027From $1,6511 departure date7 Mar 2027 – 18 Mar 2027 · found 3 days agoSee prices for these dates
May 2027From $1,6481 departure date1 May 2027 – 16 May 2027 · found 4 days agoSee prices for these dates

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work