HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$260+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hong Kong to Sydney with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Hong Kong Intl to Sydney Kingsford Smith are usually found in August or June, booked 87 days in advance, depart on a Friday or Tuesday and return on a Tuesday

Cheap 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 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$500
(Mytrip)

One-way from

$260
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$769

Good round-trip deal

$636 or less

Good one-way deal

$539 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.
Search Deals
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. 16% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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

Find 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 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/24. 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 5/912:40 amHKG - SYD
2 stops29h 10mMultiple Airlines
Fri 5/169:15 amSYD - HKG
2 stops21h 40mMultiple Airlines
Deal found 3/24$500
This Gotogate deal was found by Cheapflights users on 3/25. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2911:35 amHKG - SYD
1 stop20h 25mChina Eastern
Mon 3/3112:20 pmSYD - HKG
2 stops30h 45mChina Eastern
Deal found 3/25$530
This FlightHub deal was found by Cheapflights users on 3/25. 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 8/139:25 amHKG - SYD
1 stop22h 20mCebu Pacific
Tue 8/1911:15 amSYD - HKG
1 stop22h 55mCebu Pacific
Deal found 3/25$532
This CheapOair deal was found by Cheapflights users on 3/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/27:20 pmHKG - SYD
1 stop14h 15mScoot
Sun 5/1112:50 pmSYD - HKG
1 stop31h 30mScoot
Deal found 3/25$548
This FlightHub deal was found by Cheapflights users on 3/24. 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.
Thu 7/1010:25 pmHKG - SYD
Nonstop9h 25mHong Kong Airlines
Mon 7/1411:30 amSYD - HKG
Nonstop9h 40mHong Kong Airlines
Deal found 3/24$553
This FlightHub deal was found by Cheapflights users on 3/25. 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 8/137:30 pmHKG - SYD
Nonstop9h 15mQantas Airways
Tue 8/1910:20 amSYD - HKG
Nonstop9h 40mQantas Airways
Deal found 3/25$597
This Singapore Airlines deal was found by Cheapflights users on 3/24. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:25 pmHKG - SYD
1 stop15h 30mSingapore Airlines
Sat 9/137:55 amSYD - HKG
1 stop17h 05mSingapore Airlines
Deal found 3/24$606
This Vietnam Airlines deal was found by Cheapflights users on 3/25. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/32:30 pmHKG - SYD
1 stop19h 45mVietnam Airlines
Thu 8/710:15 amSYD - HKG
1 stop33h 10mVietnam Airlines
Deal found 3/25$688
This Malaysia Airlines deal was found by Cheapflights users on 3/24. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:45 amHKG - SYD
1 stop23h 15mMalaysia Airlines
Tue 10/710:10 pmSYD - HKG
1 stop28h 40mMalaysia Airlines
Deal found 3/24$702
This Garuda Indonesia deal was found by Cheapflights users on 3/25. 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 Garuda Indonesia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/299:30 amHKG - SYD
1 stop22h 15mGaruda Indonesia
Sun 8/1011:45 amSYD - HKG
1 stop20h 00mGaruda Indonesia
Deal found 3/25$712
This Cathay Pacific deal was found by Cheapflights users on 3/25. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/268:45 amHKG - SYD
Nonstop9h 05mCathay Pacific
Mon 3/3111:10 amSYD - HKG
Nonstop9h 40mCathay Pacific
Deal found 3/25$740
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Thu 9/1812:35 pmHKG - SYD
2 stops42h 45mXiamenAir
Wed 9/2411:25 amSYD - HKG
2 stops50h 10mXiamenAir
Deal found 3/25$810

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 26, 2025.
Use the filters below to find and compare flights from Hong Kong to Sydney that are best for you.

Fly from

Hong Kong

Fly to

Sydney

Route

Depart

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 5/9

12:40 am-7:50 am

2 stops29h 10m

Sydney Kingsford Smith

Fri 5/16

9:15 am-4:55 am

2 stops21h 40m

$500

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 8/13

9:25 am-9:45 am

1 stop22h 20m

Sydney Kingsford Smith

Tue 8/19

11:15 am-8:10 am

1 stop22h 55m

$532

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 5/2

7:20 pm-11:35 am

1 stop14h 15m

Sydney Kingsford Smith

Sun 5/11

12:50 pm-6:20 pm

1 stop31h 30m

$548

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 7/10

10:25 pm-9:50 am

Nonstop9h 25m

Sydney Kingsford Smith

Mon 7/14

11:30 am-7:10 pm

Nonstop9h 40m

$553

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 8/13

7:30 pm-6:45 am

Nonstop9h 15m

Sydney Kingsford Smith

Tue 8/19

10:20 am-6:00 pm

Nonstop9h 40m

$597

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 8/29

12:25 pm-5:55 am

1 stop15h 30m

Sydney Kingsford Smith

Sat 9/13

7:55 am-11:00 pm

1 stop17h 05m

$606

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 8/3

2:30 pm-12:15 pm

1 stop19h 45m

Sydney Kingsford Smith

Thu 8/7

10:15 am-5:25 pm

1 stop33h 10m

$688

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 7/29

9:30 am-9:45 am

1 stop22h 15m

Sydney Kingsford Smith

Sat 8/9

11:45 am-5:45 am

1 stop20h 00m

$712

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 7/30

2:35 pm-10:00 am

1 stop17h 25m

Sydney Kingsford Smith

Fri 8/8

10:10 pm-1:15 pm

1 stop17h 05m

$715

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 4/15

9:10 am-8:10 pm

Nonstop9h 00m

Sydney Kingsford Smith

Sun 5/25

10:10 am-5:50 pm

Nonstop9h 40m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 27 results
1
2
3

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*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
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 21, 2025.

To ensure you get the cheapest price possible for a flight from Hong Kong to Sydney, you should look to book at least 87 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, March is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $1,044). Flying from Hong Kong to Sydney in December is currently the most expensive (average of $1,643). 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 26, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 23% on flights from Hong Kong to Sydney by exploring options for tickets at noon.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 26, 2025.
See what other customers who have flown with China Airlines, Asiana Airlines and Garuda Indonesia from Hong Kong to Sydney have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.2
Very good
722 reviews

Crew

8.5

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Sopharith,Feb 2025

TPE - PNH

All are excellence, but we had to pay 150$ extra charge each person with our names in passports and tickets. It was just swiping between first names and last names. It might be our mistake when we bought the tickets, but I thought it was expensive just to swipe the names. Anyway, thanks a lot. All excellence
China Airlines
8.2
Very good
722 reviews
China Airlines
8.2
Very good
722 reviews

Crew

8.5

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Sopharith,Feb 2025

TPE - PNH

All are excellence, but we had to pay 150$ extra charge each person with our names in passports and tickets. It was just swiping between first names and last names. It might be our mistake when we bought the tickets, but I thought it was expensive just to swipe the names. Anyway, thanks a lot. All excellence
Asiana Airlines
8.2
Very good
441 reviews
China Airlines
8.2
Very good
722 reviews

Crew

8.5

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Sopharith,Feb 2025

TPE - PNH

All are excellence, but we had to pay 150$ extra charge each person with our names in passports and tickets. It was just swiping between first names and last names. It might be our mistake when we bought the tickets, but I thought it was expensive just to swipe the names. Anyway, thanks a lot. All excellence
Garuda Indonesia
8.2
Very good
71 reviews
China Airlines
8.2
Very good
722 reviews

Crew

8.5

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Sopharith,Feb 2025

TPE - PNH

All are excellence, but we had to pay 150$ extra charge each person with our names in passports and tickets. It was just swiping between first names and last names. It might be our mistake when we bought the tickets, but I thought it was expensive just to swipe the names. Anyway, thanks a lot. All excellence
Singapore Airlines
8.1
Very good
1,284 reviews
China Airlines
8.2
Very good
722 reviews

Crew

8.5

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Sopharith,Feb 2025

TPE - PNH

All are excellence, but we had to pay 150$ extra charge each person with our names in passports and tickets. It was just swiping between first names and last names. It might be our mistake when we bought the tickets, but I thought it was expensive just to swipe the names. Anyway, thanks a lot. All excellence
Fiji Airways
8.0
Very good
182 reviews
China Airlines
8.2
Very good
722 reviews

Crew

8.5

Entertainment

8.0

Food

7.8

Boarding

8.3

Overall

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Sopharith,Feb 2025

TPE - PNH

All are excellence, but we had to pay 150$ extra charge each person with our names in passports and tickets. It was just swiping between first names and last names. It might be our mistake when we bought the tickets, but I thought it was expensive just to swipe the names. Anyway, thanks a lot. All excellence

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 32h 50m on average. When it comes time to book airfare, you have a few options: there are 19 outbound flights from Hong Kong Intl to Kingsford Smith offered by 4 different airlines.

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

    Within the past month, 12 users have taken a look at flights from Hong Kong Intl to Sydney Kingsford Smith.

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

    Flying on Cebu Pacific is currently your cheapest option to Sydney, with prices starting at $532. Additional round-trip tickets that might be worth considering are offered by Scoot and Hong Kong Airlines, with the lowest prices starting at $548 and $553, respectively. These flights start at 35% 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 $272 on Scoot. Other airlines that offer cheap prices include Juneyao Airlines from $288 and Hong Kong Airlines from $355 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 MIAT Mongolian (70%), Cathay Pacific (63%) or Finnair (59%) 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 $1,938, our data indicates the cheapest price to be $539. The most popular route (Hong Kong Intl - Sydney Kingsford Smith), is priced around $917.

  • 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, March is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $1,044). Flying from Hong Kong to Sydney in December is currently the most expensive (average of $1,643). 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 Hong Kong?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Hong Kong to Sydney

Discover the top 4 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$351Average$431FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$590Average$663FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$623Average$815FlexibilityNo cancel feeOn-time72%
Qantas AirwaysCheapest$647Average$835FlexibilityNo cancel feeOn-time74%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.