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Cheap flights from Hong Kong to Sydney from HK$2,791

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 10-3. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
12 Feb — 19 Feb1
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 October, booked 38 days in advance, depart on a Tuesday or Thursday and return on a Sunday

Cheap 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 13 January 2026.

Round-trip from

HK$4,521

One-way from

HK$2,791

Popular in

January

Cheapest in

August

Average price

HK$9,355

Good round-trip deal

HK$4,913 or less

Good one-way deal

HK$2,981 or less
Qantas Airways
  • Qantas Airways
  • 7-6-6-9
  • 1 total stop
  • 22h 10m total
  • Hong Kong to Sydney
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10-3
  • 10-3
  • 3 total stops
  • 19h 50m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (HK$12,609 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (HK$2,366 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Hong Kong to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Hong Kong to Sydney Kingsford Smith.
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Find 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 13 January 2026.

Sun 7-620:05
HKG
-
SYD
1 stop12h 25m
Qantas Airways
Sun 6-910:10
SYD
-
HKG
Nonstop9h 45m
Qantas Airways
Deal found 13-1HK$4,521
Mon 23-319:25
HKG
-
SYD
Nonstop9h 30m
Qantas Airways
Mon 27-410:10
SYD
-
HKG
Nonstop9h 45m
Qantas Airways
Deal found 12-1HK$4,529
Sun 30-822:30
HKG
-
SYD
Nonstop9h 30m
Hong Kong Airlines
Sun 13-911:30
SYD
-
HKG
Nonstop9h 40m
Hong Kong Airlines
Deal found 10-1HK$4,537
Sat 6-620:05
HKG
-
SYD
1 stop14h 10m
Qantas Airways
Sun 6-906:25
SYD
-
HKG
1 stop13h 30m
Qantas Airways
Deal found 12-1HK$4,545
Mon 16-319:25
HKG
-
SYD
Nonstop9h 30m
Qantas Airways
Mon 20-410:10
SYD
-
HKG
Nonstop9h 45m
Qantas Airways
Deal found 11-1HK$4,553
Thu 14-514:30
HKG
-
SYD
1 stop19h 45m
Vietnam Airlines
Sun 17-510:15
SYD
-
HKG
1 stop33h 10m
Vietnam Airlines
Deal found 11-1HK$4,560
Tue 20-118:15
HKG
-
SYD
1 stop23h 20m
Multiple Airlines
Sat 24-121:50
SYD
-
HKG
1 stop16h 25m
Multiple Airlines
Deal found 13-1HK$4,568
Mon 23-218:15
HKG
-
SYD
1 stop23h 20m
Multiple Airlines
Sun 1-312:35
SYD
-
HKG
Nonstop9h 50m
Multiple Airlines
Deal found 12-1HK$4,584
Sat 21-218:15
HKG
-
SYD
1 stop23h 20m
Multiple Airlines
Sat 28-212:15
SYD
-
HKG
1 stop13h 50m
Multiple Airlines
Deal found 13-1HK$4,592
Sat 7-316:25
HKG
-
SYD
1 stop16h 55m
Multiple Airlines
Mon 30-317:25
SYD
-
HKG
2 stops27h 30m
Multiple Airlines
Deal found 12-1HK$4,599
Tue 28-409:25
HKG
-
SYD
1 stop22h 20m
宿霧太平洋航空
Tue 12-512:15
SYD
-
HKG
1 stop31h 55m
宿霧太平洋航空
Deal found 12-1HK$4,607

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 70,647 searches. Data last updated 13 January 2026.
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

