Cheap flights from Hong Kong to Sydney from $484

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 23/3. 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

Discover deals from 900+ travel sites with momondo.

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.

Find the cheapest flights from Hong Kong to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:25 - 12:20
HKG
-
SYD
16h 55m
1 stop
Multiple Airlines Logo
11:15 - 04:05
SYD
-
HKG
18h 50m
1 stop
$807Multiple Airlines
Fri, 27 Feb - Mon, 15 Jun
China Eastern Logo
21:15 - 10:00
HKG
-
SYD
33h 45m
3 stops
China Eastern Logo
21:30 - 11:05
SYD
-
HKG
40h 35m
2 stops
$809China Eastern
Sat, 14 Mar - Fri, 20 Mar
Multiple Airlines Logo
23:05 - 09:15
HKG
-
SYD
31h 10m
2 stops
Multiple Airlines Logo
21:50 - 23:05
SYD
-
HKG
28h 15m
2 stops
$810Multiple Airlines
Wed, 18 Feb - Mon, 23 Feb
Multiple Airlines Logo
18:50 - 18:50
HKG
-
SYD
21h 00m
2 stops
Multiple Airlines Logo
11:15 - 23:30
SYD
-
HKG
14h 15m
1 stop
$812Multiple Airlines
Thu, 26 Feb - Thu, 14 May
Multiple Airlines Logo
18:15 - 18:50
HKG
-
SYD
45h 35m
3 stops
Multiple Airlines Logo
21:50 - 23:05
SYD
-
HKG
28h 15m
2 stops
$813Multiple Airlines
Thu, 26 Feb - Wed, 11 Mar
China Eastern Logo
21:15 - 08:40
HKG
-
SYD
32h 25m
2 stops
China Eastern Logo
11:00 - 20:15
SYD
-
HKG
35h 15m
3 stops
$815China Eastern
Tue, 31 Mar - Tue, 7 Apr
Multiple Airlines Logo
18:50 - 18:50
HKG
-
SYD
21h 00m
2 stops
Multiple Airlines Logo
11:15 - 23:30
SYD
-
HKG
14h 15m
1 stop
$816Multiple Airlines
Fri, 27 Feb - Fri, 19 Jun
Vietnam Airlines Logo
14:30 - 12:15
HKG
-
SYD
19h 45m
1 stop
Vietnam Airlines Logo
10:15 - 17:25
SYD
-
HKG
33h 10m
1 stop
$817Vietnam Airlines
Sun, 10 May - Fri, 22 May
Vietnam Airlines Logo
14:30 - 12:15
HKG
-
SYD
19h 45m
1 stop
Vietnam Airlines Logo
10:15 - 17:25
SYD
-
HKG
33h 10m
1 stop
$819Vietnam Airlines
Sun, 10 May - Mon, 1 Jun
China Eastern Logo
21:15 - 13:35
HKG
-
SYD
37h 20m
2 stops
China Eastern Logo
09:20 - 20:15
SYD
-
HKG
61h 55m
3 stops
$820China Eastern
Tue, 10 Mar - Tue, 17 Mar

Vietnam Airlines flights from Hong Kong to Sydney

Our best Vietnam Airlines deals on Hong Kong to Sydney flight tickets
Vietnam Airlines
10 May
HKG14:30Hong Kong Intl
19h 45m
1 stop
SYD12:15Sydney Kingsford Smith
21 May
SYD10:15Sydney Kingsford Smith
33h 10m
1 stop
HKG17:25Hong Kong Intl
$817
Vietnam Airlines
10 May
HKG14:30Hong Kong Intl
19h 45m
1 stop
SYD12:15Sydney Kingsford Smith
1 June
SYD10:15Sydney Kingsford Smith
33h 10m
1 stop
HKG17:25Hong Kong Intl
$819
Vietnam Airlines
14 May
HKG14:30Hong Kong Intl
19h 45m
1 stop
SYD12:15Sydney Kingsford Smith
17 May
SYD10:15Sydney Kingsford Smith
33h 10m
1 stop
HKG17:25Hong Kong Intl
$857

