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Cheap flights from Hong Kong to Sydney from $457

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
11 Aug — 18 Aug1
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 18 days in advance, depart on a Thursday or Sunday 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 12 July 2026.

Wed 16/916:05
HKG
-
SYD
1 stop20h 20m
Multiple Airlines
Sun 27/909:45
SYD
-
HKG
2 stops21h 10m
Multiple Airlines
Deal found 11/7$913
Sat 22/807:40
HKG
-
SYD
3 stops33h 40m
Multiple Airlines
Sun 30/820:35
SYD
-
HKG
1 stop25h 10m
Multiple Airlines
Deal found 10/7$914
Fri 21/807:40
HKG
-
SYD
2 stops33h 40m
Multiple Airlines
Sun 30/820:35
SYD
-
HKG
2 stops26h 35m
Multiple Airlines
Deal found 9/7$916
Mon 17/820:30
HKG
-
SYD
3 stops37h 15m
Multiple Airlines
Thu 20/820:35
SYD
-
HKG
1 stop25h 10m
Multiple Airlines
Deal found 8/7$917
Sat 22/814:00
HKG
-
SYD
2 stops27h 20m
Multiple Airlines
Sun 13/915:10
SYD
-
HKG
1 stop29h 40m
Multiple Airlines
Deal found 9/7$919
Tue 11/814:30
HKG
-
SYD
1 stop19h 45m
Multiple Airlines
Sun 23/820:35
SYD
-
HKG
1 stop25h 10m
Multiple Airlines
Deal found 9/7$920
Sun 9/820:45
HKG
-
SYD
1 stop20h 35m
Multiple Airlines
Thu 13/810:15
SYD
-
HKG
2 stops28h 25m
Multiple Airlines
Deal found 10/7$922
Thu 10/920:45
HKG
-
SYD
1 stop13h 00m
Multiple Airlines
Sun 13/911:05
SYD
-
HKG
Nonstop10h 05m
Multiple Airlines
Deal found 10/7$923
Wed 12/816:05
HKG
-
SYD
1 stop20h 00m
Multiple Airlines
Sun 23/810:15
SYD
-
HKG
1 stop34h 35m
Multiple Airlines
Deal found 10/7$924
Sun 9/820:45
HKG
-
SYD
1 stop13h 00m
Multiple Airlines
Tue 25/813:00
SYD
-
HKG
2 stops25h 30m
Multiple Airlines
Deal found 10/7$926
Wed 12/810:15
HKG
-
SYD
1 stop25h 50m
Multiple Airlines
Wed 26/810:15
SYD
-
HKG
1 stop34h 35m
Multiple Airlines
Deal found 9/7$927
Thu 13/819:30
HKG
-
SYD
Nonstop9h 15m
Qantas Airways
Thu 27/810:10
SYD
-
HKG
Nonstop9h 45m
Qantas Airways
Deal found 9/7$929

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 12 July 2026.

Round-trip from

$913

One-way from

$457

Popular in

January

Cheapest in

March

Average price

$1,341

Good round-trip deal

$1,221 or less

Good one-way deal

$695 or less
Scoot
  • Scoot
  • 22/8-30/8
  • 3 total stops
  • 54h 35m total
  • Hong Kong to Sydney
Search Deals
19/9
  • 19/9
  • 2 total stops
  • 45h 40m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($276 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to Sydney Kingsford Smith.
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 647,157 searches. Data last updated 12 July 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
Fastest return journey

