Cheap flights from Hong Kong to Sydney from $345

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
3 set — 10 set1
1 adult

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

Cheap 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 29 agosto 2025.

Round-trip from

$734

One-way from

$345

Popular in

January

Cheapest in

August

Average price

$973

Good round-trip deal

$1,027 or less

Good one-way deal

$762 or less
Scoot
  • Scoot
  • 16/10-20/10
  • 2 total stops
  • 53h 50m total
  • Hong Kong to Sydney
15/11
  • 15/11
  • 2 total stops
  • 38h 35m total
  • Hong Kong to Sydney
Highest demand for flights based on searches. 19% potential increase in price ($474 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($87 potential savings vs. average return price).
Average for round-trip flights in August 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.

Find flight deals from Hong Kong to Sydney

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 29 agosto 2025.

mar 16/1216:30HKG - SYD
1 stop17h 35mMultiple Airlines
dom 11/121:50SYD - HKG
1 stop16h 25mMultiple Airlines
Deal found 28/8$731
gio 16/1009:25HKG - SYD
1 stop22h 20mMultiple Airlines
lun 20/1013:50SYD - HKG
1 stop31h 30mMultiple Airlines
Deal found 27/8$734
dom 2/1122:25HKG - SYD
Nonstop9h 30mHong Kong Airlines
mer 12/1112:35SYD - HKG
Nonstop9h 50mHong Kong Airlines
Deal found 28/8$736
gio 28/820:40HKG - SYD
1 stop31h 35mMultiple Airlines
mer 10/912:50SYD - HKG
1 stop31h 30mMultiple Airlines
Deal found 27/8$737
gio 4/922:35HKG - SYD
2 stops43h 25mMultiple Airlines
mar 14/1021:25SYD - HKG
1 stop24h 00mMultiple Airlines
Deal found 28/8$739
sab 1/1112:00HKG - SYD
1 stop18h 15mMultiple Airlines
gio 20/1111:40SYD - HKG
1 stop16h 15mMultiple Airlines
Deal found 28/8$740
gio 28/820:40HKG - SYD
1 stop31h 35mMultiple Airlines
gio 11/912:50SYD - HKG
1 stop31h 30mMultiple Airlines
Deal found 27/8$742
sab 25/1016:25HKG - SYD
1 stop17h 40mScoot
dom 2/1114:20SYD - HKG
1 stop28h 10mScoot
Deal found 27/8$743
lun 3/1118:15HKG - SYD
1 stop23h 20mMultiple Airlines
gio 20/1114:20SYD - HKG
1 stop32h 40mMultiple Airlines
Deal found 28/8$745
dom 7/920:25HKG - SYD
1 stop12h 50mMultiple Airlines
lun 15/910:15SYD - HKG
2 stops16h 10mMultiple Airlines
Deal found 27/8$748
gio 13/1112:00HKG - SYD
1 stop18h 15mMultiple Airlines
gio 27/1121:00SYD - HKG
1 stop15h 10mMultiple Airlines
Deal found 27/8$750

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 29 agosto 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

Depart

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

gio 16/10

09:25-10:45

1 stop22h 20m

Sydney Kingsford Smith

lun 20/10

13:50-18:20

1 stop31h 30m

$734

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

mar 11/11

22:25-10:55

Nonstop9h 30m

Sydney Kingsford Smith

lun 24/11

12:35-19:25

Nonstop9h 50m

$736

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

ven 7/11

20:35-18:50

2 stops19h 15m

Sydney Kingsford Smith

ven 14/11

10:45-04:35

2 stops20h 50m

$737

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

gio 6/11

12:00-09:15

1 stop18h 15m

Sydney Kingsford Smith

sab 22/11

11:40-00:55

1 stop16h 15m

$740

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

sab 25/10

16:25-13:05

1 stop17h 40m

Sydney Kingsford Smith

dom 2/11

14:20-15:30

1 stop28h 10m

$743

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

lun 3/11

18:15-20:35

1 stop23h 20m

Sydney Kingsford Smith

gio 20/11

14:20-20:00

1 stop32h 40m

$745

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

dom 7/9

20:25-11:15

1 stop12h 50m

Sydney Kingsford Smith

lun 15/9

10:15-00:25

2 stops16h 10m

$748

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

mer 15/10

19:15-12:35

1 stop14h 20m

Sydney Kingsford Smith

mer 22/10

21:25-18:20

1 stop23h 55m

$751

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

sab 15/11

07:25-18:50

3 stops32h 25m

Sydney Kingsford Smith

gio 15/1

21:50-23:05

2 stops28h 15m

$756

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

gio 11/9

19:20-11:35

1 stop14h 15m

Sydney Kingsford Smith

mer 29/10

12:35-19:25

Nonstop9h 50m

$763

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 21 results
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?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Sydney. Price data was last updated on 22 August 2025.

To ensure you get the cheapest price possible for a flight from Hong Kong to Sydney, you should look to book at least 80 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, May is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $129). Flying from Hong Kong to Sydney in October is currently the most expensive (average of $171). 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 29 agosto 2025.

One of the essential ways to save on airfare from Hong Kong to Sydney is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 40% on airfare.

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 29 agosto 2025.
Read through reviews of airlines operating flights from Hong Kong to Sydney, such as Cathay Pacific, Qantas Airways, andScoot. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Overall

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Crew

8.1

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Overall

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Crew

8.1

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Overall

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Crew

8.1

Boarding

7.9

Entertainment

7.8

Comfort

7.6

Overall

7.6

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

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 00m for a nonstop flight. You can also purchase a plane ticket from 4 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. Hong Kong Airlines provides one of the quickest options available for as low as $736. 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?

    Scoot, at $546, was found to be the cheapest airline from Hong Kong to Sydney.Alternate airlines to your destination round-trip include Hong Kong Airlines and Qantas Airways. Users have found that Scoot is 56% cheaper than the other options available to this destination.

  • 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 MIAT Mongolian(54%), Finnair(49%) or British Airways(49%), 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 $476. On average you can expect to pay $1,121. The most popular route, (Hong Kong Intl - Sydney Kingsford Smith), can usually be booked for $576.

  • 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, May is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $129). Flying from Hong Kong to Sydney in October is currently the most expensive (average of $171). 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
Katoomba
Penrith
Coogee
Terrigal
Cronulla
Manly
Lithgow
Randwick
Bondi Beach
Leura

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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 29 agosto 2025.

Top 4 airlines flying from Hong Kong to Sydney

Discover the top 4 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 29 agosto 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$546Average$692FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Hong Kong AirlinesCheapest$674Average$769FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Qantas AirwaysCheapest$871Average$1,200FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$892Average$1,377FlexibilityNo 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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