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$194+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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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 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 April 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$342
(Booking.com)

One-way from

$194
(Mytrip)

Popular in

January

Cheapest in

August

Average price

$841

Good round-trip deal

$766 or less

Good one-way deal

$595 or less
Provider with most accurate pricing for Hong Kong Intl-Sydney Kingsford Smith flight deals.
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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
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One-way flight from Hong Kong Intl to Sydney Kingsford Smith
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Highest demand for flights based on searches. 16% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Hong Kong Intl to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Hong Kong Intl to Sydney Kingsford Smith.
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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 April 15, 2025.

This Booking.com deal was found by Cheapflights users on 4/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/147:20 pmHKG - SYD
1 stop22h 10mScoot
Wed 5/2112:50 pmSYD - HKG
1 stop31h 30mScoot
Deal found 4/15$342
This Mytrip deal was found by Cheapflights users on 4/15. 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.
Wed 5/146:30 pmHKG - SYD
1 stop23h 30mMultiple Airlines
Wed 5/2112:50 pmSYD - HKG
2 stops33h 25mMultiple Airlines
Deal found 4/15$407
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/410:25 pmHKG - SYD
Nonstop9h 25mHong Kong Airlines
Mon 10/1312:30 pmSYD - HKG
Nonstop9h 40mHong Kong Airlines
Deal found 4/15$540
This CheapOair deal was found by Cheapflights users on 4/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1511:35 amHKG - SYD
1 stop18h 25mChina Eastern
Tue 5/2011:20 amSYD - HKG
2 stops28h 15mChina Eastern
Deal found 4/15$558
This Gotogate deal was found by Cheapflights users on 4/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:20 pmHKG - SYD
2 stops19h 05mXiamenAir
Tue 11/1112:30 pmSYD - HKG
2 stops25h 50mXiamenAir
Deal found 4/15$587
This Singapore Airlines deal was found by Cheapflights users on 4/15. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/222:25 pmHKG - SYD
1 stop13h 30mSingapore Airlines
Sat 9/611:00 amSYD - HKG
1 stop14h 00mSingapore Airlines
Deal found 4/15$608
This Qantas Airways deal was found by Cheapflights users on 4/15. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:05 pmHKG - SYD
1 stop13h 20mQantas Airways
Mon 9/2210:20 amSYD - HKG
Nonstop9h 40mQantas Airways
Deal found 4/15$609
This Cathay Pacific deal was found by Cheapflights users on 4/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/209:35 pmHKG - SYD
Nonstop9h 05mCathay Pacific
Sun 8/177:40 amSYD - HKG
Nonstop9h 35mCathay Pacific
Deal found 4/15$649
This Philippine Airlines deal was found by Cheapflights users on 4/15. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1811:20 amHKG - SYD
1 stop18h 40mPhilippine Airlines
Fri 8/1510:10 amSYD - HKG
1 stop26h 00mPhilippine Airlines
Deal found 4/15$717
This Garuda Indonesia deal was found by Cheapflights users on 4/15. 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 Garuda Indonesia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/229:30 amHKG - SYD
1 stop22h 15mGaruda Indonesia
Fri 6/1311:45 amSYD - HKG
1 stop20h 00mGaruda Indonesia
Deal found 4/15$804
This Malaysia Airlines deal was found by Cheapflights users on 4/15. 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 Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/188:45 amHKG - SYD
1 stop23h 15mMalaysia Airlines
Sun 8/1710:10 pmSYD - HKG
1 stop17h 05mMalaysia Airlines
Deal found 4/15$814
This T'way Air deal was found by Cheapflights users on 4/15. 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/312:40 amHKG - SYD
1 stop31h 15mT'way Air
Thu 5/1511:40 amSYD - HKG
1 stop37h 35mT'way Air
Deal found 4/15$819

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 April 15, 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

Wed 5/14

7:20 pm-7:30 pm

1 stop22h 10m

Sydney Kingsford Smith

Wed 5/21

12:50 pm-6:20 pm

1 stop31h 30m

$342

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 5/14

6:30 pm-8:00 pm

1 stop23h 30m

Sydney Kingsford Smith

Wed 5/21

12:50 pm-8:15 pm

2 stops33h 25m

$407

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 10/4

10:25 pm-9:50 am

Nonstop9h 25m

Sydney Kingsford Smith

Mon 10/13

12:30 pm-7:10 pm

Nonstop9h 40m

$540

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 5/15

11:35 am-8:00 am

1 stop18h 25m

Sydney Kingsford Smith

Tue 5/20

11:20 am-1:35 pm

2 stops28h 15m

$558

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 8/22

2:25 pm-5:55 am

1 stop13h 30m

Sydney Kingsford Smith

Sat 9/6

11:00 am-11:00 pm

1 stop14h 00m

$608

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 9/14

8:05 pm-11:25 am

1 stop13h 20m

Sydney Kingsford Smith

Mon 9/22

10:20 am-6:00 pm

Nonstop9h 40m

$609

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 6/20

9:35 pm-8:40 am

Nonstop9h 05m

Sydney Kingsford Smith

Sun 8/17

7:40 am-3:15 pm

Nonstop9h 35m

$649

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 6/18

11:20 am-8:00 am

1 stop18h 40m

Sydney Kingsford Smith

Tue 8/19

10:10 am-9:50 pm

1 stop13h 40m

$717

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 9/14

12:35 pm-9:20 am

2 stops18h 45m

Sydney Kingsford Smith

Mon 9/22

11:25 am-11:35 am

2 stops26h 10m

$751

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 5/22

9:30 am-9:45 am

1 stop22h 15m

Sydney Kingsford Smith

Fri 6/13

11:45 am-5:45 am

1 stop20h 00m

$804

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 30 results
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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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
OneTravelPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Hong Kong-Sydney flight deals on Cheapflights vs. eDreams >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 OneTravel the most. OneTravel 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 April 11, 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, February is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $1,046). 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 April 15, 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.

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 April 15, 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 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 April 15, 2025.
Korean Air
8.4
Very good
1,063 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,063 reviews
Korean Air
8.4
Very good
1,063 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
438 reviews
Korean Air
8.4
Very good
1,063 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Garuda Indonesia
8.1
Very good
71 reviews
Korean Air
8.4
Very good
1,063 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very good
1,288 reviews
Korean Air
8.4
Very good
1,063 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Fiji Airways
8.0
Very good
183 reviews
Korean Air
8.4
Very good
1,063 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 24 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 Scoot is currently your cheapest option to Sydney, with prices starting at $342. Additional round-trip tickets that might be worth considering are offered by Hong Kong Airlines and China Eastern, with the lowest prices starting at $540 and $558, respectively. These flights start at 58% 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 $254 on Cebu Pacific. Other airlines that offer cheap prices include Hong Kong Airlines from $310 and T'way Air from $371 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 (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?

    Looking for the cheapest flight from Hong Kong to Sydney? While on average our users pay $743, our data indicates the cheapest price to be $590. 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, February is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of $1,046). 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

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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest$351Average$451FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$546Average$663FlexibilityNo cancel feeOn-time81%
Cathay PacificCheapest$623Average$812FlexibilityNo cancel feeOn-time72%
Qantas AirwaysCheapest$648Average$856FlexibilityNo cancel feeOn-time74%

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