Cheap flights from Hong Kong to Sydney from HK$2,521

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23-12. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Hong Kong Intl to Sydney Kingsford Smith are usually found in August or October, booked 80 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Hong Kong to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Sydney
Explore the most affordable flight options available from Hong Kong to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 December 2025.

Fri 26-1219:25HKG - SYD
Nonstop9h 30mQantas Airways
Sun 11-111:15SYD - HKG
Nonstop9h 35mQantas Airways
Deal found 14-12HK$4,420
Tue 30-1221:35HKG - SYD
1 stop14h 45mMultiple Airlines
Fri 30-112:35SYD - HKG
Nonstop9h 50mMultiple Airlines
Deal found 15-12HK$4,428
Mon 29-1216:10HKG - SYD
1 stop19h 45mMultiple Airlines
Fri 30-112:35SYD - HKG
Nonstop9h 50mMultiple Airlines
Deal found 16-12HK$4,436
Wed 24-1216:25HKG - SYD
1 stop16h 55mMultiple Airlines
Fri 23-121:50SYD - HKG
1 stop22h 40mMultiple Airlines
Deal found 14-12HK$4,459
Tue 30-1222:25HKG - SYD
Nonstop9h 30mMultiple Airlines
Sat 24-121:50SYD - HKG
1 stop16h 25mMultiple Airlines
Deal found 15-12HK$4,506
Fri 26-1221:05HKG - SYD
1 stop14h 50mMultiple Airlines
Sun 11-120:05SYD - HKG
1 stop28h 00mMultiple Airlines
Deal found 15-12HK$4,514
Wed 17-1208:15HKG - SYD
3 stops22h 00mMultiple Airlines
Sat 31-110:45SYD - HKG
2 stops20h 50mMultiple Airlines
Deal found 14-12HK$4,545
Fri 26-1216:25HKG - SYD
1 stop23h 25mScoot
Sun 11-120:05SYD - HKG
1 stop28h 00mScoot
Deal found 14-12HK$4,560
Tue 30-1215:55HKG - SYD
1 stop20h 25mHainan Airlines
Tue 6-121:00SYD - HKG
1 stop20h 50mHainan Airlines
Deal found 15-12HK$4,576
Sat 20-1221:35HKG - SYD
1 stop16h 45mHainan Airlines
Tue 30-1221:00SYD - HKG
1 stop15h 10mHainan Airlines
Deal found 16-12HK$4,630
Tue 23-1221:35HKG - SYD
1 stop14h 45mHainan Airlines
Sat 27-1221:00SYD - HKG
1 stop15h 10mHainan Airlines
Deal found 15-12HK$4,654
Sat 27-1221:35HKG - SYD
1 stop14h 45mHainan Airlines
Tue 6-121:00SYD - HKG
1 stop25h 50mHainan Airlines
Deal found 14-12HK$4,661

Find flight deals from Hong Kong to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 December 2025.

Round-trip from

HK$4,420

One-way from

HK$2,521

Popular in

January

Cheapest in

August

Average price

HK$6,840

Good round-trip deal

HK$5,139 or less

Good one-way deal

HK$2,663 or less
Qantas Airways
  • Qantas Airways
  • 26-12-11-1
  • Nonstop
  • 19h 05m total
  • Hong Kong to Sydney
23-12
  • 23-12
  • 3 total stops
  • 34h 10m total
  • Hong Kong to Sydney
Highest demand for flights based on searches. 21% potential increase in price (HK$12,856 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (HK$2,568 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Hong Kong Intl to Sydney Kingsford Smith.
Price to beat on a one-way flight from Hong Kong Intl to Sydney Kingsford Smith.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 16 December 2025.
Use the filters below to find and compare flights from Hong Kong to Sydney that are best for you.

Fly from

Hong Kong

Fly to

Sydney

Route

Departure

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 12-3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Sat 14-3

11:15-17:50

Nonstop9h 35m

HK$4,654

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 22-2

21:20-09:35

Nonstop9h 15m

Sydney Kingsford Smith

Sun 8-3

08:45-15:05

Nonstop9h 20m

HK$4,661

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 16-3

19:30-11:25

1 stop12h 55m

Sydney Kingsford Smith

Mon 20-4

10:10-17:55

Nonstop9h 45m

HK$5,276

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 6-6

20:05-12:25

1 stop14h 20m

Sydney Kingsford Smith

Sun 6-9

10:10-17:55

Nonstop9h 45m

HK$5,284

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 7-6

20:05-10:25

1 stop12h 20m

Sydney Kingsford Smith

Sun 6-9

10:10-17:55

Nonstop9h 45m

HK$5,284

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 23-3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Thu 26-3

