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Cheap flights from Hong Kong to Sydney from C$ 459

HKG — SYD
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to Sydney Kingsford Smith are usually found in March or May, booked 65 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Hong Kong to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Sydney

Sat 7/117:25 p.m. -
Nonstop9h 30m
Tue 10/1111:15 a.m. -
Nonstop9h 35m
Deal found 24/10C$ 948
Sun 1/117:25 p.m. -
Nonstop9h 30m
Sun 8/1111:15 a.m. -
Nonstop9h 35m
Deal found 26/10C$ 949
Sun 15/119:25 p.m. -
Nonstop9h 10m
Fri 4/128:45 a.m. -
Nonstop9h 15m
Deal found 27/10C$ 950
Tue 1/127:00 p.m. -
Nonstop9h 15m
Fri 4/128:45 a.m. -
Nonstop9h 15m
Deal found 25/10C$ 952
Fri 27/1110:25 p.m. -
Nonstop9h 40m
Tue 1/1212:35 p.m. -
Nonstop10h 00m
Deal found 28/10C$ 955
Tue 10/117:00 p.m. -
Nonstop9h 15m
Wed 11/1110:20 p.m. -
Nonstop9h 05m
Deal found 28/10C$ 966
Thu 31/128:35 p.m. -
1 stop31h 15m
Tue 19/18:50 a.m. -
1 stop29h 05m
Deal found 25/10C$ 987
Thu 5/117:25 p.m. -
Nonstop9h 30m
Mon 9/1111:15 a.m. -
Nonstop9h 35m
Deal found 28/10C$ 993
Fri 6/118:45 a.m. -
Nonstop9h 05m
Tue 10/1111:05 a.m. -
Nonstop9h 20m
Deal found 28/10C$ 994
Thu 19/119:25 p.m. -
Nonstop9h 10m
Thu 3/128:45 a.m. -
Nonstop9h 15m
Deal found 27/10C$ 995
Mon 9/119:25 p.m. -
Nonstop9h 10m
Wed 11/1110:20 p.m. -
Nonstop9h 05m
Deal found 27/10C$ 997
Mon 30/1110:25 p.m. -
Nonstop9h 40m
Mon 7/1212:35 p.m. -
Nonstop10h 00m
Deal found 28/10C$ 998

Find flight deals from Hong Kong to Sydney

Round-trip from

C$ 949

One-way from

C$ 459

Popular in

January

Cheapest in

March

Average price

C$ 1,032
Qantas Airways
  • Qantas Airways
  • 9/11-13/11
  • Nonstop
  • 19h 05m total
  • Hong Kong to Sydney
Search Deals
11/12-31/12
  • 11/12-31/12
  • 2 total stops
  • 24h 45m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 247 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Hong Kong to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Mon 30/11

10:25 p.m.-11:05 a.m.

Nonstop9h 40m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 545

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Sun 13/12

10:25 p.m.-11:05 a.m.

Nonstop9h 40m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 584

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Sun 27/12

10:25 p.m.-11:05 a.m.

Nonstop9h 40m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 585

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Sun 8/11

10:25 p.m.-11:05 a.m.

Nonstop9h 40m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 694

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Wed 3/2

9:00 a.m.-8:35 a.m.

2 stops44h 35m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 893

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Mon 23/11

11:55 a.m.-6:50 a.m.

1 stop15h 55m

Sydney Kingsford Smith

Mon 30/11

8:50 a.m.-10:55 a.m.

1 stop29h 05m

C$ 1,047

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Sat 20/3

8:35 p.m.-6:50 a.m.

1 stop31h 15m

Sydney Kingsford Smith

Sat 27/3

8:50 a.m.-10:40 a.m.

1 stop28h 50m

C$ 1,049

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Fri 29/1

9:35 a.m.-7:25 a.m.

2 stops42h 50m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-10:00 p.m.

Nonstop0h 00m

C$ 1,070

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Mon 9/11

9:25 p.m.-9:35 a.m.

Nonstop9h 10m

Sydney Kingsford Smith

Wed 11/11

8:45 a.m.-3:00 p.m.

Nonstop9h 15m

C$ 1,133

Hong KongSydney

HKG Hong Kong Intl - SYD Sydney Kingsford Smith

HKGSYD

Hong Kong Intl

Sun 8/11

7:30 p.m.-11:25 a.m.

1 stop12h 55m

Sydney Kingsford Smith

Wed 11/11

11:15 a.m.-5:50 p.m.

Nonstop9h 35m

C$ 1,133

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Hong Kong to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Hong Kong with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Sydney

How far ahead should I book a flight from Hong Kong to Sydney?

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Hong Kong to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Hong Kong to Sydney?

Currently, March is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of C$ 872). Flying from Hong Kong to Sydney in January is currently the most expensive (average of C$ 1,428). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HKG to SYD?

When flying from Hong Kong to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Hong Kong to Sydney?

Airfare is typical for this route at the moment.

Hong Kong to Sydney flights typically cost between C$ 945 and C$ 1,228 in November.
The cheapest round-trip price found within the last 5 days was C$ 949 on Qantas Airways (9 Nov-13 Nov).

Reviews of airlines servicing Sydney

See what other customers who have flown with Cathay Pacific from Hong Kong to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,531 reviews
Check prices

Food

7.3

Boarding

7.9

Comfort

7.6

Overall

7.6

Crew

8.1

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,531 reviews
Cathay Pacific
7.6
Good
1,531 reviews
Check prices

Food

7.3

Boarding

7.9

Comfort

7.6

Overall

7.6

Crew

8.1

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

Related info for your journey

  • How popular is this Hong Kong to Sydney flight route?

    This flight path from Hong Kong Intl to Sydney Kingsford Smith was viewed by 5 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Hong Kong to Sydney?

    Departing from Hong Kong to Sydney will take you 9h 10m. The distance from Hong Kong to Sydney is about 7387 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Hong Kong to Sydney round-trip?

    Cathay Pacific, at C$ 802, was found to be the cheapest airline from Hong Kong to Sydney.. Cathay Pacific is 27% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Hong Kong to Sydney?

    Before booking your flight to Sydney from Hong Kong, check out the most reliable airlines to get you to your destination on time: Hong Kong Airlines (85%), Turkish Airlines (85%), SWISS( 74%).

  • Can I find deals for flights from Hong Kong to Sydney that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Sydney.

  • Can I find deals for business class flights from Hong Kong to Sydney?

    Yes. Cheapflights offers flight deals from Hong Kong to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hong Kong to Sydney?

    Currently, March is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of C$ 872). Flying from Hong Kong to Sydney in January is currently the most expensive (average of C$ 1,428). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Parramatta

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Hong Kong to Sydney

AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapestC$ 802AverageC$ 829FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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