Sichuan Airlines flights from Hong Kong to Sydney

Our best Sichuan Airlines deals on Hong Kong to Sydney flight tickets
Sichuan Airlines
11 May
HKG18:40Hong Kong Intl
17h 35m
1 stop
SYD14:15Sydney Kingsford Smith
20 May
SYD20:20Sydney Kingsford Smith
23h 05m
1 stop
HKG17:25Hong Kong Intl
$847
Sichuan Airlines
13 May
HKG18:40Hong Kong Intl
17h 35m
1 stop
SYD14:15Sydney Kingsford Smith
31 May
SYD20:20Sydney Kingsford Smith
23h 05m
1 stop
HKG17:25Hong Kong Intl
$848
Sichuan Airlines
27 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
$866

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 78,305 searches. Data last updated 24 January 2026.
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 27/2

16:25-12:20

1 stop16h 55m

Sydney Kingsford Smith

Mon 15/6

11:15-04:05

1 stop18h 50m

$807

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 14/3

21:15-10:00

3 stops33h 45m

Sydney Kingsford Smith

Fri 20/3

21:30-11:05

2 stops40h 35m

$809

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 18/2

23:05-09:15

2 stops31h 10m

Sydney Kingsford Smith

Mon 23/2

21:50-23:05

2 stops28h 15m

$810

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 26/2

18:50-18:50

2 stops21h 00m

Sydney Kingsford Smith

Thu 14/5

11:15-23:30

1 stop14h 15m

$812

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 26/2

18:15-18:50

3 stops45h 35m

Sydney Kingsford Smith

Wed 11/3

21:50-23:05

2 stops28h 15m

$813

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 31/3

21:15-08:40

2 stops32h 25m

Sydney Kingsford Smith

Tue 7/4

11:00-20:15

3 stops35h 15m

$815

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 27/2

18:50-18:50

2 stops21h 00m

Sydney Kingsford Smith

Fri 19/6

11:15-23:30

1 stop14h 15m

$816

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 10/5

14:30-12:15

1 stop19h 45m

Sydney Kingsford Smith

Fri 22/5

10:15-17:25

1 stop33h 10m

$817

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 10/5

14:30-12:15

1 stop19h 45m

Sydney Kingsford Smith

Mon 1/6

10:15-17:25

1 stop33h 10m

$819

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 10/3

21:15-13:35

2 stops37h 20m

Sydney Kingsford Smith

Tue 17/3

09:20-20:15

3 stops61h 55m

$820

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

What is the cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from Hong Kong, with most prices found around $905. If you aren’t able to travel to Sydney during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $921.

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

Our data shows that Saturday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,042. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $1,155.

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 $1,093. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,317 on average. Flights to Sydney from Hong Kong in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,122 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 $884 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 January 2026, prices for Hong Kong to Sydney flights are approximately 84% 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

$773

Fastest flight time

9h 10m

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 $773. The best return flight deal from Hong Kong to Sydney found on momondo in the last 72 hours is $945.
The fastest flight from Hong Kong to Sydney takes 9h 10m
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).
  • How far is Hong Kong Intl to Sydney Kingsford Smith by plane?

    The straight-line distance from Hong Kong Intl to Sydney Kingsford Smith is 7371.6 km. In terms of flight time, this usually takes a little over 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 updated daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted 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
Hong Kong AirlinesPriceFrom $628Free cancellationRating
6.0
27 reviews
Search Hong Kong Airlines flights
Qantas AirwaysPriceFrom $695Free cancellationRating
7.5
974 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $825Free cancellationRating
7.6
1,143 reviews
Search Cathay Pacific flights
  • Cathay Pacific Flights From Hong Kong to Sydney

    Cathay Pacific flight deals from Hong Kong to Sydney start from $825 round-trip. Over the 28 Cathay Pacific flights for this route in a normal week, average airfare is usually $1,152 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, 975 ratings). Qantas Airways flies from Hong Kong to Sydney around 6 times per week, with deals starting from $695 round-trip and rising to an average price of around $1,031.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Leura
Manly
Coogee
Bondi Beach
Cronulla
Randwick
Charlestown
Newport
Swansea

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Hong Kong to Sydney . Millions of users trust and use momondo every year so you are in good hands.

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?

If you are not ready to book a flight from Hong Kong to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they 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.
1 adult
Mon 23/2
Mon 2/3

Find better results for your trip to Australia