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Cheap flights from Hong Kong to Sydney from $181

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 9/6. 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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Find the cheapest flights from Hong Kong to Sydney (HKG-SYD)

Cheap round-trip flights

Logo
11:55 am - 7:50 amHKG-SYD
17h 55m1 stop
Logo
9:50 pm - 5:30 pmSYD-HKG
22h 40m1 stop
$374
Find Deal
Thu, Sep 11 - Mon, Nov 3
Logo
11:55 am - 7:50 amHKG-SYD
17h 55m1 stop
Logo
9:15 am - 11:15 amSYD-HKG
28h 00m1 stop
$379
Find Deal
Tue, Sep 2 - Wed, Sep 10
Scoot Logo
7:20 pm - 7:30 pmHKG-SYD
22h 10m1 stop
Scoot Logo
12:50 pm - 6:20 pmSYD-HKG
31h 30m1 stop
$411Scoot
Find Deal
Mon, Sep 1 - Fri, Sep 5
Scoot Logo
9:00 pm - 6:50 pmHKG-SYD
18h 50m1 stop
Scoot Logo
8:05 pm - 8:00 pmSYD-HKG
26h 55m1 stop
$414Scoot
Find Deal
Thu, Nov 6 - Sun, Nov 9
Cebu Pacific Logo
9:25 am - 10:45 amHKG-SYD
22h 20m1 stop
Cebu Pacific Logo
12:15 pm - 9:45 amSYD-HKG
24h 30m1 stop
$431Cebu Pacific
Find Deal
Sun, Oct 5 - Sat, Oct 11
Hong Kong Airlines Logo
10:25 pm - 9:50 amHKG-SYD
9h 25mnonstop
Hong Kong Airlines Logo
11:20 am - 7:10 pmSYD-HKG
9h 50mnonstop
$443Hong Kong Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
Hong Kong Airlines Logo
10:25 pm - 9:50 amHKG-SYD
9h 25mnonstop
Hong Kong Airlines Logo
11:20 am - 7:10 pmSYD-HKG
9h 50mnonstop
$452Hong Kong Airlines
Find Deal
Sun, Aug 31 - Sat, Sep 6
Cebu Pacific Logo
9:25 am - 10:45 amHKG-SYD
22h 20m1 stop
Cebu Pacific Logo
12:15 pm - 8:10 amSYD-HKG
22h 55m1 stop
$539Cebu Pacific
Find Deal
Tue, Oct 7 - Thu, Oct 23
Qantas Airways Logo
7:30 pm - 6:45 amHKG-SYD
9h 15mnonstop
Qantas Airways Logo
10:20 am - 6:00 pmSYD-HKG
9h 40mnonstop
$550Qantas Airways
Find Deal
Thu, Aug 28 - Tue, Sep 2
Qantas Airways Logo
7:30 pm - 6:45 amHKG-SYD
9h 15mnonstop
Qantas Airways Logo
10:20 am - 6:00 pmSYD-HKG
9h 40mnonstop
$552Qantas Airways
Find Deal
Thu, Sep 11 - Tue, Sep 16

Qantas Airways flights from Hong Kong to Sydney

Our best Qantas Airways deals on Hong Kong to Sydney flight tickets
Qantas Airways
Aug 28
HKG7:30 pmHong Kong Intl
9h 15m
SYD6:45 amSydney Kingsford Smith
Sep 2
SYD10:20 amSydney Kingsford Smith
9h 40m
HKG6:00 pmHong Kong Intl
$550
Find similar
Qantas Airways
Sep 11
HKG7:30 pmHong Kong Intl
9h 15m
SYD6:45 amSydney Kingsford Smith
Sep 16
SYD10:20 amSydney Kingsford Smith
9h 40m
HKG6:00 pmHong Kong Intl
$552
Find similar
Qantas Airways
Sep 8
HKG7:30 pmHong Kong Intl
9h 15m
SYD6:45 amSydney Kingsford Smith
Sep 11
SYD10:20 amSydney Kingsford Smith
9h 40m
HKG6:00 pmHong Kong Intl
$553
Find similar

Cebu Pacific flights from Hong Kong to Sydney

Our best Cebu Pacific deals on Hong Kong to Sydney flight tickets
Cebu Pacific
Oct 5
HKG9:25 amHong Kong Intl
22h 20m
1 stop
SYD10:45 amSydney Kingsford Smith
Oct 11
SYD12:15 pmSydney Kingsford Smith
24h 30m
1 stop
HKG9:45 amHong Kong Intl
$431
Find similar
Cebu Pacific
Oct 7
HKG9:25 amHong Kong Intl
22h 20m
1 stop
SYD10:45 amSydney Kingsford Smith
Oct 23
SYD12:15 pmSydney Kingsford Smith
22h 55m
1 stop
HKG8:10 amHong Kong Intl
$539
Find similar
Cebu Pacific
Oct 7
HKG9:25 amHong Kong Intl
22h 20m
1 stop
SYD10:45 amSydney Kingsford Smith
Oct 23
SYD12:15 pmSydney Kingsford Smith
22h 55m
1 stop
HKG8:10 amHong Kong Intl
$543
Find similar

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 August 16, 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

Thu 9/11

11:55 am-7:50 am

1 stop17h 55m

Sydney Kingsford Smith

Mon 11/3

9:50 pm-5:30 pm

1 stop22h 40m

$374

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 9/2

11:55 am-7:50 am

1 stop17h 55m

Sydney Kingsford Smith

Wed 9/10

9:15 am-11:15 am

1 stop28h 00m

$379

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 9/1

7:20 pm-7:30 pm

1 stop22h 10m

Sydney Kingsford Smith

Fri 9/5

12:50 pm-6:20 pm

1 stop31h 30m

$411

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 11/6

9:00 pm-6:50 pm

1 stop18h 50m

Sydney Kingsford Smith

Sun 11/9

8:05 pm-8:00 pm

1 stop26h 55m

$414

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 10/5

9:25 am-10:45 am

1 stop22h 20m

Sydney Kingsford Smith

Sat 10/11

12:15 pm-9:45 am

1 stop24h 30m

$431

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 8/30

10:25 pm-9:50 am

Nonstop9h 25m

Sydney Kingsford Smith

Sat 9/6

11:20 am-7:10 pm

Nonstop9h 50m

$443

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 8/31

10:25 pm-9:50 am

Nonstop9h 25m

Sydney Kingsford Smith

Sat 9/6

11:20 am-7:10 pm

Nonstop9h 50m

$452

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 10/7

9:25 am-10:45 am

1 stop22h 20m

Sydney Kingsford Smith

Thu 10/23

12:15 pm-8:10 am

1 stop22h 55m

$539

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 8/28

7:30 pm-6:45 am

Nonstop9h 15m

Sydney Kingsford Smith

Tue 9/2

10:20 am-6:00 pm

Nonstop9h 40m

$550

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 9/11

7:30 pm-6:45 am

Nonstop9h 15m

Sydney Kingsford Smith

Tue 9/16

10:20 am-6:00 pm

Nonstop9h 40m

$552

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 $635. If you are unable to visit Sydney during the month of August, then departing from Hong Kong during the month June is also very affordable. Most momondo users find prices during this month for around $690.

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 Tuesday when prices can be found for as low as $782. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $950.

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 morning. momondo users have found flights departing from Hong Kong to Sydney in the morning for as low as $794. 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 evening, with an average ticket price of $836. Departure times in the evening 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 $814 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 $658 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?

You could potentially save up to 48% 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 August 2025, prices for Hong Kong to Sydney flights are approximately 0% 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

$181

Fastest flight time

9h 15m

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 $181. The best round-trip flight deal from Hong Kong to Sydney found on momondo in the last 72 hours is $374.
The fastest flight from Hong Kong to Sydney takes 9h 15m
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. In terms of flight time, this usually takes a little over 9h 15m.

  • 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
ScootPriceFrom $348Free CancellationRating
6.7
308 reviews
Search Scoot flights
Hong Kong AirlinesPriceFrom $381Free CancellationRating
5.5
19 reviews
Search Hong Kong Airlines flights
Qantas AirwaysPriceFrom $595Free CancellationRating
7.5
895 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $596Free CancellationRating
7.6
968 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 $799, but momondo users have found Cathay Pacific deals from Hong Kong to Sydney from as low as $596 round-trip. Cathay Pacific has been scored 7.6/10 in 968 reviews.

  • Qantas Airways Flights From Hong Kong to Sydney

    Another popular option for Hong Kong to Sydney flights is Qantas Airways (7.5/10, 895 ratings). Qantas Airways flies from Hong Kong to Sydney around 7 times per week, with deals starting from $595 round-trip and rising to an average price of around $854.

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
Cronulla
Coogee
Lithgow
Penrith
Manly
Charlestown
Swansea
Leura
Terrigal

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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