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Cheap flights from Hong Kong to Sydney from $451

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
31 Mar — 7 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to Sydney Kingsford Smith are usually found in August or October, booked 38 days in advance, depart on a Sunday or Saturday and return on a Tuesday

Cheap flight deals from Hong Kong to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Sydney
Explore the most affordable flight options available from Hong Kong to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 March 2026.

Sat 7/318:20
HKG
-
SYD
1 stop17h 20m
Multiple Airlines
Mon 23/320:05
SYD
-
HKG
2 stops49h 45m
Multiple Airlines
Deal found 26/2$746
Tue 28/417:50
HKG
-
SYD
2 stops23h 45m
Multiple Airlines
Thu 7/513:00
SYD
-
HKG
2 stops31h 50m
Multiple Airlines
Deal found 27/2$747
Sat 7/312:55
HKG
-
SYD
2 stops21h 40m
China Eastern
Sat 21/321:30
SYD
-
HKG
2 stops22h 55m
China Eastern
Deal found 25/2$749
Wed 1/418:40
HKG
-
SYD
1 stop17h 35m
Multiple Airlines
Sun 12/420:35
SYD
-
HKG
1 stop25h 10m
Multiple Airlines
Deal found 26/2$750
Sun 8/316:25
HKG
-
SYD
1 stop23h 25m
Multiple Airlines
Thu 12/321:25
SYD
-
HKG
1 stop22h 55m
Multiple Airlines
Deal found 28/2$751
Wed 11/318:50
HKG
-
SYD
2 stops21h 00m
Multiple Airlines
Fri 20/312:35
SYD
-
HKG
Nonstop9h 50m
Multiple Airlines
Deal found 25/2$753
Wed 4/318:20
HKG
-
SYD
1 stop17h 20m
Multiple Airlines
Mon 23/320:05
SYD
-
HKG
2 stops25h 25m
Multiple Airlines
Deal found 26/2$754
Sat 7/321:15
HKG
-
SYD
3 stops37h 20m
China Eastern
Fri 20/312:00
SYD
-
HKG
2 stops26h 05m
China Eastern
Deal found 26/2$756
Wed 4/316:25
HKG
-
SYD
1 stop16h 55m
Multiple Airlines
Sun 8/312:35
SYD
-
HKG
Nonstop9h 50m
Multiple Airlines
Deal found 25/2$757
Sat 7/312:55
HKG
-
SYD
2 stops21h 40m
China Eastern
Thu 26/313:30
SYD
-
HKG
2 stops25h 25m
China Eastern
Deal found 26/2$759
Fri 6/318:20
HKG
-
SYD
1 stop17h 20m
Multiple Airlines
Fri 20/312:35
SYD
-
HKG
Nonstop9h 50m
Multiple Airlines
Deal found 25/2$760
Sun 12/415:15
HKG
-
SYD
2 stops36h 50m
Multiple Airlines
Sun 19/420:50
SYD
-
HKG
1 stop23h 05m
Multiple Airlines
Deal found 26/2$761

Find flight deals from Hong Kong to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 March 2026.

Round-trip from

$747

One-way from

$451

Popular in

January

Cheapest in

August

Average price

$916

Good round-trip deal

$783 or less

Good one-way deal

$862 or less
28/4-7/5
  • 28/4-7/5
  • 4 total stops
  • 55h 35m total
  • Hong Kong to Sydney
Search Deals
21/3
  • 21/3
  • 3 total stops
  • 24h 10m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($285 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Hong Kong Intl to Sydney Kingsford Smith.
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 1 March 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 10/5

11:20-08:00

2 stops18h 40m

Sydney Kingsford Smith

Mon 18/5

20:30-20:15

3 stops25h 45m

$848

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 28/5

13:35-08:00

2 stops40h 25m

Sydney Kingsford Smith

Mon 1/6

20:30-20:15

3 stops25h 45m

$858

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 28/3

21:15-10:00

3 stops33h 45m

Sydney Kingsford Smith

Tue 7/4

10:05-16:05

3 stops32h 00m

$868

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 16/3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Mon 20/4

