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Cheap flights from Hong Kong to Sydney from $339

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

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

Find 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 18 November 2025.

Sun 28/1210:15HKG - SYD
1 stop26h 05mHainan Airlines
Tue 13/121:00SYD - HKG
1 stop25h 50mHainan Airlines
Deal found 17/11$708
Tue 2/1222:25HKG - SYD
Nonstop9h 30mHong Kong Airlines
Sun 1/212:35SYD - HKG
Nonstop9h 50mHong Kong Airlines
Deal found 17/11$734
Sun 28/1220:55HKG - SYD
1 stop15h 25mMultiple Airlines
Tue 13/121:25SYD - HKG
1 stop22h 55mMultiple Airlines
Deal found 16/11$748
Thu 25/1216:10HKG - SYD
1 stop20h 10mMultiple Airlines
Sun 11/121:25SYD - HKG
1 stop22h 55mMultiple Airlines
Deal found 16/11$749
Tue 18/1118:15HKG - SYD
1 stop23h 20mMultiple Airlines
Tue 25/1111:15SYD - HKG
1 stop34h 35mMultiple Airlines
Deal found 16/11$768
Fri 12/1207:40HKG - SYD
2 stops21h 25mMultiple Airlines
Sat 31/113:35SYD - HKG
2 stops25h 45mMultiple Airlines
Deal found 17/11$783

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 18 November 2025.

Round-trip from

$700

One-way from

$339

Popular in

January

Cheapest in

August

Average price

$1,041

Good round-trip deal

$750 or less

Good one-way deal

$594 or less
Scoot
  • Scoot
  • 5/5-18/5
  • 2 total stops
  • 45h 45m total
  • Hong Kong to Sydney
Search Deals
VietJet Air
  • VietJet Air
  • 10/12
  • 1 total stop
  • 33h 15m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($534 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($97 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 18 November 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

Sat 14/3

22:25-10:55

Nonstop9h 30m

Sydney Kingsford Smith

Wed 18/3

12:35-19:25

Nonstop9h 50m

$746

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 12/3

22:25-10:55

Nonstop9h 30m

Sydney Kingsford Smith

Mon 16/3

12:35-19:25

Nonstop9h 50m

$772

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 2/12

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Thu 5/2

11:15-17:50

Nonstop9h 35m

$867

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 16/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Mon 20/4

10:10-17:55

Nonstop9h 45m

$867

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 28/12

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Tue 13/1

11:15-17:50

Nonstop9h 35m

$867

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 17/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Tue 24/3

11:15-17:50

Nonstop9h 35m

$869

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 14/3

19:30-08:05

1 stop33h 35m

Sydney Kingsford Smith

Wed 18/3

11:15-18:30

1 stop34h 15m

$947

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 4/5

12:25-05:55

1 stop15h 30m

Sydney Kingsford Smith

Mon 18/5

18:05-11:20

1 stop19h 15m

$955

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 24/12

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Sun 11/1

11:15-17:50

Nonstop9h 35m

$1,032

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 10/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Mon 23/3

07:45-17:35

1 stop12h 50m

$1,052

Flights are sorted by cheapest return flights first.

Deals found on 17/11

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 14 November 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, March is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $629). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $1,153). 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 18 November 2025.

It’s optimal to fly from Hong Kong to Sydney at midday. By choosing this option you can save up to 33% 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 18 November 2025.

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

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 35% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 117 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

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

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 November 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
1,060 reviews
Check prices

Entertainment

7.8

Food

7.3

Boarding

7.9

Comfort

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Cathay Pacific
7.6
Good
1,060 reviews
Cathay Pacific
7.6
Good
1,060 reviews
Check prices

Entertainment

7.8

Food

7.3

Boarding

7.9

Comfort

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Qantas Airways
7.6
Good
938 reviews
Cathay Pacific
7.6
Good
1,060 reviews
Check prices

Entertainment

7.8

Food

7.3

Boarding

7.9

Comfort

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Scoot
6.7
Okay
310 reviews
Cathay Pacific
7.6
Good
1,060 reviews
Check prices

Entertainment

7.8

Food

7.3

Boarding

7.9

Comfort

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

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 386 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 30m. Hong Kong Airlines provides one of the quickest options available for as low as $746. 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 $547, 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 54% 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 VietJet Air. According to our data, you can fly for as low as $342. Users have also found prices from $352 and $393 on Sichuan Airlines and Scoot, respectively.

  • What are the most reliable airlines from Hong Kong to Sydney?

    Consider Turkish Airlines (100%), Hong Kong Airlines (80%) or Lufthansa (78%) 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 $1,560 for a flight from Hong Kong to Sydney. The cheapest flight overall is $486 while the most popular route, (Hong Kong Intl - Sydney Kingsford Smith) is currently priced at $631.

  • 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 $629). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $1,153). 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
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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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 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$547Average$693FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Hong Kong AirlinesCheapest$657Average$771FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Qantas AirwaysCheapest$773Average$1,183FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$872Average$1,337FlexibilityNo 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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