Cheap flights from Hong Kong to Sydney from $364

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 2/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:25 pm - 12:20 pm
HKG
-
SYD
16h 55m
1 stop
Multiple Airlines Logo
12:35 pm - 6:50 pm
SYD
-
HKG
9h 15mnonstop
$574Multiple Airlines
Sun, Mar 8 - Thu, Mar 12
Qantas Airways Logo
7:25 pm - 7:55 am
HKG
-
SYD
9h 30mnonstop
Qantas Airways Logo
7:25 am - 5:35 pm
SYD
-
HKG
13h 10m
1 stop
$575Qantas Airways
Sat, Mar 21 - Sat, Mar 28
Multiple Airlines Logo
4:25 pm - 12:20 pm
HKG
-
SYD
16h 55m
1 stop
Multiple Airlines Logo
9:00 pm - 9:10 am
SYD
-
HKG
15h 10m
1 stop
$576Multiple Airlines
Thu, Mar 5 - Sat, Mar 14
China Eastern Logo
9:15 pm - 6:30 am
HKG
-
SYD
30h 15m
2 stops
China Eastern Logo
1:30 pm - 11:50 am
SYD
-
HKG
25h 20m
2 stops
$578China Eastern
Mon, Feb 23 - Mon, Mar 2
Sichuan Airlines Logo
6:40 pm - 3:15 pm
HKG
-
SYD
17h 35m
1 stop
Sichuan Airlines Logo
8:20 pm - 5:25 pm
SYD
-
HKG
23h 05m
1 stop
$579Sichuan Airlines
Fri, Apr 3 - Sat, Apr 11
Multiple Airlines Logo
5:25 pm - 8:35 pm
HKG
-
SYD
24h 10m
3 stops
Multiple Airlines Logo
10:45 am - 10:55 am
SYD
-
HKG
27h 10m
2 stops
$581Multiple Airlines
Tue, Feb 10 - Sun, Feb 15
Hong Kong Airlines Logo
10:25 pm - 10:55 am
HKG
-
SYD
9h 30mnonstop
Hong Kong Airlines Logo
12:35 pm - 7:25 pm
SYD
-
HKG
9h 50mnonstop
$582Hong Kong Airlines
Sat, Mar 21 - Wed, Mar 25
Multiple Airlines Logo
4:25 pm - 12:20 pm
HKG
-
SYD
16h 55m
1 stop
Multiple Airlines Logo
12:35 pm - 7:25 pm
SYD
-
HKG
9h 50mnonstop
$583Multiple Airlines
Sun, Mar 8 - Sun, Mar 15
Vietnam Airlines Logo
2:30 pm - 12:15 pm
HKG
-
SYD
19h 45m
1 stop
Vietnam Airlines Logo
10:15 am - 5:25 pm
SYD
-
HKG
33h 10m
1 stop
$586Vietnam Airlines
Thu, May 14 - Sun, May 17
Vietnam Airlines Logo
2:30 pm - 12:15 pm
HKG
-
SYD
19h 45m
1 stop
Vietnam Airlines Logo
10:15 am - 5:25 pm
SYD
-
HKG
33h 10m
1 stop
$587Vietnam Airlines
Thu, May 14 - Sun, May 17

Vietnam Airlines flights from Hong Kong to Sydney

Our best Vietnam Airlines deals on Hong Kong to Sydney flight tickets
Vietnam Airlines
May 14
HKG2:30 pmHong Kong Intl
19h 45m
1 stop
SYD12:15 pmSydney Kingsford Smith
May 17
SYD10:15 amSydney Kingsford Smith
33h 10m
1 stop
HKG5:25 pmHong Kong Intl
$586
Vietnam Airlines
May 14
HKG2:30 pmHong Kong Intl
19h 45m
1 stop
SYD12:15 pmSydney Kingsford Smith
May 17
SYD10:15 amSydney Kingsford Smith
33h 10m
1 stop
HKG5:25 pmHong Kong Intl
$587

Qantas Airways flights from Hong Kong to Sydney

Our best Qantas Airways deals on Hong Kong to Sydney flight tickets
Qantas Airways
Mar 21
HKG7:25 pmHong Kong Intl
9h 30m
SYD7:55 amSydney Kingsford Smith
Mar 28
SYD7:25 amSydney Kingsford Smith
13h 10m
1 stop
HKG5:35 pmHong Kong Intl
$575
Qantas Airways
Mar 12
HKG7:25 pmHong Kong Intl
9h 30m
SYD7:55 amSydney Kingsford Smith
May 30
SYD10:10 amSydney Kingsford Smith
9h 45m
HKG5:55 pmHong Kong Intl
$601
Qantas Airways
Mar 16
HKG7:25 pmHong Kong Intl
9h 30m
SYD7:55 amSydney Kingsford Smith
Apr 20
SYD10:10 amSydney Kingsford Smith
9h 45m
HKG5:55 pmHong Kong Intl
$604

