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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
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Hong Kong 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

Keep the following information in mind while searching for Hong Kong to Sydney flight deals. Data was last updated 16 September 2025.

Round-trip from

$712

One-way from

$328

Popular in

January

Cheapest in

August

Average price

$1,062

Good round-trip deal

$848 or less

Good one-way deal

$553 or less
15/10-22/10
  • 15/10-22/10
  • 4 total stops
  • 44h 40m total
  • Hong Kong to Sydney
Search Deals
VietJet Air
  • VietJet Air
  • 9/11
  • 1 total stop
  • 33h 15m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($463 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($86 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Hong Kong to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Hong Kong 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 16 September 2025.

Wed 15/1018:15HKG - SYD
2 stops23h 45mMultiple Airlines
Wed 22/1010:15SYD - HKG
2 stops20h 55mMultiple Airlines
Deal found 15/9$712
Thu 18/920:35HKG - SYD
1 stop32h 45mMultiple Airlines
Wed 1/1011:20SYD - HKG
Nonstop9h 50mMultiple Airlines
Deal found 15/9$721
Fri 14/1121:00HKG - SYD
1 stop13h 05mScoot
Wed 19/1120:05SYD - HKG
1 stop22h 25mScoot
Deal found 15/9$722
Thu 30/1012:00HKG - SYD
1 stop18h 15mMultiple Airlines
Thu 6/1120:05SYD - HKG
3 stops30h 00mMultiple Airlines
Deal found 15/9$724
Sun 26/1022:25HKG - SYD
Nonstop9h 30mHong Kong Airlines
Fri 7/1112:35SYD - HKG
Nonstop9h 50mHong Kong Airlines
Deal found 14/9$725
Tue 21/1011:55HKG - SYD
1 stop17h 55mMultiple Airlines
Sun 26/1010:15SYD - HKG
3 stops29h 45mMultiple Airlines
Deal found 15/9$727
Wed 17/919:50HKG - SYD
1 stop33h 30mVietJet Air
Wed 24/910:15SYD - HKG
1 stop35h 20mVietJet Air
Deal found 16/9$730
Wed 15/1018:30HKG - SYD
1 stop23h 30mMultiple Airlines
Sat 18/1012:15SYD - HKG
1 stop14h 20mMultiple Airlines
Deal found 15/9$731
Mon 27/1018:15HKG - SYD
1 stop23h 20mMultiple Airlines
Thu 30/1016:25SYD - HKG
2 stops23h 35mMultiple Airlines
Deal found 14/9$733

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 16 September 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

Mon 27/10

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Thu 30/10

11:15-17:50

Nonstop9h 35m

$835

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 17/12

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Mon 2/2

11:15-17:50

Nonstop9h 35m

$881

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 26/10

21:20-09:35

Nonstop9h 15m

Sydney Kingsford Smith

Tue 4/11

11:05-17:30

Nonstop9h 25m

$930

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 31/10

08:45-20:50

Nonstop9h 05m

Sydney Kingsford Smith

Sun 9/11

08:45-15:05

Nonstop9h 20m

$930

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 27/12

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Sat 17/1

11:15-17:50

Nonstop9h 35m

$989

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 14/10

20:05-11:25

1 stop12h 20m

Sydney Kingsford Smith

Thu 30/10

11:15-17:50

Nonstop9h 35m

$992

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 29/10

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Tue 4/11

07:15-17:35

1 stop13h 20m

$1,007

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 10/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Mon 23/3

07:15-17:35

1 stop13h 20m

$1,008

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 2/3

11:15-09:50

1 stop19h 35m

Sydney Kingsford Smith

Wed 1/7

11:35-21:25

1 stop11h 50m

$1,046

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 23/12

14:30-13:15

1 stop19h 45m

Sydney Kingsford Smith

Wed 7/1

11:50-17:25

1 stop32h 35m

$1,104

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 22 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 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 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 16 September 2025.

It’s optimal to fly from Hong Kong to Sydney at midday. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.

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 16 September 2025.

The most flights from HK0 to SYD are scheduled on a Monday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

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 16 September 2025.
Check out reviews from past customers who have flown with Cathay Pacific, Qantas Airways, andScoot 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
993 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Overall

7.6

Boarding

7.9

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
993 reviews
Cathay Pacific
7.6
Good
993 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Overall

7.6

Boarding

7.9

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
993 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Overall

7.6

Boarding

7.9

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
993 reviews
Check prices

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Overall

7.6

Boarding

7.9

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 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 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 15m. Qantas Airways provides one of the quickest options available for as low as $930. 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?

    Consider MIAT Mongolian (54%), Finnair (51%) or British Airways (51%) 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 $893 for a flight from Hong Kong to Sydney. The cheapest flight overall is $458 while the most popular route, (Hong Kong Intl - Sydney Kingsford Smith) is currently priced at $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

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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 16 September 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$1,168FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$869Average$1,346FlexibilityNo 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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