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Sydney to Hong Kong flights in December 2026 from $709 SYD, WSI → HKG

Sydney (Kingsford Smith) Airport (SYD), Western Sydney Airport (WSI) → Hong Kong International Airport (HKG)

For departures in December 2026, the cheapest return found recently is $709 with Hainan Airlines, 31 Dec – 4 Jan 2027, found yesterday.

Return

In December 2026, the cheapest return fare on each of 11 departure dates is usually $821 to $1,063. Across all 28 departure dates we hold on this route, it is usually $764 to $1,057. Of the 2 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$709

31 Dec – 4 Jan 2027 · Hainan Airlines

Sydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)

out 1 stop, back 1 stop

found yesterday

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
31 Dec – 4 Jan 2027$709Hainan Airlinesout 1 stop, back 1 stopfound yesterdaySee prices for these dates
21 Dec – 27 Dec$749Juneyao Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
29 Dec – 4 Jan 2027$815Hainan Airlinesout 1 stop, back 1 stopfound 2 days agoSee prices for these dates
28 Dec – 1 Jan 2027$826Juneyao Airlinesout 1 stop, back 1 stopfound yesterdaySee prices for these dates
24 Dec – 30 Dec$928Philippine Airlinesout 1 stop, back 1 stopfound 3 days agoSee prices for these dates

Every date we hold

11 departure dates

18 Dec – 23 Dec: $1,163, found 3 days ago19 Dec – 23 Dec: $1,079, found 2 days ago21 Dec – 27 Dec: $749, found 2 days ago23 Dec – 28 Dec: $936, found 2 days ago24 Dec – 30 Dec: $928, found 3 days ago26 Dec – 1 Jan 2027: $1,076, found 3 days ago27 Dec – 31 Dec: $1,050, found 2 days ago28 Dec – 1 Jan 2027: $826, found yesterday29 Dec – 4 Jan 2027: $815, found 2 days ago30 Dec – 4 Jan 2027: $1,023, found 2 days ago31 Dec – 4 Jan 2027: $709, found yesterdayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
18 Dec – 23 Dec$1,163Hainan AirlinesSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
19 Dec – 23 Dec$1,079Garuda IndonesiaSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
21 Dec – 27 Dec$749Juneyao AirlinesSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
23 Dec – 28 Dec$936JetstarWestern Sydney Airport (WSI) → Hong Kong International Airport (HKG)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
24 Dec – 30 Dec$928Philippine AirlinesSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
26 Dec – 1 Jan 2027$1,076Philippine AirlinesSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 1 stopfound 3 days agoSee prices for these dates
27 Dec – 31 Dec$1,050Philippine AirlinesSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 2 stopsfound 2 days agoSee prices for these dates
28 Dec – 1 Jan 2027$826Juneyao AirlinesSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
29 Dec – 4 Jan 2027$815Hainan AirlinesSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
30 Dec – 4 Jan 2027$1,023Xiamen AirlinesSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
31 Dec – 4 Jan 2027$709Hainan AirlinesSydney (Kingsford Smith) Airport (SYD) → Hong Kong International Airport (HKG)out 1 stop, back 1 stopfound yesterdaySee prices for these dates

Which month looks cheapest?

October 2027 is the cheapest month — from $679.

November 2026From $7621 departure date28 Nov – 6 Dec · found 7 days agoSee prices for these dates
December 2026From $70911 departure dates31 Dec – 4 Jan 2027 · found yesterdaySee prices for these dates
January 2027From $70514 departure dates7 Jan 2027 – 13 Jan 2027 · found 3 days agoSee prices for these datesEvery date in January 2027
October 2027From $679Cheapest seen2 departure dates7 Oct 2027 – 23 Oct 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