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Cheap flights from Hong Kong to Sydney from HK$1,703

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
15 oct. — 22 oct.1
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 Tuesday or Monday and return on a Sunday

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 15 septiembre 2025.

Round-trip from

HK$3,694

One-way from

HK$1,703

Popular in

January

Cheapest in

August

Average price

HK$5,514

Good round-trip deal

HK$4,874 or less

Good one-way deal

HK$4,147 or less
15-10-22-10
  • 15-10-22-10
  • 4 total stops
  • 44h 40m total
  • Hong Kong to Sydney
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10-12
  • 10-12
  • 2 total stops
  • 37h 00m total
  • Hong Kong to Sydney
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Highest demand for flights based on searches. 20% potential increase in price (HK$12,537 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (HK$2,295 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 15 septiembre 2025.

mié. 15-1018:15HKG - SYD
2 stops23h 45mMultiple Airlines
mié. 22-1010:15SYD - HKG
2 stops20h 55mMultiple Airlines
Deal found 15-9HK$3,694
lun. 15-907:45HKG - SYD
2 stops21h 35mMultiple Airlines
mié. 1-1011:15SYD - HKG
1 stop14h 20mMultiple Airlines
Deal found 14-9HK$3,702
lun. 13-1011:00HKG - SYD
2 stops31h 00mMultiple Airlines
lun. 20-1012:15SYD - HKG
1 stop14h 20mMultiple Airlines
Deal found 13-9HK$3,718
mié. 24-907:45HKG - SYD
1 stop20h 25mMultiple Airlines
dom. 12-1021:25SYD - HKG
2 stops24h 25mMultiple Airlines
Deal found 12-9HK$3,733
jue. 18-920:35HKG - SYD
1 stop32h 45mMultiple Airlines
mié. 1-1011:20SYD - HKG
Nonstop9h 50mMultiple Airlines
Deal found 15-9HK$3,741
vie. 14-1121:00HKG - SYD
1 stop13h 05mScoot
mié. 19-1120:05SYD - HKG
1 stop22h 25mScoot
Deal found 15-9HK$3,749
dom. 26-1022:25HKG - SYD
Nonstop9h 30mHong Kong Airlines
vie. 7-1112:35SYD - HKG
Nonstop9h 50mHong Kong Airlines
Deal found 12-9HK$3,757
mié. 29-1016:30HKG - SYD
1 stop17h 35mMultiple Airlines
sáb. 1-1121:00SYD - HKG
1 stop15h 10mMultiple Airlines
Deal found 14-9HK$3,764
lun. 15-914:35HKG - SYD
2 stops39h 25mChina Eastern
mié. 1-1011:00SYD - HKG
2 stops25h 30mChina Eastern
Deal found 13-9HK$3,772

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 70,647 searches. Data last updated 15 septiembre 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

Departure

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

mié. 15-10

18:30-21:00

1 stop23h 30m

Sydney Kingsford Smith

mié. 22-10

10:15-11:15

1 stop28h 00m

HK$4,029

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

lun. 3-11

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

vie. 7-11

11:15-17:50

Nonstop9h 35m

HK$4,566

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

vie. 14-11

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

mié. 19-11

11:15-17:50

Nonstop9h 35m

HK$4,566

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

mié. 17-12

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

lun. 2-2

11:15-17:50

Nonstop9h 35m

HK$4,573

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

mié. 29-10

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

mié. 5-11

11:15-17:50

Nonstop9h 35m

HK$4,573

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

lun. 27-10

21:20-09:35

Nonstop9h 15m

Sydney Kingsford Smith

sáb. 1-11

08:45-15:10

Nonstop9h 25m

HK$4,814

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

jue. 16-10

19:30-07:45

Nonstop9h 15m

Sydney Kingsford Smith

jue. 30-10

11:15-17:50

Nonstop9h 35m

HK$5,110

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

vie. 14-11

19:30-11:25

1 stop12h 55m

Sydney Kingsford Smith

mar. 18-11

11:15-17:50

Nonstop9h 35m

HK$5,157

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

mié. 29-10

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

mar. 4-11

07:15-17:35

1 stop13h 20m

HK$5,227

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

mar. 10-3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

lun. 23-3

07:25-17:35

1 stop13h 10m

HK$5,234

Flights are sorted by cheapest return flights first.