Departure

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 14-5

14:30-12:15

1 stop19h 45m

Sydney Kingsford Smith

Sun 17-5

10:15-17:25

1 stop33h 10m

HK$4,560

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 14-5

19:30-06:45

Nonstop9h 15m

Sydney Kingsford Smith

Sun 17-5

10:10-17:55

Nonstop9h 45m

HK$4,685

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 12-3

19:25-07:55

Nonstop9h 30m

Sydney Kingsford Smith

Sat 30-5

10:10-17:55

Nonstop9h 45m

HK$4,685

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 7-6

20:05-12:15

1 stop14h 10m

Sydney Kingsford Smith

Sun 6-9

10:10-17:55

Nonstop9h 45m

HK$4,716

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 14-5

19:10-06:10

Nonstop9h 00m

Sydney Kingsford Smith

Sun 17-5

07:40-15:15

Nonstop9h 35m

HK$5,075

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 13-4

18:40-19:35

2 stops22h 55m

HK$2,806

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 20-1

18:15-20:35

1 stop23h 20m

HK$2,970

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 12-2

07:40-09:15

2 stops22h 35m

HK$3,032

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 11-4

18:30-11:45

3 stops39h 15m

HK$3,064

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 12-5

22:30-10:00

Nonstop9h 30m

HK$3,087

Flights are sorted by cheapest return flights first.

Deals found on 12-1

Showing 1-10 of 14 results
1
2

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 9 January 2026.

The best time to book flights from Hong Kong to Sydney is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 HK$3,196). Flying from Hong Kong to Sydney in January is currently the most expensive (average of HK$5,106). 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 13 January 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.

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 13 January 2026.

The most flights from HK0 to SYD are scheduled on a Monday (28 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (27 on average).

How often are flights from Hong Kong to Sydney delayed?

About 35% of weekly flights between Hong Kong and Sydney have experienced delays in the past year, with the average delay time being 117 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 Sunday 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 19% 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 13 January 2026.
Read reviews from past customers who have flown with Singapore Airlines, Cathay Pacific, andQantas Airways from Hong Kong to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Singapore Airlines
8.1
Very Good
1,431 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Cathay Pacific
7.6
Good
1,130 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Qantas Airways
7.5
Good
969 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Scoot
6.7
Okay
313 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Hong Kong Airlines
5.8
Fair
26 reviews
Singapore Airlines
8.1
Very Good
1,431 reviews
Check prices

Overall

8.1

Comfort

8.0

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

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?

    If you book a flight to Sydney from Hong Kong, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney.

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

    This flight path from Hong Kong to Sydney Kingsford Smith was viewed by 1,200 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from Hong Kong to Sydney can take about 19h 45m. Vietnam Airlines provides one of the quickest options available for as low as HK$4,560. There are 7387 km between Hong Kong and Sydney.

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

    Scoot, at HK$2,624, was found to be the cheapest airline from Hong Kong to Sydney.Alternate airlines to your destination round-trip include Hong Kong Airlines and Hainan Airlines. You may be able to fly from Hong Kong to Sydney for 56% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Scoot, which is currently one of the cheapest options available, starting at HK$1,299. 宿霧太平洋航空 flights start at HK$1,478 while deals on Hainan Airlines start at HK$1,815 one-way.

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

    Before booking your flight to Sydney from Hong Kong, have a look at the most reliable airlines to get you to your destination on time: Lufthansa (95%), Hong Kong Airlines (94%), Turkish Airlines( 94%).

  • 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 HK$8,964, our data indicates the cheapest price to be HK$2,713. The most popular route (Hong Kong Intl - Sydney Kingsford Smith), is priced around HK$2,799.

  • 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, March is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of HK$3,196). Flying from Hong Kong to Sydney in January is currently the most expensive (average of HK$5,106). 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
Bondi Beach
Penrith

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hong Kong to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Sydney flights
Hong Kong to Coolangatta flights

Top 7 airlines flying from Hong Kong to Sydney

Discover the top 7 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 70,647 searches. Data last updated 13 January 2026.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapestHK$2,636AverageHK$3,242FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Hong Kong AirlinesCheapestHK$3,405AverageHK$4,528FlexibilityNo cancel feeOn-time65%
Search Hong Kong Airlines flights
Hainan AirlinesCheapestHK$4,002AverageHK$4,570FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Singapore AirlinesCheapestHK$4,109AverageHK$5,053FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Qantas AirwaysCheapestHK$4,286AverageHK$5,787FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapestHK$4,598AverageHK$6,427FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Philippine AirlinesCheapestHK$5,269AverageHK$7,033FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines 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?

Cheapflights helps you search for flights from Hong Kong to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Sydney for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Hong Kong to Sydney with no change fees.

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

Of course! You can now track prices for flights from Hong Kong to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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