Cheap flights from Hong Kong to Sydney from $335

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 3/9. 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.
China Eastern Logo
12:40 pm - 1:35 pm
HKG
-
SYD
21h 55m
2 stops
China Eastern Logo
11:00 am - 7:10 pm
SYD
-
HKG
34h 10m
2 stops
$550China Eastern
Fri, Mar 6 - Sat, Apr 25
Multiple Airlines Logo
6:30 pm - 7:35 pm
HKG
-
SYD
23h 05m
1 stop
Multiple Airlines Logo
8:50 pm - 5:55 pm
SYD
-
HKG
23h 05m
1 stop
$551Multiple Airlines
Tue, Apr 28 - Tue, May 12
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
$552Vietnam Airlines
Tue, May 26 - Tue, Jun 9
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
$553Vietnam Airlines
Thu, May 21 - Tue, May 26
Multiple Airlines Logo
4:25 pm - 12:20 pm
HKG
-
SYD
16h 55m
1 stop
Multiple Airlines Logo
11:30 am - 7:10 pm
SYD
-
HKG
9h 40mnonstop
$554Multiple Airlines
Sun, Mar 1 - Sun, Apr 19
Qantas Airways Logo
7:30 pm - 6:45 am
HKG
-
SYD
9h 15mnonstop
Qantas Airways Logo
10:10 am - 5:55 pm
SYD
-
HKG
9h 45mnonstop
$556Qantas Airways
Fri, May 8 - Wed, May 13
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
$557Multiple Airlines
Sun, Mar 1 - Tue, Mar 17
Qantas Airways Logo
7:30 pm - 6:45 am
HKG
-
SYD
9h 15mnonstop
Qantas Airways Logo
10:10 am - 5:55 pm
SYD
-
HKG
9h 45mnonstop
$558Qantas Airways
Mon, May 4 - Mon, May 18
Multiple Airlines Logo
4:20 pm - 12:20 pm
HKG
-
SYD
17h 00m
1 stop
Multiple Airlines Logo
9:00 pm - 9:10 am
SYD
-
HKG
15h 10m
1 stop
$559Multiple Airlines
Tue, Mar 3 - Thu, Mar 19
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
$560Multiple Airlines
Sat, Mar 7 - Sun, Mar 15

China Eastern flights from Hong Kong to Sydney

Our best China Eastern deals on Hong Kong to Sydney flight tickets
China Eastern
Mar 6
HKG12:40 pmHong Kong Intl
21h 55m
2 stops
SYD1:35 pmSydney Kingsford Smith
Apr 25
SYD11:00 amSydney Kingsford Smith
34h 10m
2 stops
HKG7:10 pmHong Kong Intl
$550
China Eastern
Mar 5
HKG9:15 pmHong Kong Intl
33h 45m
2 stops
SYD10:00 amSydney Kingsford Smith
Mar 9
SYD1:30 pmSydney Kingsford Smith
48h 35m
3 stops
HKG11:05 amHong Kong Intl
$561
China Eastern
Mar 6
HKG12:40 pmHong Kong Intl
21h 55m
2 stops
SYD1:35 pmSydney Kingsford Smith
Apr 24
SYD11:00 amSydney Kingsford Smith
27h 20m
2 stops
HKG12:20 pmHong Kong Intl
$563

Cathay Pacific flights from Hong Kong to Sydney

Our best Cathay Pacific deals on Hong Kong to Sydney flight tickets
Cathay Pacific
Apr 6
HKG9:10 amHong Kong Intl
9h 00m
SYD8:10 pmSydney Kingsford Smith
Apr 11
SYD10:10 amSydney Kingsford Smith
9h 35m
HKG5:45 pmHong Kong Intl
$604
Cathay Pacific
Feb 21
HKG11:55 pmHong Kong Intl
9h 05m
SYD12:00 pmSydney Kingsford Smith
Feb 28
SYD11:05 amSydney Kingsford Smith
9h 25m
HKG5:30 pmHong Kong Intl
$716
Cathay Pacific
Feb 10
HKG8:45 amHong Kong Intl
9h 05m
SYD8:50 pmSydney Kingsford Smith
Feb 17
SYD10:20 pmSydney Kingsford Smith
9h 00m
HKG4:20 amHong Kong Intl
$943

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 February 8, 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 3/6

12:40 pm-1:35 pm

2 stops21h 55m

Sydney Kingsford Smith

Sat 4/25

11:00 am-7:10 pm

2 stops34h 10m

$550

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 4/28

6:30 pm-7:35 pm

1 stop23h 05m

Sydney Kingsford Smith

Tue 5/12

8:50 pm-5:55 pm

1 stop23h 05m

$551

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 5/26

2:30 pm-12:15 pm

1 stop19h 45m

Sydney Kingsford Smith

Tue 6/9

10:15 am-5:25 pm

1 stop33h 10m

$552

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 5/21

2:30 pm-12:15 pm

1 stop19h 45m

Sydney Kingsford Smith

Tue 5/26

10:15 am-5:25 pm

1 stop33h 10m

$553

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 3/1

4:25 pm-12:20 pm

1 stop16h 55m

Sydney Kingsford Smith

Sun 4/19

11:30 am-7:10 pm

Nonstop9h 40m

$554

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 5/8

7:30 pm-6:45 am

Nonstop9h 15m

Sydney Kingsford Smith

Wed 5/13

10:10 am-5:55 pm

Nonstop9h 45m

$556

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 3/1

4:25 pm-12:20 pm

1 stop16h 55m

Sydney Kingsford Smith

Tue 3/17

9:00 pm-9:10 am

1 stop15h 10m

$557

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 5/4

7:30 pm-6:45 am

Nonstop9h 15m

Sydney Kingsford Smith

Mon 5/18

10:10 am-5:55 pm

Nonstop9h 45m

$558

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 3/3

4:20 pm-12:20 pm

1 stop17h 00m

Sydney Kingsford Smith

Thu 3/19

9:00 pm-9:10 am

1 stop15h 10m

$559

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 3/7

4:25 pm-12:20 pm

1 stop16h 55m

Sydney Kingsford Smith

Sun 3/15

12:35 pm-7:25 pm

Nonstop9h 50m

$560

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 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 $619. 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 $720. 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 $748 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 $607 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.

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

As of February 2026, prices for Hong Kong to Sydney flights are approximately 2% 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 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

$586

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 $586. The best round-trip flight deal from Hong Kong to Sydney found on momondo in the last 72 hours is $560.
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 $559Free CancellationRating
7.5
988 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $586Free CancellationRating
7.6
1,160 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 $779, 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 1,160 reviews.

  • Qantas Airways Flights From Hong Kong to Sydney

    Another popular option for Hong Kong to Sydney flights is Qantas Airways (7.5/10, 988 ratings). Qantas Airways flies from Hong Kong to Sydney around 7 times per week, with deals starting from $559 round-trip and rising to an average price of around $749.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Parramatta
Katoomba
Wollongong
Randwick
Penrith
Coogee
Manly
Lithgow
Leura
Cronulla
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
Tue 3/10
Tue 3/17

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