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Cheap flights from Hong Kong to Sydney from £206

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
23 Apr — 30 Apr1
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 March, booked 77 days in advance, depart on a Wednesday or Thursday 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 24 March 2026.

Tue 7/418:30
HKG
-
SYD
1 stop23h 05m
Multiple Airlines
Wed 15/420:50
SYD
-
HKG
1 stop16h 25m
Multiple Airlines
Deal found 24/3£398
Mon 25/511:40
HKG
-
SYD
1 stop16h 35m
Juneyao Airlines
Tue 2/608:15
SYD
-
HKG
1 stop28h 25m
Juneyao Airlines
Deal found 22/3£408
Mon 18/511:40
HKG
-
SYD
1 stop16h 35m
Juneyao Airlines
Mon 1/608:15
SYD
-
HKG
1 stop28h 25m
Juneyao Airlines
Deal found 23/3£409
Tue 31/318:40
HKG
-
SYD
1 stop17h 35m
Sichuan Airlines
Tue 14/420:20
SYD
-
HKG
1 stop23h 05m
Sichuan Airlines
Deal found 21/3£411
Tue 28/418:30
HKG
-
SYD
1 stop23h 05m
Multiple Airlines
Tue 12/520:50
SYD
-
HKG
1 stop23h 05m
Multiple Airlines
Deal found 23/3£413
Sat 25/418:30
HKG
-
SYD
1 stop23h 05m
Multiple Airlines
Sun 3/520:50
SYD
-
HKG
1 stop16h 25m
Multiple Airlines
Deal found 20/3£420
Sun 8/1119:50
HKG
-
SYD
1 stop33h 15m
VietJet Air
Tue 17/1111:15
SYD
-
HKG
1 stop34h 35m
VietJet Air
Deal found 23/3£426

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 24 March 2026.

Round-trip from

£398

One-way from

£206

Popular in

January

Cheapest in

August

Average price

£465

Good one-way deal

£464 or less
7/4-15/4
  • 7/4-15/4
  • 2 total stops
  • 39h 30m total
  • Hong Kong to Sydney
Search Deals
15/9
  • 15/9
  • 2 total stops
  • 22h 55m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£85 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Hong Kong Intl to Sydney Kingsford Smith.
Search Deals

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 858,174 searches. Data last updated 24 March 2026.
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 return flight

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 18/5

08:45-06:25

1 stop19h 40m

Sydney Kingsford Smith

Fri 22/5

09:15-23:50

1 stop16h 35m

£445

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 1/6

18:40-14:15

1 stop17h 35m

Sydney Kingsford Smith

Wed 3/6

20:20-17:25

1 stop23h 05m

£454

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 14/5

14:35-10:00

1 stop17h 25m

Sydney Kingsford Smith

Sun 17/5

22:10-13:15

1 stop17h 05m

£524
Fastest return journey

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 5/5

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sun 17/5

10:10-17:55

Nonstop9h 45m

£568

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 16/4

14:35-10:00

1 stop17h 25m

Sydney Kingsford Smith

Fri 17/4

13:05-13:15

1 stop26h 10m

£584

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 1/7

20:05-12:15

1 stop14h 10m

Sydney Kingsford Smith

Thu 16/7

10:10-17:55

Nonstop9h 45m

£592

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 18/5

20:05-11:30

1 stop13h 25m

Sydney Kingsford Smith

Fri 22/5

10:10-17:55

Nonstop9h 45m

£592

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 4/6

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sun 7/6

10:10-17:55

Nonstop9h 45m

£593

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 7/7

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sun 12/7

06:25-17:55

1 stop13h 30m

£600

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 13/5

15:15-06:05

2 stops36h 50m

Sydney Kingsford Smith

Sun 17/5

07:05-14:15

2 stops33h 10m

£601

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 17 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 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 13 March 2026.

The best time to book flights from Hong Kong to Sydney is 77 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, October is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of £331). Flying from Hong Kong to Sydney in January is currently the most expensive (average of £490). 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 24 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to Sydney as you normally would.

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 24 March 2026.
See what other customers who have flown with Cathay Pacific and Qantas 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.
Cathay Pacific
7.6
Good
1,228 reviews
Check prices

Crew

8.1

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Cathay Pacific
7.6
Good
1,228 reviews
Cathay Pacific
7.6
Good
1,228 reviews
Check prices

Crew

8.1

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Qantas Airways
7.5
Good
1,009 reviews
Cathay Pacific
7.6
Good
1,228 reviews
Check prices

Crew

8.1

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.

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 2 different airlines have flights from Hong Kong Intl (HKG) to Kingsford Smith (SYD) on a regular basis. There are 21 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 05m.

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

    The Hong Kong Intl to Sydney Kingsford Smith flight path was viewed by 38 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?

    A quick flight from Hong Kong to Sydney can take about 9h 15m. Malaysia Airlines provides one of the quickest options available for as low as £568. There are 4590 mi between Hong Kong and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Currently priced at £415, Cathay Pacific will fly you from Hong Kong to Sydney and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qantas Airways for as low as £423. Users have found that Cathay Pacific is 24% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Hong Kong Airlines, which is currently one of the cheapest options available, starting at £229. Qantas Airways flights start at £398 while deals on Cathay Pacific start at £431 one-way.

  • 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 (70%), Turkish Airlines (70%), MIAT Mongolian( 67%).

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

    Looking for the cheapest flight from Hong Kong to Sydney? While on average our users pay £863, our data indicates the cheapest price to be £464. The most popular route (Hong Kong Intl - Sydney Kingsford Smith), is priced around £262.

  • 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, October is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of £331). Flying from Hong Kong to Sydney in January is currently the most expensive (average of £490). 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
Wollongong
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Hong Kong to Sydney

Discover the top 2 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 858,174 searches. Data last updated 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest£415Average£542FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapest£423Average£496FlexibilityNo cancel feeOn-time74%
Search Qantas Airways 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?

Cheapflights helps you search for flights from Hong Kong to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Sydney for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Sydney from Hong Kong shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Hong Kong to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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