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 2/11

08:45-20:50

Nonstop9h 05m

Sydney Kingsford Smith

Tue 3/11

15:15-21:30

Nonstop9h 15m

$950

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 5/10

21:35-09:40

Nonstop9h 05m

Sydney Kingsford Smith

Sat 10/10

22:20-04:40

Nonstop9h 20m

$978

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 20/8

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sat 5/9

10:10-17:55

Nonstop9h 45m

$1,019

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 19/8

19:50-07:20

1 stop33h 30m

Sydney Kingsford Smith

Sun 23/8

10:15-18:50

1 stop34h 35m

$1,104

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 22/8

15:40-11:45

1 stop18h 05m

Sydney Kingsford Smith

Sun 30/8

11:00-23:00

1 stop14h 00m

$1,154

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 28/10

19:30-18:55

1 stop20h 25m

Sydney Kingsford Smith

Sun 1/11

11:15-17:50

Nonstop9h 35m

$1,159

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 21/8

14:35-08:00

2 stops39h 25m

Sydney Kingsford Smith

Sat 29/8

10:00-12:20

2 stops28h 20m

$1,235

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 23/8

20:45-09:00

2 stops58h 15m

Sydney Kingsford Smith

Sun 30/8

10:05-16:05

3 stops56h 00m

$1,275

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 25/7

15:15-19:05

1 stop25h 50m

Sydney Kingsford Smith

Sat 1/8

08:35-14:15

1 stop31h 40m

$1,285

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 5/9

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sat 5/12

07:25-17:35

1 stop13h 10m

$1,285

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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?

To ensure you get the cheapest price possible for a flight from Hong Kong to Sydney, you should look to book at least 17 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $886). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $1,363). 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 12 July 2026.

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 for a return flight from Hong Kong to Sydney?

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 12 July 2026.
Read through reviews of airlines operating flights from Hong Kong to Sydney, such as Cathay Pacific,Qantas Airways, andHong Kong Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,406 reviews
Check prices

Entertainment

7.7

Food

7.3

Crew

8.1

Comfort

7.6

Boarding

7.9

Overall

7.6

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
1,406 reviews
Cathay Pacific
7.6
Good
1,406 reviews
Check prices

Entertainment

7.7

Food

7.3

Crew

8.1

Comfort

7.6

Boarding

7.9

Overall

7.6

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.
Qantas Airways
7.5
Good
1,061 reviews
Cathay Pacific
7.6
Good
1,406 reviews
Check prices

Entertainment

7.7

Food

7.3

Crew

8.1

Comfort

7.6

Boarding

7.9

Overall

7.6

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.
Hong Kong Airlines
6.3
Okay
31 reviews
Cathay Pacific
7.6
Good
1,406 reviews
Check prices

Entertainment

7.7

Food

7.3

Crew

8.1

Comfort

7.6

Boarding

7.9

Overall

7.6

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

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?

    Booking a flight from Hong Kong Intl (HKG) to Sydney Kingsford Smith (SYD) is your only option if you wish to fly from Hong Kong to Sydney. On a typical day, there are 24 flights from Hong Kong Intl to Kingsford Smith, all of which are around 9h 05m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Hong Kong Intl to Sydney.

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

    Flights from Hong Kong Intl to Sydney Kingsford Smith have been viewed 196 times in the past calendar month.

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

    A quick flight from Hong Kong to Sydney can take about 9h 05m. Cathay Pacific provides one of the quickest options available for as low as $950. The distance between Hong Kong and Sydney is about 7387 km. 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?

    Hong Kong Airlines, at $630, was found to be the cheapest airline from Hong Kong to Sydney.Alternate airlines to your destination round-trip include Qantas Airways and Cathay Pacific. Users have found that Hong Kong Airlines is 42% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Scoot. According to our data, you can fly for as low as $281. Users have also found prices from $320 and $374 on Cebu Pacific and Hainan Airlines, respectively.

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

    No one likes to see their flight delayed. When booking a flight from Hong Kong to Sydney consider choosing Hong Kong Airlines(86%), Turkish Airlines(86%) or Qantas Airways(75%), as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Hong Kong to Sydney is $545. On average you can expect to pay $1,763. The most popular route, (Hong Kong Intl - Sydney Kingsford Smith), can usually be booked for $670.

  • 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 $886). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $1,363). 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
Parramatta
Wollongong
Penrith
Katoomba
Manly
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

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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 12 July 2026.
Cathay Pacific flights from Hong Kong Intl to Sydney Kingsford Smith
Qantas Airways flights from Hong Kong Intl to Sydney Kingsford Smith

Top 3 airlines flying from Hong Kong to Sydney

Discover the top 3 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 647,157 searches. Data last updated 12 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Hong Kong AirlinesCheapest$630Average$959FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Qantas AirwaysCheapest$703Average$975FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$814Average$1,193FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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?

Deals for Hong Kong to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Sydney from Hong Kong by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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