Deals found on 12-9

Showing 1-10 of 24 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.

The best time to book flights from Hong Kong to Sydney is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Hong Kong to Sydney?

Currently, August is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of HK$535). Flying from Hong Kong to Sydney in January is currently the most expensive (average of HK$987). 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 15 septiembre 2025.

When flying from Hong Kong to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 23% versus a flight in the morning.

What is the cheapest day to fly from Hong Kong to Sydney?

Use this chart to determine the cheapest time to fly return from Hong Kong to Sydney. Price data was last updated on 14 September 2025.

Travellers seeking maximum savings on their Hong Kong to Sydney flight should consider departing on Saturday at midday when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 septiembre 2025.
See what other customers who have flown with Singapore Airlines, Cathay Pacific, andQantas Airways from Hong Kong to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,365 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Cathay Pacific
7.6
Good
993 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Qantas Airways
7.5
Good
905 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Scoot
6.7
Okay
308 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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?

    You will need to book a flight from Hong Kong Intl to Sydney Kingsford Smith if you want to fly from Hong Kong to Sydney. At least 9 different airlines have flights from Hong Kong Intl (HKG) to Kingsford Smith (SYD) on a regular basis. There are 24 flights to Sydney from the Hong Kong airport per day. If you manage to book one that is nonstop, then you can expect the flight time from HKG to SYD to be around 9h 00m.

  • How popular is this Hong Kong to Sydney flight route?

    This flight path from Hong Kong Intl to Sydney Kingsford Smith was viewed by 1,278 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from Hong Kong to Sydney can take about 9h 30m. Qantas Airways provides one of the quickest options available for as low as HK$4,566. There are 7387 km between Hong Kong and Sydney. All flights are typically direct.

  • What are the cheapest airlines flying from Hong Kong to Sydney round-trip?

    China Eastern, at HK$1,754, was found to be the cheapest airline from Hong Kong to Sydney.Alternate airlines to your destination round-trip include Scoot and Sichuan Airlines. You may be able to fly from Hong Kong to Sydney for 72% less than the average price by searching for these airlines.

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

    The top 3 most reliable airlines when flying from Hong Kong to Sydney are MIAT Mongolian (51%), Finnair (48%) and British Airways (48%).

  • What are the cheapest flights from Hong Kong to Sydney?

    On average you can expect to pay HK$14,476 for a flight from Hong Kong to Sydney. The cheapest flight overall is HK$2,354 while the most popular route, (Hong Kong Intl - Sydney Kingsford Smith) is currently priced at HK$2,800.

  • 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, August is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of HK$535). Flying from Hong Kong to Sydney in January is currently the most expensive (average of HK$987). 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
Bondi Beach
Penrith

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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 15 septiembre 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 9 airlines flying from Hong Kong to Sydney

Discover the top 9 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 70,647 searches. Data last updated 15 septiembre 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapestHK$1,754AverageHK$3,980FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
ScootCheapestHK$2,653AverageHK$3,496FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Sichuan AirlinesCheapestHK$2,851AverageHK$3,063FlexibilityNo cancel feeOn-time63%
Search Sichuan Airlines flights
Hainan AirlinesCheapestHK$3,265AverageHK$4,067FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Hong Kong AirlinesCheapestHK$3,377AverageHK$4,506FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Singapore AirlinesCheapestHK$3,657AverageHK$4,776FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapestHK$4,289AverageHK$6,015FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapestHK$4,628AverageHK$6,610FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Philippine AirlinesCheapestHK$4,979AverageHK$7,812FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Hong Kong today with Cheapflights!

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?

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, 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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