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Cheap flights from Hong Kong to Sydney from $328

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
18 10월 — 25 10월1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Hong Kong Intl to Sydney Kingsford Smith are usually found in August or June, booked 38 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 18 9월 2025.

Round-trip from

$727

One-way from

$328

Popular in

January

Cheapest in

August

Average price

$1,063

Good round-trip deal

$848 or less

Good one-way deal

$554 or less
Hong Kong Airlines
  • Hong Kong Airlines
  • 26/10-7/11
  • Nonstop
  • 19h 20m total
  • Hong Kong to Sydney
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VietJet Air
  • VietJet Air
  • 9/11
  • 1 total stop
  • 33h 15m total
  • Hong Kong to Sydney
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Highest demand for flights based on searches. 20% potential increase in price ($464 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($86 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Hong Kong Intl to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Hong Kong Intl to Sydney Kingsford Smith.
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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 18 9월 2025.

일 21/919:50HKG - SYD
1 stop33h 30mVietJet Air
월 29/910:15SYD - HKG
1 stop35h 20mVietJet Air
Deal found 17/9$727
화 21/1011:55HKG - SYD
1 stop17h 55mMultiple Airlines
일 26/1020:05SYD - HKG
3 stops31h 20mMultiple Airlines
Deal found 16/9$728
수 17/919:50HKG - SYD
1 stop33h 30mVietJet Air
수 24/910:15SYD - HKG
1 stop35h 20mVietJet Air
Deal found 16/9$730
월 27/1018:15HKG - SYD
1 stop23h 20mMultiple Airlines
수 29/1012:35SYD - HKG
Nonstop9h 50mMultiple Airlines
Deal found 15/9$731
금 31/1012:00HKG - SYD
1 stop18h 15mMultiple Airlines
금 7/1112:35SYD - HKG
Nonstop9h 50mMultiple Airlines
Deal found 16/9$734
월 27/1007:25HKG - SYD
2 stops21h 40mMultiple Airlines
화 11/1121:50SYD - HKG
2 stops28h 15mMultiple Airlines
Deal found 16/9$736
토 1/1116:30HKG - SYD
1 stop23h 20mScoot
토 8/1114:20SYD - HKG
1 stop28h 10mScoot
Deal found 17/9$737
토 18/1020:35HKG - SYD
1 stop35h 35mMultiple Airlines
월 27/1011:15SYD - HKG
1 stop34h 15mMultiple Airlines
Deal found 16/9$740

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 18 9월 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

수 17/12

18:15-20:35

1 stop23h 20m

Sydney Kingsford Smith

월 2/2

21:50-17:30

1 stop22h 40m

$763

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

월 27/10

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

목 30/10

11:15-17:50

Nonstop9h 35m

$835

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

수 15/10

21:35-09:40

Nonstop9h 05m

Sydney Kingsford Smith

수 22/10

11:10-17:50

Nonstop9h 40m

$883

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

일 2/11

21:20-09:35

Nonstop9h 15m

Sydney Kingsford Smith

토 8/11

11:05-17:30

Nonstop9h 25m

$931

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

토 27/12

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

토 17/1

11:15-17:50

Nonstop9h 35m

$991

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

수 29/10

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

화 4/11

07:15-17:35

1 stop13h 20m

$1,007

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

금 21/11

19:30-13:55

1 stop15h 25m

Sydney Kingsford Smith

일 23/11

11:15-17:50

Nonstop9h 35m

$1,055

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

금 28/11

12:00-09:15

1 stop18h 15m

Sydney Kingsford Smith

일 7/12

10:45-11:15

1 stop27h 30m

$1,081

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

토 1/11

19:30-08:05

1 stop33h 35m

Sydney Kingsford Smith

토 8/11

11:15-15:40

2 stops55h 25m

$1,271

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

일 12/10

21:35-09:40

Nonstop9h 05m

Sydney Kingsford Smith

금 17/10

15:05-21:30

Nonstop9h 25m

$1,285

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 21 results
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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 12 September 2025.

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, 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 18 9월 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 42% on airfare.

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 18 9월 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.
Cathay Pacific
7.6
Good
998 reviews
Check prices

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

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 .
Cathay Pacific
7.6
Good
998 reviews
Cathay Pacific
7.6
Good
998 reviews
Check prices

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

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 .
Qantas Airways
7.5
Good
907 reviews
Cathay Pacific
7.6
Good
998 reviews
Check prices

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

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 .
Scoot
6.7
Okay
308 reviews
Cathay Pacific
7.6
Good
998 reviews
Check prices

Entertainment

7.8

Food

7.3

Comfort

7.6

Overall

7.6

Boarding

7.9

Crew

8.1

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?

    Flights from Hong Kong Intl to Sydney Kingsford Smith have been viewed 403 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. Qantas Airways provides one of the quickest options available for as low as $883. 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?

    Scoot, at $534, 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 55% 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(51%) or British Airways(51%), 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 $458. On average you can expect to pay $893. The most popular route, (Hong Kong Intl - Sydney Kingsford Smith), can usually be booked for $565.

  • 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
Manly
Terrigal
Lithgow
Randwick
Bondi Beach
Coogee
Cronulla
Leura

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 18 9월 2025.
Cathay Pacific flights from Hong Kong Intl to Sydney Kingsford Smith
Qantas Airways flights from Hong Kong Intl to Sydney Kingsford Smith
Scoot flights from Hong Kong Intl to Sydney Kingsford Smith

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 18 9월 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$534Average$676FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Hong Kong AirlinesCheapest$642Average$725FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Qantas AirwaysCheapest$826Average$1,169FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$869Average$1,347FlexibilityNo 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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