10:10-17:55

Nonstop9h 45m

$872

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 27/8

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Tue 8/9

10:10-17:55

Nonstop9h 45m

$874

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 27/8

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Thu 3/9

10:10-17:55

Nonstop9h 45m

$874

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 25/8

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sat 5/9

10:10-17:55

Nonstop9h 45m

$874

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 29/3

11:20-09:00

2 stops18h 40m

Sydney Kingsford Smith

Tue 7/4

10:05-16:05

3 stops32h 00m

$878

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 10/6

13:35-08:00

3 stops40h 25m

Sydney Kingsford Smith

Fri 19/6

10:05-16:05

3 stops32h 00m

$913

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 14/5

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sun 17/5

10:10-17:55

Nonstop9h 45m

$917

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
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Best time to book a flight from Hong Kong to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Hong Kong with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Sydney

How far ahead should I book a flight from Hong Kong to Sydney?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Sydney. Price data was last updated on 27 February 2026.

To ensure you get the cheapest price possible for a flight from Hong Kong to Sydney, you should look to book at least 38 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Hong Kong to Sydney?

Currently, October is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $625). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $920). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HKG to SYD?

Find hourly flight availability from Hong Kong to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 March 2026.

When flying from Hong Kong to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 1 March 2026.
Read through reviews of airlines operating flights from Hong Kong to Sydney, such as Cathay Pacific, Qantas Airways, andHong Kong Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Boarding

7.9

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Cathay Pacific
7.6
Good
1,180 reviews
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Boarding

7.9

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Qantas Airways
7.5
Good
999 reviews
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Boarding

7.9

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Hong Kong Airlines
6.0
Okay
28 reviews
Cathay Pacific
7.6
Good
1,180 reviews
Check prices

Boarding

7.9

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Hong Kong to Sydney?

    Booking a flight from Hong Kong Intl (HKG) to Sydney Kingsford Smith (SYD) is your only option if you wish to fly from Hong Kong to Sydney. On a typical day, there are 23 flights from Hong Kong Intl to Kingsford Smith, all of which are around 9h 15m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Hong Kong Intl to Sydney.

  • How popular is this Hong Kong to Sydney flight route?

    Flights from Hong Kong Intl to Sydney Kingsford Smith have been viewed 292 times in the past calendar month.

  • How long is the flight from Hong Kong to Sydney?

    A quick flight from Hong Kong to Sydney can take about 9h 30m. China Eastern provides one of the quickest options available for as low as $872. The distance between Hong Kong and Sydney is about 7387 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Hong Kong to Sydney round-trip?

    Hong Kong Airlines, at $609, was found to be the cheapest airline from Hong Kong to Sydney.Alternate airlines to your destination round-trip include Qantas Airways and Cathay Pacific. Users have found that Hong Kong Airlines is 41% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Hong Kong to Sydney one-way?

    For one-way options, check prices for Scoot. According to our data, you can fly for as low as $231. Users have also found prices from $255 and $366 on Cebu Pacific and Hainan Airlines, respectively.

  • What are the most reliable airlines from Hong Kong to Sydney?

    No one likes to see their flight delayed. When booking a flight from Hong Kong to Sydney consider choosing Hong Kong Airlines(78%), Turkish Airlines(78%) or MIAT Mongolian(72%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Hong Kong to Sydney?

    The cheapest flight price from Hong Kong to Sydney is $653. On average you can expect to pay $2,080. The most popular route, (Hong Kong Intl - Sydney Kingsford Smith), can usually be booked for $531.

  • Can I find deals for flights from Hong Kong to Sydney that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Sydney.

  • Can I find deals for business class flights from Hong Kong to Sydney?

    Yes. Cheapflights offers flight deals from Hong Kong to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hong Kong to Sydney?

    Currently, October is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $625). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $920). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

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Fly from Hong Kong to Sydney on these airlines

Choose from the following airlines for your flight from Hong Kong to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 1 March 2026.
Cathay Pacific flights from Hong Kong Intl to Sydney Kingsford Smith
Qantas Airways flights from Hong Kong Intl to Sydney Kingsford Smith

Top 3 airlines flying from Hong Kong to Sydney

Discover the top 3 airlines that operate flights from Hong Kong to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Hong Kong AirlinesCheapest$609Average$863FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Qantas AirwaysCheapest$697Average$925FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$795Average$1,109FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hong Kong to Sydney?

Deals for Hong Kong to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Hong Kong by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Hong Kong to Sydney with no change fees?

Yes, we can. To see specific flights from Hong Kong to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Hong Kong to Sydney become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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