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Cheap flights from Hong Kong to Sydney from $312

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
17 Apr — 24 Apr1
1 adult

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

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 12 April 2025.

Round-trip from

$844

One-way from

$312

Popular in

January

Cheapest in

August

Average price

$1,337

Good round-trip deal

$974 or less

Good one-way deal

$854 or less
Scoot
  • Scoot
  • 4/10-13/10
  • 2 total stops
  • 37h 50m total
  • Hong Kong to Sydney
9/5
  • 9/5
  • 2 total stops
  • 24h 20m total
  • Hong Kong to Sydney
Highest demand for flights based on searches. 16% potential increase in price ($425 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($87 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Hong Kong Intl to Sydney Kingsford Smith.
Price to beat on a one-way flight from Hong Kong Intl to Sydney Kingsford Smith.

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 12 April 2025.

Sat 4/1019:20HKG - SYD
1 stop14h 15mScoot
Mon 13/1021:45SYD - HKG
1 stop23h 35mScoot
Deal found 11/4$844
Sun 13/711:00HKG - SYD
1 stop20h 45mMultiple Airlines
Sun 20/709:15SYD - HKG
2 stops21h 05mMultiple Airlines
Deal found 11/4$852
Thu 1/519:15HKG - SYD
2 stops34h 25mChina Eastern
Mon 5/511:20SYD - HKG
2 stops30h 45mChina Eastern
Deal found 11/4$858
Mon 14/722:25HKG - SYD
Nonstop9h 25mHong Kong Airlines
Thu 24/711:30SYD - HKG
Nonstop9h 40mHong Kong Airlines
Deal found 10/4$873
Sat 5/720:05HKG - SYD
1 stop13h 20mQantas Airways
Tue 29/710:20SYD - HKG
Nonstop9h 40mQantas Airways
Deal found 11/4$930
Fri 29/812:25HKG - SYD
1 stop15h 30mSingapore Airlines
Sat 13/907:55SYD - HKG
1 stop17h 05mSingapore Airlines
Deal found 11/4$972
Mon 14/416:55HKG - SYD
1 stop19h 20mHainan Airlines
Tue 22/421:00SYD - HKG
1 stop20h 45mHainan Airlines
Deal found 11/4$1,010
Sat 20/921:35HKG - SYD
Nonstop9h 05mCathay Pacific
Sat 4/1021:50SYD - HKG
Nonstop9h 20mCathay Pacific
Deal found 11/4$1,018
Sat 27/911:20HKG - SYD
1 stop18h 40mPhilippine Airlines
Tue 7/1011:10SYD - HKG
1 stop13h 40mPhilippine Airlines
Deal found 11/4$1,087
Fri 19/1212:20HKG - SYD
2 stops19h 05mXiamenAir
Fri 2/112:30SYD - HKG
2 stops25h 50mXiamenAir
Deal found 11/4$1,095
Sat 12/420:35HKG - SYD
1 stop32h 45mVietJet Air
Sat 19/410:15SYD - HKG
1 stop34h 35mVietJet Air
Deal found 11/4$1,148

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 12 April 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

Sat 4/10

19:20-11:35

1 stop14h 15m

Sydney Kingsford Smith

Mon 13/10

21:45-18:20

1 stop23h 35m

$844

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 13/7

11:00-09:45

1 stop20h 45m

Sydney Kingsford Smith

Sun 20/7

09:15-04:20

2 stops21h 05m

$852

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 1/5

19:15-07:40

2 stops34h 25m

Sydney Kingsford Smith

Mon 5/5

11:20-16:05

2 stops30h 45m

$858

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 14/7

22:25-09:50

Nonstop9h 25m

Sydney Kingsford Smith

Thu 24/7

11:30-19:10

Nonstop9h 40m

$873

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 12/8

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Fri 22/8

10:20-18:00

Nonstop9h 40m

$913

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 29/8

12:25-05:55

1 stop15h 30m

Sydney Kingsford Smith

Sat 13/9

07:55-23:00

1 stop17h 05m

$972

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 20/9

21:35-08:40

Nonstop9h 05m

Sydney Kingsford Smith

Sat 4/10

21:50-05:10

Nonstop9h 20m

$1,018

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 27/9

11:20-08:00

1 stop18h 40m

Sydney Kingsford Smith

Tue 7/10

11:10-21:50

1 stop13h 40m

$1,087

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 5/5

12:35-09:20

2 stops18h 45m

Sydney Kingsford Smith

Sun 18/5

11:25-11:35

2 stops26h 10m

$1,286

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 3/6

14:30-08:15

2 stops39h 45m

Sydney Kingsford Smith

Wed 11/6

10:15-17:25

1 stop33h 10m

$1,300

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 27 results
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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 4 April 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, May is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $129). Flying from Hong Kong to Sydney in October is currently the most expensive (average of $171). 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 12 April 2025.

One of the essential ways to save on airfare from Hong Kong to Sydney is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 30% on airfare.

Weekly flight availability from Hong Kong to Sydney

Explore weekly flight availability from Hong Kong to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 April 2025.

The most flights from HKG to SYD are scheduled on a Monday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 on average).

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 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 12 April 2025.
See what other customers who have flown with Asiana Airlines, Singapore Airlines and Fiji Airways from Hong Kong to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

8.0

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Food

8.0

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Food

8.0

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Food

8.0

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Food

8.0

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Food

8.0

Overall

8.2

Comfort

8.0

Boarding

8.3

Crew

8.5

Entertainment

7.7

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

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 25 flights from Hong Kong Intl to Kingsford Smith, all of which are around 8h 55m 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?

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

    Scoot, at $844, was found to be the cheapest airline from Hong Kong to Sydney.Alternate airlines to your destination round-trip include China Eastern and Hong Kong Airlines. Users have found that Scoot is 36% 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 $315. Users have also found prices from $375 and $427 on Cebu Pacific and VietJet Air, 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 MIAT Mongolian(67%), Finnair(64%) or British Airways(64%), 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 $573. On average you can expect to pay $1,056. The most popular route, (Hong Kong Intl - Sydney Kingsford Smith), can usually be booked for $536.

  • 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, May is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $129). Flying from Hong Kong to Sydney in October is currently the most expensive (average of $171). 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 Hong Kong?

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

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 12 April 2025.

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 12 April 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$586Average$683FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Qantas AirwaysCheapest$939Average$1,312FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$992Average$1,399FlexibilityNo 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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