Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Hong Kong to Sydney from £248

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 20/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Hong Kong to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
19:25 - 07:55
HKG
-
SYD
9h 30mdirect
Qantas Airways Logo
11:15 - 17:50
SYD
-
HKG
9h 35mdirect
£425Qantas Airways
Fri, 26 Dec - Sun, 11 Jan
Vietnam Airlines Logo
14:30 - 13:15
HKG
-
SYD
19h 45m1 stop
Vietnam Airlines Logo
10:15 - 17:25
SYD
-
HKG
33h 10m1 stop
£441Vietnam Airlines
Sun, 29 Mar - Sun, 26 Apr
Cathay Pacific Logo
21:20 - 09:35
HKG
-
SYD
9h 15mdirect
Cathay Pacific Logo
11:05 - 17:30
SYD
-
HKG
9h 25mdirect
£447Cathay Pacific
Thu, 12 Mar - Sat, 14 Mar
Cathay Pacific Logo
19:05 - 07:15
HKG
-
SYD
9h 10mdirect
Cathay Pacific Logo
11:05 - 17:30
SYD
-
HKG
9h 25mdirect
£448Cathay Pacific
Sun, 22 Feb - Sun, 8 Mar
Qantas Airways Logo
19:25 - 07:55
HKG
-
SYD
9h 30mdirect
Qantas Airways Logo
10:10 - 17:55
SYD
-
HKG
9h 45mdirect
£452Qantas Airways
Wed, 25 Mar - Tue, 28 Apr
Qantas Airways Logo
19:25 - 07:55
HKG
-
SYD
9h 30mdirect
Qantas Airways Logo
10:10 - 17:55
SYD
-
HKG
9h 45mdirect
£457Qantas Airways
Wed, 25 Mar - Mon, 27 Apr
Vietnam Airlines Logo
14:30 - 13:15
HKG
-
SYD
19h 45m1 stop
Vietnam Airlines Logo
10:15 - 17:25
SYD
-
HKG
33h 10m1 stop
£461Vietnam Airlines
Sun, 29 Mar - Tue, 28 Apr
Singapore Airlines Logo
14:25 - 10:25
HKG
-
SYD
18h 00m1 stop
Singapore Airlines Logo
07:55 - 23:00
SYD
-
HKG
17h 05m1 stop
£467Singapore Airlines
Sat, 9 May - Sat, 23 May
Cathay Pacific Logo
21:20 - 09:35
HKG
-
SYD
9h 15mdirect
Cathay Pacific Logo
11:05 - 17:30
SYD
-
HKG
9h 25mdirect
£471Cathay Pacific
Thu, 12 Mar - Sat, 14 Mar
Singapore Airlines Logo
15:40 - 10:25
HKG
-
SYD
16h 45m1 stop
Singapore Airlines Logo
07:55 - 23:00
SYD
-
HKG
17h 05m1 stop
£477Singapore Airlines
Sat, 9 May - Sat, 23 May

Sichuan Airlines flights from Hong Kong to Sydney

Our best Sichuan Airlines deals on Hong Kong to Sydney flight tickets
Sichuan Airlines
6 Mar
HKG18:20Hong Kong Intl
17h 20m
1 stop
SYD14:40Sydney Kingsford Smith
17 Mar
SYD21:25Sydney Kingsford Smith
22h 55m
1 stop
HKG17:20Hong Kong Intl
£493
Find similar
Sichuan Airlines
24 Mar
HKG18:20Hong Kong Intl
17h 20m
1 stop
SYD14:40Sydney Kingsford Smith
7 Apr
SYD20:20Sydney Kingsford Smith
23h 05m
1 stop
HKG17:25Hong Kong Intl
£541
Find similar
Sichuan Airlines
28 Feb
HKG18:20Hong Kong Intl
17h 20m
1 stop
SYD14:40Sydney Kingsford Smith
17 Mar
SYD21:25Sydney Kingsford Smith
22h 55m
1 stop
HKG17:20Hong Kong Intl
£541
Find similar

Asiana Airlines flights from Hong Kong to Sydney

Our best Asiana Airlines deals on Hong Kong to Sydney flight tickets
Asiana Airlines
28 Feb
HKG00:40Hong Kong Intl
28h 40m
1 stop
SYD08:20Sydney Kingsford Smith
20 Mar
SYD10:20Sydney Kingsford Smith
28h 40m
1 stop
HKG12:00Hong Kong Intl
£598
Find similar
Asiana Airlines
28 Feb
HKG00:40Hong Kong Intl
28h 40m
1 stop
SYD08:20Sydney Kingsford Smith
19 Mar
SYD10:20Sydney Kingsford Smith
28h 40m
1 stop
HKG12:00Hong Kong Intl
£613
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 15 December 2025.
Use the filters below to find and compare flights from Hong Kong to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 26/12

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Sun 11/1

11:15-17:50

Nonstop9h 35m

£425

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 29/3

14:30-13:15

1 stop19h 45m

Sydney Kingsford Smith

Sun 26/4

10:15-17:25

1 stop33h 10m

£441

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 12/3

21:20-09:35

Nonstop9h 15m

Sydney Kingsford Smith

Sat 14/3

11:05-17:30

Nonstop9h 25m

£447

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 22/2

19:05-07:15

Nonstop9h 10m

Sydney Kingsford Smith

Sun 8/3

11:05-17:30

Nonstop9h 25m

£448

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 25/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Tue 28/4

10:10-17:55

Nonstop9h 45m

£452

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 25/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Mon 27/4

10:10-17:55

Nonstop9h 45m

£457

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 29/3

14:30-13:15

1 stop19h 45m

Sydney Kingsford Smith

Tue 28/4

10:15-17:25

1 stop33h 10m

£461

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 9/5

14:25-10:25

1 stop18h 00m

Sydney Kingsford Smith

Sat 23/5

07:55-23:00

1 stop17h 05m

£467

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 12/3

21:20-09:35

Nonstop9h 15m

Sydney Kingsford Smith

Sat 14/3

11:05-17:30

Nonstop9h 25m

£471

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 9/5

15:40-10:25

1 stop16h 45m

Sydney Kingsford Smith

Sat 23/5

07:55-23:00

1 stop17h 05m

£477

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 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 £468. 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 £473.

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 £463. 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 £687.

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 £556. 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 £680 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 £583 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 £449 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.

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

As of December 2025, prices for Hong Kong to Sydney flights are approximately 6% cheaper 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

£563

Fastest flight time

9h 05m

Direct flights

Every day

Airports in Sydney

1 airport
The best flight deal from Hong Kong to Sydney found on momondo in the last 72 hours is £563
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 in Sydney. From Hong Kong there are direct flights to 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 05m.

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom £422Free CancellationRating
7.5
946 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom £454Free CancellationRating
7.6
1,095 reviews
Search Cathay Pacific flights

  • Cathay Pacific Flights From Hong Kong to Sydney

    Cathay Pacific flight deals from Hong Kong to Sydney start from £454 round-trip. Over the 28 Cathay Pacific flights for this route in a normal week, average airfare is usually £561 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, 946 ratings). Qantas Airways flies from Hong Kong to Sydney around 7 times per week, with deals starting from £422 round-trip and rising to an average price of around £496.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Coogee
Randwick
Manly
Cronulla
Leura
Katoomba
Penrith
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
Wed 14/1
Wed 21/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia