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Cheap flights from Hong Kong to Sydney from £124

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 28/8. 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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0 bags

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Cheap return flights

Logo
11:55 - 07:50HKG-SYD
17h 55m1 stop
Logo
21:15 - 17:55SYD-HKG
22h 40m1 stop
£256
Find Deal
to, 28 elo - to, 4 syys
Logo
11:55 - 07:50HKG-SYD
17h 55m1 stop
Logo
09:15 - 11:15SYD-HKG
28h 00m1 stop
£260
Find Deal
to, 28 elo - su, 7 syys
Logo
11:55 - 07:50HKG-SYD
17h 55m1 stop
Logo
21:15 - 11:15SYD-HKG
16h 00m1 stop
£262
Find Deal
to, 28 elo - to, 4 syys
Scoot Logo
19:20 - 11:35HKG-SYD
14h 15m1 stop
Scoot Logo
21:25 - 18:20SYD-HKG
23h 55m1 stop
£292Scoot
Find Deal
ma, 15 syys - ke, 15 loka
Vietnam Airlines Logo
14:30 - 13:15HKG-SYD
19h 45m1 stop
Vietnam Airlines Logo
11:50 - 17:25SYD-HKG
32h 35m1 stop
£402Vietnam Airlines
Find Deal
pe, 31 loka - su, 9 marras
Vietnam Airlines Logo
14:30 - 13:15HKG-SYD
19h 45m1 stop
Vietnam Airlines Logo
11:50 - 17:25SYD-HKG
32h 35m1 stop
£403Vietnam Airlines
Find Deal
pe, 31 loka - su, 9 marras
Qantas Airways Logo
19:30 - 06:45HKG-SYD
9h 15mdirect
Qantas Airways Logo
11:20 - 18:00SYD-HKG
9h 40mdirect
£428Qantas Airways
Find Deal
ma, 15 syys - ke, 15 loka
Qantas Airways Logo
19:30 - 06:45HKG-SYD
9h 15mdirect
Qantas Airways Logo
10:20 - 18:00SYD-HKG
9h 40mdirect
£434Qantas Airways
Find Deal
to, 14 elo - ke, 27 elo
Cathay Pacific Logo
21:20 - 09:35HKG-SYD
9h 15mdirect
Cathay Pacific Logo
11:05 - 17:30SYD-HKG
9h 25mdirect
£440Cathay Pacific
Find Deal
su, 2 marras - la, 8 marras
Cathay Pacific Logo
09:10 - 20:10HKG-SYD
9h 00mdirect
Cathay Pacific Logo
11:10 - 17:50SYD-HKG
9h 40mdirect
£448Cathay Pacific
Find Deal
ma, 15 syys - pe, 10 loka

Vietnam Airlines flights from Hong Kong to Sydney

Our best Vietnam Airlines deals on Hong Kong to Sydney flight tickets
Vietnam Airlines
31 Oct
HKG14:30Hong Kong Intl
19h 45m
1 stop
SYD13:15Sydney Kingsford Smith
9 Nov
SYD11:50Sydney Kingsford Smith
32h 35m
1 stop
HKG17:25Hong Kong Intl
£402
Find similar
Vietnam Airlines
31 Oct
HKG14:30Hong Kong Intl
19h 45m
1 stop
SYD13:15Sydney Kingsford Smith
9 Nov
SYD11:50Sydney Kingsford Smith
32h 35m
1 stop
HKG17:25Hong Kong Intl
£403
Find similar
Vietnam Airlines
31 Oct
HKG14:30Hong Kong Intl
19h 45m
1 stop
SYD13:15Sydney Kingsford Smith
8 Nov
SYD15:15Sydney Kingsford Smith
25h 15m
1 stop
HKG13:30Hong Kong Intl
£434
Find similar

Cathay Pacific flights from Hong Kong to Sydney

Our best Cathay Pacific deals on Hong Kong to Sydney flight tickets
Cathay Pacific
2 Nov
HKG21:20Hong Kong Intl
9h 15m
SYD09:35Sydney Kingsford Smith
8 Nov
SYD11:05Sydney Kingsford Smith
9h 25m
HKG17:30Hong Kong Intl
£440
Find similar
Cathay Pacific
15 Sept
HKG09:10Hong Kong Intl
9h 00m
SYD20:10Sydney Kingsford Smith
10 Oct
SYD11:10Sydney Kingsford Smith
9h 40m
HKG17:50Hong Kong Intl
£448
Find similar
Cathay Pacific
31 Oct
HKG08:45Hong Kong Intl
9h 05m
SYD20:50Sydney Kingsford Smith
8 Nov
SYD11:05Sydney Kingsford Smith
9h 25m
HKG17:30Hong Kong Intl
£464
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 1 elokuu 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

to 28/8

11:55-07:50

1 stop17h 55m

Sydney Kingsford Smith

to 4/9

21:15-17:55

1 stop22h 40m

£256

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

to 28/8

11:55-07:50

1 stop17h 55m

Sydney Kingsford Smith

su 7/9

09:15-11:15

1 stop28h 00m

£260

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

to 28/8

11:55-07:50

1 stop17h 55m

Sydney Kingsford Smith

to 4/9

21:15-11:15

1 stop16h 00m

£262

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

ma 15/9

19:20-11:35

1 stop14h 15m

Sydney Kingsford Smith

ke 15/10

21:25-18:20

1 stop23h 55m

£292

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

pe 31/10

14:30-13:15

1 stop19h 45m

Sydney Kingsford Smith

su 9/11

11:50-17:25

1 stop32h 35m

£402

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

pe 31/10

14:30-13:15

1 stop19h 45m

Sydney Kingsford Smith

su 9/11

11:50-17:25

1 stop32h 35m

£403

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

ma 15/9

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

ke 15/10

11:20-18:00

Nonstop9h 40m

£428

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

to 14/8

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

ke 27/8

10:20-18:00

Nonstop9h 40m

£434

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

su 2/11

21:20-09:35

Nonstop9h 15m

Sydney Kingsford Smith

la 8/11

11:05-17:30

Nonstop9h 25m

£440

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

ma 15/9

09:10-20:10

Nonstop9h 00m

Sydney Kingsford Smith

pe 10/10

11:10-17:50

Nonstop9h 40m

£448

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?

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 £497. If you don’t want to visit Sydney in August, then you should wait until June to fly from Hong Kong, when ticket prices are also cheap, with an average price of £521.

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 Friday when prices can be found for as low as £551. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday 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 £761.

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 £596. 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 £701 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 £616 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 £510 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 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 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

£124

Fastest flight time

9h 00m

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 £124. The best return flight deal from Hong Kong to Sydney found on momondo in the last 72 hours is £256.
The fastest flight from Hong Kong to Sydney takes 9h 00m
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. A reasonable flight in good conditions will take 9h 00m.

  • 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
Cathay PacificPriceFrom £461Free CancellationRating
7.6
949 reviews
Search Cathay Pacific flights
Qantas AirwaysPriceFrom £501Free CancellationRating
7.5
887 reviews
Search Qantas Airways flights

  • Cathay Pacific Flights From Hong Kong to Sydney

    Cathay Pacific flight deals from Hong Kong to Sydney start from £610 round-trip. Over the 29 Cathay Pacific flights for this route in a normal week, average airfare is usually £765 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, 887 ratings). Qantas Airways flies from Hong Kong to Sydney around 6 times per week, with deals starting from £663 round-trip and rising to an average price of around £997.

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
Penrith
Cronulla
Katoomba
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.

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