11:15-17:50

Nonstop9h 35m

HK$5,533

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 12-3

19:30-08:05

1 stop33h 35m

Sydney Kingsford Smith

Sat 14-3

11:15-18:50

1 stop34h 35m

HK$5,603

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 25-3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Wed 8-4

10:10-17:55

Nonstop9h 45m

HK$6,202

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 25-3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Thu 9-4

10:10-17:55

Nonstop9h 45m

HK$6,202

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 7-2

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Sat 14-2

11:15-17:50

Nonstop9h 35m

HK$6,335

Flights are sorted by cheapest return flights first.

Deals found on 16-12

Showing 1-10 of 19 results
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 return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Sydney. Price data was last updated on 12 December 2025.

The best time to book flights from Hong Kong to Sydney is 80 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 HK$3,191). Flying from Hong Kong to Sydney in January is currently the most expensive (average of HK$5,712). 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?

Find hourly flight availability from Hong Kong to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 December 2025.

When flying from Hong Kong to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 22% versus a flight in the morning.

What is the cheapest day to fly from Hong Kong to Sydney?

Use this chart to determine the cheapest time to fly return from Hong Kong to Sydney. Price data was last updated on 13 December 2025.

Travellers seeking maximum savings on their Hong Kong to Sydney flight should consider departing on Saturday at midday when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 16 December 2025.
See what other customers who have flown with Singapore Airlines, Cathay Pacific, andQantas Airways 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.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Food

7.8

Entertainment

8.0

Crew

8.6

Overall

8.1

Comfort

8.0

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Hong Kong to Sydney?

    You will need to book a flight from Hong Kong Intl to Sydney Kingsford Smith if you want to fly from Hong Kong to Sydney. At least 7 different airlines have flights from Hong Kong Intl (HKG) to Kingsford Smith (SYD) on a regular basis. There are 26 flights to Sydney from the Hong Kong airport per day. If you manage to book one that is nonstop, then you can expect the flight time from HKG to SYD to be around 9h 00m.

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

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

    A quick flight from Hong Kong to Sydney can take about 9h 15m. Qantas Airways provides one of the quickest options available for as low as HK$4,661. There are 7387 km between Hong Kong and Sydney. All flights are typically direct.

  • What are the cheapest airlines flying from Hong Kong to Sydney round-trip?

    Scoot, at HK$2,631, was found to be the cheapest airline from Hong Kong to Sydney.Alternate airlines to your destination round-trip include Hong Kong Airlines and Hainan Airlines. You may be able to fly from Hong Kong to Sydney for 56% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Hong Kong to Sydney one-way?

    To fly one-way, consider booking your trip with Scoot, which is currently one of the cheapest options available, starting at HK$1,303. Hainan Airlines flights start at HK$1,562 while deals on 宿霧太平洋航空 start at HK$1,916 one-way.

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

    The top 3 most reliable airlines when flying from Hong Kong to Sydney are Turkish Airlines (93%), Lufthansa (89%) and Hong Kong Airlines (85%).

  • What are the cheapest flights from Hong Kong to Sydney?

    On average you can expect to pay HK$8,242 for a flight from Hong Kong to Sydney. The cheapest flight overall is HK$2,436 while the most popular route, (Hong Kong Intl - Sydney Kingsford Smith) is currently priced at HK$2,848.

  • 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 holiday 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 HK$3,191). Flying from Hong Kong to Sydney in January is currently the most expensive (average of HK$5,712). 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
Penrith

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Hong Kong to Sydney on these airlines

Choose from the following airlines for your flight from Hong Kong to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 16 December 2025.

Top 7 airlines flying from Hong Kong to Sydney

Discover the top 7 airlines that operate flights from Hong Kong to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 16 December 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapestHK$2,658AverageHK$3,234FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Hong Kong AirlinesCheapestHK$3,393AverageHK$4,530FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Hainan AirlinesCheapestHK$3,995AverageHK$4,562FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Singapore AirlinesCheapestHK$4,102AverageHK$5,044FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapestHK$4,279AverageHK$5,781FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapestHK$4,591AverageHK$6,424FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Philippine AirlinesCheapestHK$4,981AverageHK$7,021FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hong Kong to Sydney?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Hong Kong today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hong Kong to Sydney.

Can Cheapflights find flights from Hong Kong to Sydney with no change fees?

Yes, we can. To see specific flights from Hong Kong to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Hong Kong to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Hong Kong to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.