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Cheap flights from Hong Kong to Sydney from $455

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
29 Aug — 5 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong 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 30 July 2026.

Sun 1/1119:25
HKG
-
SYD
Nonstop9h 30m
Qantas Airways
Sun 8/1111:15
SYD
-
HKG
Nonstop9h 35m
Qantas Airways
Deal found 28/7$875
Mon 26/1023:55
HKG
-
SYD
Nonstop9h 05m
Cathay Pacific
Wed 28/1011:05
SYD
-
HKG
Nonstop9h 25m
Cathay Pacific
Deal found 27/7$876
Tue 1/914:30
HKG
-
SYD
1 stop19h 45m
Vietnam Airlines
Fri 4/910:15
SYD
-
HKG
1 stop33h 10m
Vietnam Airlines
Deal found 28/7$878
Mon 17/820:45
HKG
-
SYD
1 stop13h 00m
Multiple Airlines
Fri 21/810:15
SYD
-
HKG
2 stops28h 25m
Multiple Airlines
Deal found 28/7$879
Sun 23/819:30
HKG
-
SYD
Nonstop9h 15m
Qantas Airways
Sat 5/910:10
SYD
-
HKG
Nonstop9h 45m
Qantas Airways
Deal found 28/7$881
Thu 27/820:45
HKG
-
SYD
1 stop13h 00m
Scoot
Thu 3/913:00
SYD
-
HKG
1 stop32h 45m
Scoot
Deal found 29/7$882
Wed 26/819:30
HKG
-
SYD
Nonstop9h 15m
Qantas Airways
Wed 2/910:10
SYD
-
HKG
Nonstop9h 45m
Qantas Airways
Deal found 27/7$884
Sun 6/920:45
HKG
-
SYD
1 stop13h 00m
Multiple Airlines
Sun 20/910:15
SYD
-
HKG
2 stops39h 15m
Multiple Airlines
Deal found 29/7$886
Fri 14/820:45
HKG
-
SYD
1 stop20h 35m
Multiple Airlines
Wed 26/810:15
SYD
-
HKG
1 stop34h 35m
Multiple Airlines
Deal found 29/7$888

Find flight deals from Hong Kong to Sydney

Keep the following information in mind while searching for Hong Kong to Sydney flight deals. Data was last updated 30 July 2026.

Round-trip from

$876

One-way from

$455

Popular in

January

Cheapest in

March

Average price

$1,351

Good round-trip deal

$1,021 or less

Good one-way deal

$708 or less
Cathay Pacific
  • Cathay Pacific
  • 26/10-28/10
  • Nonstop
  • 18h 30m total
  • Hong Kong to Sydney
Search Deals
Scoot
  • Scoot
  • 16/8
  • 1 total stop
  • 13h 00m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($265 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($39 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 to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Hong Kong 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 30 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

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 1/9

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sat 12/9

10:10-17:55

Nonstop9h 45m

$902

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 1/9

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Wed 16/9

10:10-17:55

Nonstop9h 45m

$902

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 22/8

22:05-09:35

Nonstop9h 30m

Sydney Kingsford Smith

Sun 30/8

11:05-19:10

Nonstop10h 05m

$945
Fastest return journey

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 10/9

21:35-08:40

Nonstop9h 05m

Sydney Kingsford Smith

Mon 14/9

10:10-17:45

Nonstop9h 35m

$953

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 27/8

11:55-08:20

1 stop18h 25m

Sydney Kingsford Smith

Mon 7/9

20:50-11:15

1 stop16h 25m

$1,019

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 27/8

20:05-11:30

1 stop13h 25m

Sydney Kingsford Smith

Mon 7/9

10:10-17:55

Nonstop9h 45m

$1,050

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 26/10

14:50-07:55

1 stop14h 05m

Sydney Kingsford Smith

Wed 28/10

22:15-12:55

1 stop17h 40m

$1,056

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 9/9

14:35-06:30

1 stop13h 55m

Sydney Kingsford Smith

Mon 14/9

09:15-23:50

1 stop16h 35m

$1,056

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 8/9

14:35-10:00

1 stop17h 25m

Sydney Kingsford Smith

Mon 14/9

22:10-13:15

1 stop17h 05m

$1,056
Cheapest one-way

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 28/9

09:25-09:45

1 stop22h 20m

$505

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 19 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

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 $1,381). 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 HK 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 30 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.

Weekly flight availability from Hong Kong to Sydney

Explore weekly flight availability from Hong Kong to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 30 July 2026.

The most flights from HK0 to SYD are scheduled on a Tuesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 on average).

How often are flights from Hong Kong to Sydney delayed?

About 32% of weekly flights between Hong Kong and Sydney have experienced delays in the past year, with the average delay time being 127 minutes.

What is the most punctual flight time for Hong Kong to Sydney flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Hong Kong to Sydney flights?

Over the past year, Cathay Pacific have had the lowest number of delays on this route, with just 20% of flights being delayed.

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.

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 30 July 2026.
Check out reviews from past customers who have flown with Cathay Pacific,Qantas Airways, andHong Kong Airlines from Hong Kong to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,433 reviews
Check prices

Comfort

7.5

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.7

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
1,433 reviews
Cathay Pacific
7.6
Good
1,433 reviews
Check prices

Comfort

7.5

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.7

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
1,073 reviews
Cathay Pacific
7.6
Good
1,433 reviews
Check prices

Comfort

7.5

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.7

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
1,433 reviews
Check prices

Comfort

7.5

Boarding

7.9

Crew

8.1

Food

7.3

Entertainment

7.7

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 airport do you fly into for flights to Sydney from Hong Kong?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Hong Kong.

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

    Flights from Hong Kong to Sydney Kingsford Smith have been viewed 176 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 15m. Qantas Airways provides one of the quickest options available for as low as $902. The distance between Hong Kong and Sydney is about 7387 km. Most flights are nonstop.

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

    Hong Kong Airlines, at $631, 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?

    Consider Hong Kong Airlines (82%), Turkish Airlines (82%) or Qantas Airways (71%) when booking your flight. These represent the most reliable airlines when flying from Hong Kong to Sydney.

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

    On average you can expect to pay $2,160 for a flight from Hong Kong to Sydney. The cheapest flight overall is $521 while the most popular route, (Hong Kong Intl - Sydney Kingsford Smith) is currently priced at $678.

  • 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 $1,381). 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
Randwick
Terrigal
Leura
Bondi Beach
Coogee

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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 30 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Hong Kong AirlinesCheapest$631Average$960FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Qantas AirwaysCheapest$703Average$1,024FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$821Average$1,191FlexibilityNo 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?

When you search for this flight from Hong Kong to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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?

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?

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.

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