What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Hong Kong to Sydney on average per week?

182 flights are operational weekly from Hong Kong to Sydney as of October 2025. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.

Which airline has the best punctuality record on Hong Kong to Sydney flights?

According to our data, Qatar Airways have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

What is the most punctual flight time for Hong Kong to Sydney flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Hong Kong Intl to Sydney Kingsford Smith?

VietJet Air, Hainan Airlines, and Hong Kong Airlines are the most popular carriers operating from Hong Kong Intl to Sydney Kingsford Smith

How often are flights from Hong Kong to Sydney delayed?

Historically, on average around 28% of flights between Hong Kong and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

How many flights depart from Hong Kong to Sydney on average per day?

The number of flights available between Hong Kong and Sydney is 26 per day as of October 2025. The most frequent departure time is 19:00, with 85% of daily flights leaving in the evening.

When did momondo last update prices for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?

Prices for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?

There are 2 operators available for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport as of October 2025.

How old do you have to be to fly from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£165 Cheap Flights from Hong Kong to Sydney in 2025/26

Q: What is the typical price of a round-trip flight between Hong Kong and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from £453 to £653. The lowest price recently found on this route was £361.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Hong Kong to Sydney

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

18:20 - 14:40HKG-SYD

17h 20m1 stop

10:45 - 11:15SYD-HKG

27h 30m1 stop

£361Multiple Airlines

Find Deal

Fri, 14 Nov - Sat, 22 Nov

18:15 - 20:35HKG-SYD

23h 20m1 stop

10:45 - 04:35SYD-HKG

20h 50m2 stops

£364Multiple Airlines

Find Deal

Sun, 9 Nov - Fri, 28 Nov

16:25 - 13:05HKG-SYD

17h 40m1 stop

10:45 - 04:35SYD-HKG

20h 50m2 stops

£375Multiple Airlines

Find Deal

Thu, 13 Nov - Fri, 28 Nov

22:25 - 10:55HKG-SYD

9h 30mdirect

12:35 - 19:25SYD-HKG

9h 50mdirect

£381Hong Kong Airlines

Find Deal

Sat, 14 Mar - Wed, 18 Mar

22:25 - 10:55HKG-SYD

9h 30mdirect

12:35 - 19:25SYD-HKG

9h 50mdirect

£382Hong Kong Airlines

Find Deal

Sat, 14 Mar - Wed, 18 Mar

20:55 - 15:20HKG-SYD

15h 25m1 stop

21:00 - 09:10SYD-HKG

15h 10m1 stop

£401Hainan Airlines

Find Deal

Sat, 27 Dec - Sat, 17 Jan

20:55 - 15:20HKG-SYD

15h 25m1 stop

21:00 - 09:10SYD-HKG

15h 10m1 stop

£404Hainan Airlines

Find Deal

Sat, 27 Dec - Sat, 17 Jan

19:25 - 07:55HKG-SYD

9h 30mdirect

11:15 - 17:50SYD-HKG

9h 35mdirect

£428Qantas Airways

Find Deal

Tue, 11 Nov - Tue, 25 Nov

19:25 - 07:55HKG-SYD

9h 30mdirect

11:15 - 17:50SYD-HKG

9h 35mdirect

£429Qantas Airways

Find Deal

Thu, 13 Nov - Thu, 20 Nov

19:05 - 07:15HKG-SYD

9h 10mdirect

11:05 - 17:30SYD-HKG

9h 25mdirect

£452Cathay Pacific

Find Deal

Tue, 17 Mar - Wed, 18 Mar

Hainan Airlines flights from Hong Kong to Sydney

Our best Hainan Airlines deals on Hong Kong to Sydney flight tickets

Hainan Airlines

27 Dec

HKG20:55Hong Kong Intl

15h 25m

1 stop

SYD15:20Sydney Kingsford Smith

17 Jan

SYD21:00Sydney Kingsford Smith

15h 10m

1 stop

HKG09:10Hong Kong Intl

£401

Find similar

Hainan Airlines

27 Dec

HKG20:55Hong Kong Intl

15h 25m

1 stop

SYD15:20Sydney Kingsford Smith

17 Jan

SYD21:00Sydney Kingsford Smith

15h 10m

1 stop

HKG09:10Hong Kong Intl

£404

Find similar

Hong Kong Airlines flights from Hong Kong to Sydney

Our best Hong Kong Airlines deals on Hong Kong to Sydney flight tickets

Hong Kong Airlines

14 Mar

HKG22:25Hong Kong Intl

9h 30m

SYD10:55Sydney Kingsford Smith

18 Mar

SYD12:35Sydney Kingsford Smith

9h 50m

HKG19:25Hong Kong Intl

£381

Find similar

Hong Kong Airlines

14 Mar

HKG22:25Hong Kong Intl

9h 30m

SYD10:55Sydney Kingsford Smith

18 Mar

SYD12:35Sydney Kingsford Smith

9h 50m

HKG19:25Hong Kong Intl

£382

Find similar

Hong Kong Airlines

14 Mar

HKG22:25Hong Kong Intl

9h 30m

SYD10:55Sydney Kingsford Smith

18 Mar

SYD12:35Sydney Kingsford Smith

9h 50m

HKG19:25Hong Kong Intl

£382

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 14/11

18:20-14:40

1 stop17h 20m

Sydney Kingsford Smith

Sat 22/11

10:45-11:15

1 stop27h 30m

£361

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 9/11

18:15-20:35

1 stop23h 20m

Sydney Kingsford Smith

Fri 28/11

10:45-04:35

2 stops20h 50m

£364

