Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Hong Kong to Sydney from HK$1,704

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 9-3. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
13 Oct — 20 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 80 days in advance, depart on a Tuesday or Monday and return on a Sunday

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 13 September 2025.

Round-trip from

HK$3,720

One-way from

HK$1,704

Popular in

January

Cheapest in

August

Average price

HK$5,829

Good round-trip deal

HK$4,877 or less

Good one-way deal

HK$4,149 or less
25-9-13-10
  • 25-9-13-10
  • 4 total stops
  • 51h 20m total
  • Hong Kong to Sydney
Search Deals
9-3
  • 9-3
  • 2 total stops
  • 32h 25m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (HK$12,288 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$2,217 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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

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 13 September 2025.

Thu 25-908:25HKG - SYD
2 stops20h 55mMultiple Airlines
Mon 13-1013:50SYD - HKG
2 stops30h 25mMultiple Airlines
Deal found 12-9HK$3,720
Mon 15-919:50HKG - SYD
1 stop33h 30mMultiple Airlines
Wed 1-1011:20SYD - HKG
Nonstop9h 50mMultiple Airlines
Deal found 11-9HK$3,735
Wed 15-1019:35HKG - SYD
1 stop14h 00mMultiple Airlines
Wed 22-1013:50SYD - HKG
2 stops30h 25mMultiple Airlines
Deal found 11-9HK$3,743
Mon 15-914:35HKG - SYD
2 stops39h 25mChina Eastern
Wed 1-1011:00SYD - HKG
2 stops25h 30mChina Eastern
Deal found 11-9HK$3,751
Sun 26-1022:25HKG - SYD
Nonstop9h 30mHong Kong Airlines
Fri 7-1112:35SYD - HKG
Nonstop9h 50mHong Kong Airlines
Deal found 10-9HK$3,759
Thu 25-907:45HKG - SYD
2 stops21h 35mMultiple Airlines
Thu 23-1013:50SYD - HKG
1 stop31h 30mMultiple Airlines
Deal found 10-9HK$3,766
Mon 3-1116:30HKG - SYD
1 stop17h 35mMultiple Airlines
Fri 14-1111:15SYD - HKG
3 stops28h 20mMultiple Airlines
Deal found 10-9HK$3,790

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 13 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

Departure

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 26-10

22:25-10:55

Nonstop9h 30m

Sydney Kingsford Smith

Fri 7-11

12:35-19:25

Nonstop9h 50m

HK$3,759

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 24-9

19:20-11:35

1 stop14h 15m

Sydney Kingsford Smith

Sun 12-10

21:25-00:25

3 stops30h 00m

HK$3,860

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 26-10

22:25-10:55

Nonstop9h 30m

Sydney Kingsford Smith

Fri 7-11

10:45-11:15

1 stop27h 30m

HK$4,148

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 15-10

19:30-07:45

Nonstop9h 15m

Sydney Kingsford Smith

Wed 22-10

11:20-18:00

Nonstop9h 40m

HK$4,568

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 27-9

07:55-07:50

2 stops21h 55m

Sydney Kingsford Smith

Sun 19-10

13:50-18:20

1 stop31h 30m

HK$4,763

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 6-10

09:25-10:45

1 stop22h 20m

Sydney Kingsford Smith

Mon 20-10

11:15-12:40

2 stops28h 25m

HK$4,840

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 27-10

01:40-18:50

1 stop14h 10m

Sydney Kingsford Smith

Tue 4-11

20:05-11:55

1 stop18h 50m

HK$4,942

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 26-9

18:30-20:00

1 stop23h 30m

Sydney Kingsford Smith

Sat 11-10

22:15-11:15

1 stop16h 00m

HK$5,058

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 8-3

20:35-18:50

2 stops19h 15m

HK$1,821

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 15-10

19:35-12:35

1 stop14h 00m

HK$1,829

Flights are sorted by cheapest return flights first.

Deals found on 12-9

Showing 1-10 of 20 results
1
2

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 29 August 2025.

The best time to book flights from Hong Kong to Sydney is 80 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 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 13 September 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 24% 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 7 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.

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 13 September 2025.

The most flights from HK0 to SYD are scheduled on a Wednesday (28 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 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 13 September 2025.
Read reviews from past customers who have flown with Singapore Airlines, Cathay Pacific, andQantas Airways from Hong Kong to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Food

7.7

Boarding

8.2

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

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Food

7.7

Boarding

8.2

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

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Food

7.7

Boarding

8.2

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

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Food

7.7

Boarding

8.2

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

Overall

8.1

Entertainment

8.0

Crew

8.6

Comfort

8.0

Food

7.7

Boarding

8.2

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 airport do you fly into for flights to Sydney from Hong Kong?

    If you book a flight to Sydney from Hong Kong, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney.

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

    This flight path from Hong Kong 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 15m. Hong Kong Airlines provides one of the quickest options available for as low as HK$4,568. 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$1,755, 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?

    Before booking your flight to Sydney from Hong Kong, have a look at the most reliable airlines to get you to your destination on time: MIAT Mongolian (51%), Finnair (48%), British Airways( 48%).

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

    Looking for the cheapest flight from Hong Kong to Sydney? While on average our users pay HK$14,484, our data indicates the cheapest price to be HK$2,356. The most popular route (Hong Kong Intl - Sydney Kingsford Smith), is priced around HK$2,669.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hong Kong to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Sydney flights
Hong Kong to Coolangatta flights

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 13 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapestHK$1,755AverageHK$3,982FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
ScootCheapestHK$2,654AverageHK$3,498FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Sichuan AirlinesCheapestHK$2,853AverageHK$3,065FlexibilityNo cancel feeOn-time63%
Search Sichuan Airlines flights
Hainan AirlinesCheapestHK$3,267AverageHK$4,069FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Hong Kong AirlinesCheapestHK$3,379AverageHK$4,509FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Singapore AirlinesCheapestHK$3,659AverageHK$4,779FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapestHK$4,291AverageHK$6,018FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapestHK$4,631AverageHK$6,613FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Philippine AirlinesCheapestHK$4,981AverageHK$7,816FlexibilityNo 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?

Cheapflights helps you search for flights from Hong Kong to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Hong Kong to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Hong Kong to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Hong Kong to Sydney become cheaper?

Of course! You can now track prices for flights from Hong Kong to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.