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 15, 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

Sun 3/8

4:25 pm-12:20 pm

1 stop16h 55m

Sydney Kingsford Smith

Thu 3/12

12:35 pm-6:50 pm

Nonstop9h 15m

$574

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 3/21

7:25 pm-7:55 am

Nonstop9h 30m

Sydney Kingsford Smith

Sat 3/28

7:25 am-5:35 pm

1 stop13h 10m

$575

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 3/5

4:25 pm-12:20 pm

1 stop16h 55m

Sydney Kingsford Smith

Sat 3/14

9:00 pm-9:10 am

1 stop15h 10m

$576

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 2/23

9:15 pm-6:30 am

2 stops30h 15m

Sydney Kingsford Smith

Mon 3/2

1:30 pm-11:50 am

2 stops25h 20m

$578

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 4/3

6:40 pm-3:15 pm

1 stop17h 35m

Sydney Kingsford Smith

Sat 4/11

8:20 pm-5:25 pm

1 stop23h 05m

$579

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 2/10

5:25 pm-8:35 pm

3 stops24h 10m

Sydney Kingsford Smith

Sun 2/15

10:45 am-10:55 am

2 stops27h 10m

$581

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 3/21

10:25 pm-10:55 am

Nonstop9h 30m

Sydney Kingsford Smith

Wed 3/25

12:35 pm-7:25 pm

Nonstop9h 50m

$582

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 3/8

4:25 pm-12:20 pm

1 stop16h 55m

Sydney Kingsford Smith

Sun 3/15

12:35 pm-7:25 pm

Nonstop9h 50m

$583

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 5/14

2:30 pm-12:15 pm

1 stop19h 45m

Sydney Kingsford Smith

Sun 5/17

10:15 am-5:25 pm

1 stop33h 10m

$586

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 5/14

2:30 pm-12:15 pm

1 stop19h 45m

Sydney Kingsford Smith

Sun 5/17

10:15 am-5:25 pm

1 stop33h 10m

$587

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $623. If you are unable to visit Sydney during the month of August, then departing from Hong Kong during the month October is also very affordable. Most momondo users find prices during this month for around $632.

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

The cheapest day to depart from Hong Kong to Sydney is on a Thursday when prices can be found for as low as $595. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $910.

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 $739. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $779. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $773 when searching weeks out. 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 $604 on momondo.

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

There are 2 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?

You could potentially save up to 13% on your flight if you consider stops on a Hong Kong to Sydney flight.

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

As of January 2026, prices for Hong Kong to Sydney flights are approximately 82% 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 round-trip 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

$620

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 $620. The best round-trip flight deal from Hong Kong to Sydney found on momondo in the last 72 hours is $595.
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?

    Hong Kong Intl and Sydney Kingsford Smith are 4580.5 mi apart from one another. 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 were last updated today.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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 $416Free CancellationRating
6.0
27 reviews
Search Hong Kong Airlines flights
Qantas AirwaysPriceFrom $564Free CancellationRating
7.5
971 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $586Free CancellationRating
7.6
1,130 reviews
Search Cathay Pacific flights
  • Cathay Pacific Flights From Hong Kong to Sydney

    Cathay Pacific operates around 28 flights from Hong Kong to Sydney every week. The average price of these flights found in the last 72 hours has been $780, but momondo users have found Cathay Pacific deals from Hong Kong to Sydney from as low as $586 round-trip. Cathay Pacific has been scored 7.6/10 in 1,130 reviews.

  • Qantas Airways Flights From Hong Kong to Sydney

    Another popular option for Hong Kong to Sydney flights is Qantas Airways (7.5/10, 971 ratings). Qantas Airways flies from Hong Kong to Sydney around 6 times per week, with deals starting from $564 round-trip and rising to an average price of around $750.

Traveling to a place near Sydney?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Hong Kong to Sydney for you.

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

Yes. All flights to Sydney from Hong Kong on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Price alerts on flights to Sydney from Hong Kong are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Sat 2/14
Sat 2/21

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