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 13/11

16:25-13:05

1 stop17h 40m

Sydney Kingsford Smith

Fri 28/11

10:45-04:35

2 stops20h 50m

£375

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

£381

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

£382

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 27/12

20:55-15:20

1 stop15h 25m

Sydney Kingsford Smith

Sat 17/1

21:00-09:10

1 stop15h 10m

£401

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 27/12

20:55-15:20

1 stop15h 25m

Sydney Kingsford Smith

Sat 17/1

21:00-09:10

1 stop15h 10m

£404

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 11/11

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Tue 25/11

11:15-17:50

Nonstop9h 35m

£428

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 13/11

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Thu 20/11

11:15-17:50

Nonstop9h 35m

£429

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 17/3

19:05-07:15

Nonstop9h 10m

Sydney Kingsford Smith

Wed 18/3

11:05-17:30

Nonstop9h 25m

£452

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Hong Kong to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the typical price of a round-trip flight between Hong Kong and Sydney?

What is the cheapest month to fly to Sydney?

In general, August is the cheapest month to fly from Hong Kong to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £475. If you don’t want to visit Sydney in August, then you should wait until October to fly from Hong Kong, when ticket prices are also cheap, with an average price of £506.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart on your flight to Sydney is on a Thursday when prices can be found for as low as £466. This is often the case because there is less demand to fly during this day of the week. On the other hand, Saturday is the most expensive day to depart from Hong Kong because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £697.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from Hong Kong to Sydney in the evening for as low as £563. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Sydney, so prices are often more expensive at around £704 per ticket.

What is the cheapest Hong Kong Intl to Sydney Kingsford Smith flight route?

Fly from Hong Kong Intl to Sydney Kingsford Smith for the best Hong Kong Intl - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £600 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Hong Kong for as low as £494 on momondo.

What cabin class options are available on Hong Kong Intl to Sydney Kingsford Smith flights?

There are 3 cabin classes available to choose from on Hong Kong Intl to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Hong Kong to Sydney flights?

No. A direct flight is the cheapest option for a flight between Hong Kong to Sydney.

How have Hong Kong to Sydney flight prices changed over time?

As of October 2025, prices for Hong Kong to Sydney flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Hong Kong to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Hong Kong to Sydney (HKG to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Sydney

Best price found	£255
Fastest flight time	9h 05m
Direct flights	Every day
Airports in Sydney	1 airport

The best one-way flight to Sydney from Hong Kong in the past 72 hours is £255. The best return flight deal from Hong Kong to Sydney found on momondo in the last 72 hours is £454.

The fastest flight from Hong Kong to Sydney takes 9h 05m

Direct flights go from Hong Kong to Sydney every day.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

Search flight deals

How far is Hong Kong Intl to Sydney Kingsford Smith by plane?
Hong Kong Intl and Sydney Kingsford Smith are 4580.5 mi apart from one another. A reasonable flight in good conditions will take 9h 10m.
When did momondo last update prices for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?
Prices for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?
There are 2 operators available for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport as of October 2025.
How old do you have to be to fly from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Hong Kong to Sydney?
momondo data reveals that the most frequently booked plane model on the route from Hong Kong to Sydney is Airbus A330-300, representing 39.95% of all bookings. The subsequent popular models are Airbus A350-900 at 27.12%, Boeing 777-300ER at 23.27%, and Airbus A330-200 at 5.94%.
What is the most popular airline from Hong Kong to Sydney?
momondo data reveals that the most frequently booked airline on the route from Hong Kong to Sydney is Cathay Pacific, representing 69% of all bookings. The subsequent popular airline is Qantas Airways at 31%.

