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$261+ Cheap flights from Hong Kong (HKG) to Sydney (SYD)

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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Find cheap flights from Hong Kong to Sydney with Cheapflights

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Cheapflights Tip: The best prices from Hong Kong Intl to Sydney Kingsford Smith are usually found in August or March, booked 77 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Hong Kong to Sydney

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 March 16, 2026.

This Mytrip deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:40 pm
HKG
-
SYD
1 stop17h 35m
Multiple Airlines
Tue 6/91:00 pm
SYD
-
HKG
2 stops28h 35m
Multiple Airlines
Deal found 3/11$538
This FlightHub deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:50 pm
HKG
-
SYD
1 stop15h 15m
Hainan Airlines
Thu 5/149:00 pm
SYD
-
HKG
1 stop14h 05m
Hainan Airlines
Deal found 3/12$539
This AirAsia deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirAsia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/166:15 pm
HKG
-
SYD
1 stop23h 20m
Multiple Airlines
Mon 4/208:50 pm
SYD
-
HKG
1 stop16h 25m
Multiple Airlines
Deal found 3/15$540
This Mytrip deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/49:15 pm
HKG
-
SYD
2 stops32h 45m
China Eastern
Sat 4/112:10 pm
SYD
-
HKG
2 stops31h 00m
China Eastern
Deal found 3/15$541
This Mytrip deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/111:35 pm
HKG
-
SYD
2 stops40h 25m
China Eastern
Sat 4/182:10 pm
SYD
-
HKG
2 stops31h 00m
China Eastern
Deal found 3/15$542
This Mytrip deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:40 pm
HKG
-
SYD
2 stops31h 40m
Multiple Airlines
Wed 6/31:00 pm
SYD
-
HKG
2 stops28h 35m
Multiple Airlines
Deal found 3/14$543
This Trip.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:45 pm
HKG
-
SYD
1 stop13h 00m
Multiple Airlines
Fri 5/811:55 am
SYD
-
HKG
1 stop26h 50m
Multiple Airlines
Deal found 3/12$545
This Mytrip deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/62:35 pm
HKG
-
SYD
2 stops39h 25m
China Eastern
Mon 4/2010:00 am
SYD
-
HKG
2 stops28h 20m
China Eastern
Deal found 3/12$546
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/68:50 pm
HKG
-
SYD
1 stop15h 15m
Multiple Airlines
Mon 4/2011:15 am
SYD
-
HKG
Nonstop9h 55m
Multiple Airlines
Deal found 3/12$547
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/129:05 pm
HKG
-
SYD
2 stops33h 10m
Multiple Airlines
Wed 4/151:00 pm
SYD
-
HKG
1 stop32h 45m
Multiple Airlines
Deal found 3/11$548
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/48:40 pm
HKG
-
SYD
1 stop31h 35m
Juneyao Airlines
Sat 4/118:15 am
SYD
-
HKG
1 stop28h 25m
Juneyao Airlines
Deal found 3/12$549
This Booking.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:20 pm
HKG
-
SYD
1 stop17h 20m
Multiple Airlines
Wed 3/188:05 pm
SYD
-
HKG
1 stop22h 20m
Multiple Airlines
Deal found 3/12$551

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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$538
(Mytrip)

One-way from

$261
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$622

Good round-trip deal

$579 or less

Good one-way deal

$396 or less
Provider with most accurate pricing for Hong Kong Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hong Kong Intl-Sydney Kingsford Smith flights.
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From Hong Kong Intl to Sydney Kingsford Smith
Search Deals
One-way flight from Hong Kong Intl to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT 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

 
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, Cheapflights users made 2,558,603 searches. Data last updated March 16, 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

Cheapest round-trip

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 5/30

1:35 pm-8:00 am

2 stops40h 25m

Sydney Kingsford Smith

Mon 6/8

8:30 pm-5:10 pm

2 stops46h 40m

$568

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 5/18

1:35 pm-8:00 am

3 stops40h 25m

Sydney Kingsford Smith

Fri 5/29

10:05 am-8:15 pm

2 stops36h 10m

$586

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 6/2

1:35 pm-8:00 am

2 stops40h 25m

Sydney Kingsford Smith

Tue 6/9

10:05 am-10:25 am

3 stops50h 20m

$589

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 3/31

1:35 pm-9:00 am

2 stops40h 25m

Sydney Kingsford Smith

Wed 4/8

10:05 am-10:25 am

3 stops50h 20m

$603

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 5/21

9:15 pm-9:00 am

3 stops33h 45m

Sydney Kingsford Smith

Mon 5/25

10:00 am-12:20 pm

2 stops28h 20m

$604
Quickest round-trip

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 5/18

7:30 pm-6:45 am

Nonstop9h 15m

Sydney Kingsford Smith

Fri 5/29

10:10 am-5:55 pm

Nonstop9h 45m

$621

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 4/7

1:35 pm-8:00 am

2 stops40h 25m

Sydney Kingsford Smith

Tue 4/14

11:00 am-12:20 pm

2 stops27h 20m

$655

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 4/1

9:15 pm-9:00 am

2 stops32h 45m

Sydney Kingsford Smith

Wed 4/8

10:05 am-10:25 am

3 stops50h 20m

$660

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 5/13

7:30 pm-6:45 am

Nonstop9h 15m

Sydney Kingsford Smith

Sun 5/17

10:10 am-5:55 pm

Nonstop9h 45m

$679
Cheapest one-way

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 3/24

7:30 pm-12:20 pm

2 stops37h 50m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Hong Kong to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hong Kong to Sydney in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hong Kong-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hong Kong-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hong Kong-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hong Kong-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hong Kong-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Hong Kong to Sydney. Price data was last updated on March 13, 2026.

To ensure you get the cheapest price possible for a flight from Hong Kong to Sydney, you should look to book at least 77 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 $442). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $655). 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 March 16, 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.

How much does it cost to fly round-trip from Hong Kong to Sydney?

The best insider tips for Hong Kong to Sydney flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Hong Kong to Sydney trip
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on HKG

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
John Walton

John Walton

Expert on SYD

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

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 March 16, 2026.
Get a feel of what it's like to fly with Cathay Pacific,Qantas Airways, andHong Kong Airlines from Hong Kong to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,207 reviews

Food

7.3

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Jasper,Mar 2026

SFO - HKG

Food and comfort. Rice was kinda dry and hard. Ratio of protein to starch was menial.i probably found two chunks of chicken on the stew. Seats were tight. Very cramped. It was a bit warm during the flight. My check in baggage was separated from my connection ting flight. Had to wait a few hours in the airport, costing me extra cash for the driver to wait. I dont think ill be ever flying cathay pacific ever again.
Cathay Pacific
7.6
Good
1,207 reviews
Cathay Pacific
7.6
Good
1,207 reviews

Food

7.3

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Jasper,Mar 2026

SFO - HKG

Food and comfort. Rice was kinda dry and hard. Ratio of protein to starch was menial.i probably found two chunks of chicken on the stew. Seats were tight. Very cramped. It was a bit warm during the flight. My check in baggage was separated from my connection ting flight. Had to wait a few hours in the airport, costing me extra cash for the driver to wait. I dont think ill be ever flying cathay pacific ever again.
Qantas Airways
7.5
Good
1,004 reviews
Cathay Pacific
7.6
Good
1,207 reviews

Food

7.3

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Jasper,Mar 2026

SFO - HKG

Food and comfort. Rice was kinda dry and hard. Ratio of protein to starch was menial.i probably found two chunks of chicken on the stew. Seats were tight. Very cramped. It was a bit warm during the flight. My check in baggage was separated from my connection ting flight. Had to wait a few hours in the airport, costing me extra cash for the driver to wait. I dont think ill be ever flying cathay pacific ever again.
Hong Kong Airlines
6.0
Okay
28 reviews
Cathay Pacific
7.6
Good
1,207 reviews

Food

7.3

Crew

8.1

Entertainment

7.8

Comfort

7.6

Boarding

7.9

Overall

7.6

Reviews

1 / 20
4.0
Okay

Jasper,Mar 2026

SFO - HKG

Food and comfort. Rice was kinda dry and hard. Ratio of protein to starch was menial.i probably found two chunks of chicken on the stew. Seats were tight. Very cramped. It was a bit warm during the flight. My check in baggage was separated from my connection ting flight. Had to wait a few hours in the airport, costing me extra cash for the driver to wait. I dont think ill be ever flying cathay pacific ever again.

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?

    To fly from Hong Kong to Sydney, you need to book a flight from Hong Kong Intl (HKG) to Kingsford Smith (SYD). Nonstop flights to Sydney Kingsford Smith from Hong Kong Intl take 9h 10m on average. When it comes time to book airfare, you have a few options: there are 26 outbound flights from Hong Kong Intl to Kingsford Smith offered by 3 different airlines.

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

    Within the past month, 2 users have taken a look at flights from Hong Kong Intl to Sydney Kingsford Smith.

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

    Hainan Airlines and China Eastern can get you from Hong Kong to Sydney in just under 15h 15m. Your travel time can differ by up to 17h 30m. The distance from Hong Kong to Sydney is about 4590 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Hong Kong Airlines is currently your cheapest option to Sydney, with prices starting at $428. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and Cathay Pacific, with the lowest prices starting at $557 and $585, respectively. These flights start at 42% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $308 on Hong Kong Airlines. Other airlines that offer cheap prices include Qantas Airways from $472 and Cathay Pacific from $529 one-way.

  • 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 (70%), Turkish Airlines (70%) or MIAT Mongolian (67%) 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?

    Looking for the cheapest flight from Hong Kong to Sydney? While on average our users pay $516, our data indicates the cheapest price to be $374. The most popular route (Hong Kong Intl - Sydney Kingsford Smith), is priced around $523.

  • 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 vacation 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 $442). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $655). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

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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 2,558,603 searches. Data last updated March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hong Kong AirlinesCheapest$428Average$560FlexibilityNo cancel feeOn-time65%
Qantas AirwaysCheapest$557Average$675FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$585Average$776FlexibilityNo cancel feeOn-time72%

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