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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
14 Mar — 21 Mar1
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 38 days in advance, depart on a Sunday or Saturday 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 February 2026.

Thu 12/323:05
HKG
-
SYD
2 stops31h 10m
Multiple Airlines
Thu 19/320:05
SYD
-
HKG
2 stops25h 45m
Multiple Airlines
Deal found 9/2$762
Sat 28/216:25
HKG
-
SYD
1 stop16h 55m
Scoot
Sat 7/320:05
SYD
-
HKG
1 stop22h 20m
Scoot
Deal found 10/2$763
Sat 7/321:15
HKG
-
SYD
2 stops37h 20m
China Eastern
Sat 14/313:30
SYD
-
HKG
2 stops49h 25m
China Eastern
Deal found 10/2$764
Sat 4/418:40
HKG
-
SYD
1 stop17h 35m
Multiple Airlines
Wed 15/413:00
SYD
-
HKG
1 stop32h 45m
Multiple Airlines
Deal found 10/2$766
Tue 21/415:15
HKG
-
SYD
2 stops36h 50m
Multiple Airlines
Tue 28/420:50
SYD
-
HKG
1 stop23h 05m
Multiple Airlines
Deal found 10/2$767
Thu 26/219:25
HKG
-
SYD
Nonstop9h 30m
Qantas Airways
Wed 11/311:15
SYD
-
HKG
Nonstop9h 35m
Qantas Airways
Deal found 10/2$770
Mon 16/321:15
HKG
-
SYD
2 stops31h 05m
China Eastern
Sun 22/310:00
SYD
-
HKG
2 stops30h 40m
China Eastern
Deal found 12/2$771
Tue 10/312:40
HKG
-
SYD
2 stops21h 55m
China Eastern
Tue 17/309:20
SYD
-
HKG
2 stops33h 45m
China Eastern
Deal found 10/2$774
Tue 26/514:30
HKG
-
SYD
1 stop19h 45m
Vietnam Airlines
Tue 2/610:15
SYD
-
HKG
1 stop33h 10m
Vietnam Airlines
Deal found 9/2$776
Tue 26/514:30
HKG
-
SYD
1 stop19h 45m
Vietnam Airlines
Mon 1/610:15
SYD
-
HKG
1 stop33h 10m
Vietnam Airlines
Deal found 9/2$777
Thu 26/212:15
HKG
-
SYD
2 stops27h 35m
Multiple Airlines
Wed 11/313:35
SYD
-
HKG
2 stops25h 45m
Multiple Airlines
Deal found 9/2$778

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 February 2026.

Round-trip from

$762

One-way from

$455

Popular in

January

Cheapest in

August

Average price

$1,204

Good round-trip deal

$804 or less

Good one-way deal

$773 or less
12/3-19/3
  • 12/3-19/3
  • 4 total stops
  • 56h 55m total
  • Hong Kong to Sydney
12/4
  • 12/4
  • 3 total stops
  • 45h 10m total
  • Hong Kong to Sydney
Highest demand for flights based on searches. 15% potential increase in price ($276 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average return price).
Average for round-trip flights in February 2026
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 647,157 searches. Data last updated 12 February 2026.
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

Depart

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 24/5

14:30-12:15

1 stop19h 45m

Sydney Kingsford Smith

Mon 1/6

10:15-17:25

1 stop33h 10m

$777

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 20/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Sun 22/3

11:15-17:50

Nonstop9h 35m

$781

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 10/5

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Thu 14/5

10:10-17:55

Nonstop9h 45m

$781

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 12/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Sat 30/5

10:10-17:55

Nonstop9h 45m

$781

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 12/5

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sat 16/5

10:10-17:55

Nonstop9h 45m

$783

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 28/4

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Tue 12/5

10:10-17:55

Nonstop9h 45m

$783

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 9/5

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sat 23/5

10:10-17:55

Nonstop9h 45m

$783

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 21/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Sun 22/3

11:15-17:50

Nonstop9h 35m

$783

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 13/5

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sun 17/5

10:10-17:55

Nonstop9h 45m

$784

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 9/8

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Fri 14/8

10:10-17:55

Nonstop9h 45m

$784

Flights are sorted by cheapest return flights first.

Deals found on 12/2

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 6 February 2026.

To ensure you get the cheapest price possible for a flight from Hong Kong to Sydney, you should look to book at least 38 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, October is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $621). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $920). 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 February 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 February 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.

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Overall

7.6

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.

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Overall

7.6

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.

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Overall

7.6

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.

Food

7.3

Boarding

7.9

Crew

8.1

Comfort

7.6

Overall

7.6

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

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 26 flights from Hong Kong Intl to Kingsford Smith, all of which are around 9h 15m 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?

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

    A quick flight from Hong Kong to Sydney can take about 9h 30m. Vietnam Airlines provides one of the quickest options available for as low as $781. 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 $609, 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 $232. Users have also found prices from $255 and $366 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(83%), Turkish Airlines(83%) or Qantas Airways(80%), 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 $572. On average you can expect to pay $2,080. The most popular route, (Hong Kong Intl - Sydney Kingsford Smith), can usually be booked for $531.

  • 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 $621). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $920). 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
Manly
Katoomba
Terrigal
Lithgow
Leura
Coogee
Cronulla
Randwick
Bondi Beach

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 February 2026.

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 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Hong Kong AirlinesCheapest$609Average$881FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Qantas AirwaysCheapest$697Average$947FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$796Average$1,106FlexibilityNo 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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