Best airlines flying from Hong Kong to Sydney

Compare and see reviews for airlines that fly from Hong Kong to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom £437	Free Cancellation	Rating 7.5 925 reviews		Search Qantas Airways flights
Cathay Pacific	PriceFrom £461	Free Cancellation	Rating 7.6 1,044 reviews		Search Cathay Pacific flights

Cathay Pacific Flights From Hong Kong to Sydney
Cathay Pacific flight deals from Hong Kong to Sydney start from £461 round-trip. Over the 27 Cathay Pacific flights for this route in a normal week, average airfare is usually £570 round-trip - but some users have found much cheaper deals with momondo.
Qantas Airways Flights From Hong Kong to Sydney
Another popular option for Hong Kong to Sydney flights is Qantas Airways (7.5/10, 925 ratings). Qantas Airways flies from Hong Kong to Sydney around 7 times per week, with deals starting from £437 round-trip and rising to an average price of around £503.

Bondi Beach

Coogee

Wollongong

Manly

Randwick

Penrith

Cronulla

Leura

Katoomba

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to Sydney?

It is quick and easy to find Hong Kong to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from Hong Kong to Sydney with flexible booking policies on momondo?

All flight searches from Hong Kong to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Hong Kong to Sydney?

Once you have performed a search for Hong Kong to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Hong Kong to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Hong Kong to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 30/11

Sun 7/12

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Airports servicing New South Wales

Albury Airport

Ballina Byron Airport

Coffs Harbour Airport

Newcastle Williamtown Airport

Popular Cities in Australia

Flights to Melbournefrom £574

Flights to Perthfrom £549

Flights to Brisbanefrom £544

Flights to Adelaidefrom £660

Flights to Cairnsfrom £770

Flights to Hobartfrom £682

Flights to Darwinfrom £618

Flights to Canberrafrom £790

Flights to Coolangattafrom £725

Flights to Launceston, Tasmaniafrom £2,297

Flights to Townsvillefrom £872

Flights to Mackayfrom £1,339

Cheap flights from Hong Kong to Sydney from £165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Sydney departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Hong Kong to Sydney

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Hainan Airlines flights from Hong Kong to Sydney

Our best Hainan Airlines deals on Hong Kong to Sydney flight tickets

Hong Kong Airlines flights from Hong Kong to Sydney

Our best Hong Kong Airlines deals on Hong Kong to Sydney flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Hong Kong to Sydney that are best for you.

See travel insights to Sydney from

How to get the cheapest flight ticket from Hong Kong to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Hong Kong and Sydney?

What is the cheapest month to fly to Sydney?

What is the cheapest day to depart on your flight to Sydney?

What is the cheapest time of day to depart on your flight to Sydney?

What is the cheapest Hong Kong Intl to Sydney Kingsford Smith flight route?

Fly from Hong Kong Intl to Sydney Kingsford Smith for the best Hong Kong Intl - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

What cabin class options are available on Hong Kong Intl to Sydney Kingsford Smith flights?

There are 3 cabin classes available to choose from on Hong Kong Intl to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Hong Kong to Sydney flights?

No. A direct flight is the cheapest option for a flight between Hong Kong to Sydney.

How have Hong Kong to Sydney flight prices changed over time?

As of October 2025, prices for Hong Kong to Sydney flights are approximately 6% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Hong Kong Intl to Sydney Kingsford Smith?

VietJet Air, Hainan Airlines, and Hong Kong Airlines are the most popular carriers operating from Hong Kong Intl to Sydney Kingsford Smith

How often are flights from Hong Kong to Sydney delayed?

Historically, on average around 28% of flights between Hong Kong and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

What is the most punctual flight time for Hong Kong to Sydney flights?

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Hong Kong to Sydney flights?

According to our data, Qatar Airways have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

How many flights depart from Hong Kong to Sydney on average per day?

The number of flights available between Hong Kong and Sydney is 26 per day as of October 2025. The most frequent departure time is 19:00, with 85% of daily flights leaving in the evening.

How many flights depart from Hong Kong to Sydney on average per week?

182 flights are operational weekly from Hong Kong to Sydney as of October 2025. The most popular departure day for this route is Thu, with 15% of flights per week taking off on this day.

When to book flights from Hong Kong to Sydney

Cheap Hong Kong to Sydney (HKG to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Sydney

Best price found

Fastest flight time

Direct flights

Airports in Sydney

How far is Hong Kong Intl to Sydney Kingsford Smith by plane?

When did momondo last update prices for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?

How many operators does momondo search for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?

How old do you have to be to fly from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

What is the most popular plane model from Hong Kong to Sydney?

What is the most popular airline from Hong Kong to Sydney?

Best airlines flying from Hong Kong to Sydney

Compare and see reviews for airlines that fly from Hong Kong to Sydney with momondo

Cathay Pacific Flights From Hong Kong to Sydney

Qantas Airways Flights From Hong Kong to Sydney

Travelling to a place near Sydney?

Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to Sydney?

Can I find flights from Hong Kong to Sydney with flexible booking policies on momondo?

How can momondo help me find flights from Hong Kong to Sydney?

I’m not ready to book a flight from Hong Kong to Sydney right now. Can momondo alert me if prices change?

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia