Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Hong Kong to Sydney from $375

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong to Sydney Kingsford Smith are usually found in August or March, booked 77 days in advance, depart on a Sunday or Thursday 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 24 March 2026.

Tue 7/418:30
HKG
-
SYD
1 stop23h 05m
Multiple Airlines
Wed 15/420:50
SYD
-
HKG
1 stop16h 25m
Multiple Airlines
Deal found 24/3$761
Fri 3/711:55
HKG
-
SYD
1 stop18h 25m
Multiple Airlines
Fri 17/711:15
SYD
-
HKG
1 stop18h 50m
Multiple Airlines
Deal found 20/3$762
Tue 7/418:40
HKG
-
SYD
1 stop17h 35m
Sichuan Airlines
Tue 14/420:20
SYD
-
HKG
1 stop23h 05m
Sichuan Airlines
Deal found 22/3$766
Mon 6/410:15
HKG
-
SYD
1 stop25h 50m
Multiple Airlines
Sun 19/409:45
SYD
-
HKG
1 stop27h 30m
Multiple Airlines
Deal found 23/3$769
Tue 21/418:15
HKG
-
SYD
2 stops23h 20m
Multiple Airlines
Wed 29/420:50
SYD
-
HKG
1 stop16h 25m
Multiple Airlines
Deal found 20/3$771
Sat 23/518:40
HKG
-
SYD
1 stop17h 35m
Multiple Airlines
Wed 3/620:35
SYD
-
HKG
1 stop25h 10m
Multiple Airlines
Deal found 19/3$772
Tue 21/418:30
HKG
-
SYD
1 stop23h 05m
Multiple Airlines
Fri 24/409:15
SYD
-
HKG
1 stop16h 35m
Multiple Airlines
Deal found 20/3$775
Tue 19/518:30
HKG
-
SYD
1 stop23h 05m
Multiple Airlines
Tue 26/521:00
SYD
-
HKG
1 stop14h 05m
Multiple Airlines
Deal found 21/3$776
Sun 24/520:45
HKG
-
SYD
1 stop20h 35m
Scoot
Sun 31/513:00
SYD
-
HKG
1 stop32h 45m
Scoot
Deal found 21/3$778
Mon 25/511:40
HKG
-
SYD
1 stop16h 35m
Juneyao Airlines
Tue 2/608:15
SYD
-
HKG
1 stop28h 25m
Juneyao Airlines
Deal found 22/3$779
Sat 18/418:40
HKG
-
SYD
2 stops22h 55m
Multiple Airlines
Tue 28/420:50
SYD
-
HKG
1 stop16h 25m
Multiple Airlines
Deal found 20/3$781

Find flight deals from Hong Kong to Sydney

Keep the following information in mind while searching for Hong Kong to Sydney flight deals. Data was last updated 24 March 2026.

Round-trip from

$761

One-way from

$375

Popular in

January

Cheapest in

August

Average price

$889

Good round-trip deal

$717 or less

Good one-way deal

$773 or less
7/4-15/4
  • 7/4-15/4
  • 2 total stops
  • 39h 30m total
  • Hong Kong to Sydney
Search Deals
Scoot
  • Scoot
  • 8/5
  • 1 total stop
  • 20h 35m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($312 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($38 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 to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Hong Kong 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 24 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

Cheapest return flight

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 28/4

18:30-19:35

1 stop23h 05m

Sydney Kingsford Smith

Tue 12/5

20:50-17:55

1 stop23h 05m

$798

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 20/5

18:40-14:15

1 stop17h 35m

Sydney Kingsford Smith

Sun 31/5

20:20-17:25

1 stop23h 05m

$866

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 13/5

18:40-14:15

1 stop17h 35m

Sydney Kingsford Smith

Sun 17/5

20:20-17:25

1 stop23h 05m

$869

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 21/5

22:05-09:35

Nonstop9h 30m

Sydney Kingsford Smith

Wed 3/6

11:05-19:10

Nonstop10h 05m

$871

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 4/6

14:30-12:15

1 stop19h 45m

Sydney Kingsford Smith

Sun 7/6

10:15-17:25

1 stop33h 10m

$916
Fastest return journey

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 5/5

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sun 17/5

10:10-17:55

Nonstop9h 45m

$1,086

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 25/8

15:15-06:05

2 stops36h 50m

Sydney Kingsford Smith

Sat 5/9

07:05-14:15

2 stops33h 10m

$1,119

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 26/8

20:05-11:30

1 stop13h 25m

Sydney Kingsford Smith

Thu 3/9

10:10-17:55

Nonstop9h 45m

$1,132

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 1/7

20:05-12:15

1 stop14h 10m

Sydney Kingsford Smith

Thu 16/7

10:10-17:55

Nonstop9h 45m

$1,132

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 4/6

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sun 7/6

10:10-17:55

Nonstop9h 45m

$1,134

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 13 March 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 $632). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $936). 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 HK 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 24 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.

How often are flights from Hong Kong to Sydney delayed?

About 33% of weekly flights between Hong Kong and Sydney have experienced delays in the past year, with the average delay time being 123 minutes.

What is the most punctual flight time for Hong Kong to Sydney flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Hong Kong to Sydney flights?

Over the past year, Cathay Pacific have had the lowest number of delays on this route, with just 20% of flights being delayed.

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 24 March 2026.
Check out reviews from past customers who have flown with Cathay Pacific,Qantas Airways, andHong Kong Airlines from Hong Kong to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,228 reviews
Check prices

Boarding

7.9

Food

7.3

Comfort

7.6

Overall

7.6

Crew

8.1

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Cathay Pacific
7.6
Good
1,228 reviews
Cathay Pacific
7.6
Good
1,228 reviews
Check prices

Boarding

7.9

Food

7.3

Comfort

7.6

Overall

7.6

Crew

8.1

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Qantas Airways
7.5
Good
1,009 reviews
Cathay Pacific
7.6
Good
1,228 reviews
Check prices

Boarding

7.9

Food

7.3

Comfort

7.6

Overall

7.6

Crew

8.1

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.
Hong Kong Airlines
6.0
Okay
28 reviews
Cathay Pacific
7.6
Good
1,228 reviews
Check prices

Boarding

7.9

Food

7.3

Comfort

7.6

Overall

7.6

Crew

8.1

Entertainment

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jan 2026

HKG - CTS

I went to sleep without dinner, woke up about 4 hours before landing. I asked for breakfast, waited for an hour, nothing, I asked again, still nothing after 15 minutes. I then asked for coffee, when the coffee came after half an hour, it was cold. Crew manager apologised.

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 airport do you fly into for flights to Sydney from Hong Kong?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Hong Kong.

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

    Flights from Hong Kong to Sydney Kingsford Smith have been viewed 270 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. Sichuan Airlines provides one of the quickest options available for as low as $871. 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 $620, 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 $236. Users have also found prices from $318 and $372 on Cebu Pacific and Hainan Airlines, respectively.

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

    Consider Hong Kong Airlines (70%), Turkish Airlines (70%) or MIAT Mongolian (67%) when booking your flight. These represent the most reliable airlines when flying from Hong Kong to Sydney.

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

    On average you can expect to pay $976 for a flight from Hong Kong to Sydney. The cheapest flight overall is $574 while the most popular route, (Hong Kong Intl - Sydney Kingsford Smith) is currently priced at $575.

  • 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 $632). Flying from Hong Kong to Sydney in January is currently the most expensive (average of $936). 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
Terrigal
Lithgow
Katoomba
Manly
Bondi Beach
Coogee
Cronulla
Leura
Randwick

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 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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Hong Kong AirlinesCheapest$620Average$823FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Qantas AirwaysCheapest$699Average$982FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$809Average$1,126FlexibilityNo 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?

When you search for this flight from Hong Kong to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hong Kong to Sydney.

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

Certainly. Search results for flights to Sydney from Hong Kong shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Hong Kong to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.