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 19/12. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
19 Sep — 26 Sep1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to Sydney Kingsford Smith are usually found in March or May, booked 51 days in advance, depart on a Thursday or Sunday and return on a Sunday
Cheap flight deals from Hong Kong to Sydney
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One-way
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 20 August 2026.
Mon 16/1116:40 -
1 stop16h 30m
Fri 20/1112:15 -
1 stop13h 55m
Deal found 20/8£394
Thu 22/1020:45 -
1 stop20h 35m
Thu 29/1013:25 -
2 stops25h 55m
Deal found 20/8£396
Thu 5/1116:40 -
1 stop23h 10m
Wed 11/1113:25 -
2 stops25h 55m
Deal found 17/8£403
Mon 2/1116:40 -
1 stop16h 30m
Sun 15/1113:25 -
2 stops33h 55m
Deal found 18/8£404
Thu 3/920:45 -
1 stop20h 35m
Sun 6/920:35 -
1 stop25h 10m
Deal found 18/8£406
Sat 26/1209:25 -
1 stop22h 20m
Mon 11/121:50 -
1 stop22h 40m
Deal found 16/8£424
Thu 3/920:45 -
1 stop20h 35m
Sun 13/911:25 -
2 stops31h 45m
Deal found 17/8£430
Tue 25/822:05 -
Nonstop9h 30m
Wed 16/911:05 -
Nonstop10h 05m
Deal found 19/8£432
Thu 3/914:30 -
1 stop19h 45m
Mon 14/910:15 -
1 stop33h 10m
Deal found 17/8£445
Thu 3/920:45 -
1 stop20h 35m
Sun 6/920:35 -
2 stops25h 45m
Deal found 18/8£447
Thu 15/1011:55 -
1 stop18h 25m
Mon 19/1021:50 -
1 stop16h 25m
Deal found 19/8£457
Best flights from Hong Kong to Sydney
Discover carefully curated flight deals from Hong Kong to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.
Mon 26/1019:50 -
1 stop35h 10m
Wed 28/1012:05 -
1 stop33h 45m
Deal found 18/8£530
Sun 20/911:55 -
1 stop29h 40m
Mon 19/1021:50 -
1 stop16h 25m
Deal found 16/8£530
Mon 26/1021:20 -
Nonstop9h 15m
Wed 28/1008:45 -
Nonstop9h 20m
Deal found 18/8£587
Tue 15/919:30 -
Nonstop9h 15m
Mon 21/910:10 -
Nonstop9h 45m
Deal found 17/8£601
Wed 30/1222:25 -
Nonstop9h 40m
Sun 10/112:35 -
Nonstop10h 00m
Deal found 18/8£617
Sun 20/919:05 -
Nonstop9h 05m
Mon 19/1011:10 -
Nonstop9h 35m
Deal found 16/8£602
Wed 28/1019:50 -
1 stop35h 10m
Sun 1/1112:05 -
1 stop33h 45m
Deal found 17/8£633
Wed 28/1021:20 -
Nonstop9h 15m
Sun 1/1122:20 -
Nonstop9h 00m
Deal found 15/8£628
Direct flights from Hong Kong to Sydney
Explore direct flight options from Hong Kong to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 August 2026.
Sat 5/922:05 -
Nonstop9h 30m
Wed 16/911:05 -
Nonstop10h 05m
Deal found 18/8£481
Tue 29/1222:25 -
Nonstop9h 40m
Sun 10/112:35 -
Nonstop10h 00m
Deal found 17/8£482
Sat 26/1222:25 -
Nonstop9h 40m
Mon 11/112:35 -
Nonstop10h 00m
Deal found 16/8£506
Tue 29/1222:25 -
Nonstop9h 40m
Thu 7/112:35 -
Nonstop10h 00m
Deal found 15/8£510
Wed 14/1022:05 -
Nonstop9h 30m
Thu 29/1012:35 -
Nonstop10h 00m
Deal found 17/8£557
Tue 15/922:05 -
Nonstop9h 30m
Mon 22/212:35 -
Nonstop10h 00m
Deal found 18/8£558
Thu 22/1022:05 -
Nonstop9h 30m
Thu 29/1012:35 -
Nonstop10h 00m
Deal found 20/8£561
Mon 12/1021:35 -
Nonstop9h 05m
Wed 14/1008:40 -
Nonstop9h 30m
Deal found 17/8£563
Mon 5/1022:05 -
Nonstop9h 30m
Wed 14/1012:05 -
Nonstop10h 05m
Deal found 19/8£565
Sun 6/1222:25 -
Nonstop9h 40m
Wed 9/1212:35 -
Nonstop10h 00m
Deal found 19/8£568
Wed 16/919:30 -
Nonstop9h 15m
Mon 21/910:10 -
Nonstop9h 45m
Deal found 17/8£569
Last-minute flights from Hong Kong to Sydney
Discover last-minute flight deals from Hong Kong to Sydney. Data last updated 20 August 2026 and is based on user searches.
Sat 22/811:55 -
1 stop18h 25m
Sun 30/809:45 -
1 stop27h 30m
Deal found 18/8£494
Sun 23/822:05 -
Nonstop9h 40m
Sun 6/911:05 -
Nonstop10h 05m
Deal found 17/8£467
Tue 25/822:05 -
Nonstop9h 30m
Wed 16/911:05 -
Nonstop10h 05m
Deal found 19/8£432
Thu 3/920:45 -
1 stop20h 35m
Sun 6/920:35 -
1 stop25h 10m
Deal found 18/8£406
Thu 3/920:45 -
1 stop20h 35m
Sun 13/911:25 -
2 stops31h 45m
Deal found 17/8£430
Thu 3/914:30 -
1 stop19h 45m
Mon 14/910:15 -
1 stop33h 10m
Deal found 17/8£445
Thu 3/920:45 -
1 stop20h 35m
Sun 6/920:35 -
2 stops25h 45m
Deal found 18/8£447
Thu 3/911:55 -
1 stop18h 25m
Mon 14/920:50 -
1 stop16h 25m
Deal found 20/8£483
Sat 5/922:05 -
Nonstop9h 30m
Wed 16/911:05 -
Nonstop10h 05m
Deal found 18/8£481
One-way flights from Hong Kong to Sydney
Search for one-way flight options from Hong Kong to Sydney. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.
Sat 19/1214:00 -
1 stop17h 45m
Deal found 20/8£230
Sat 26/1211:00 -
1 stop20h 45m
Deal found 16/8£233
Tue 15/914:30 -
1 stop19h 45m
Deal found 20/8£240
Wed 18/1118:40 -
2 stops21h 10m
Deal found 19/8£245
Mon 2/1118:45 -
2 stops21h 05m
Deal found 20/8£250
Thu 3/918:40 -
2 stops22h 40m
Deal found 16/8£252
Sat 5/911:55 -
1 stop18h 25m
Deal found 17/8£272
Tue 25/822:05 -
Nonstop9h 30m
Deal found 16/8£286
Wed 18/1122:25 -
Nonstop9h 40m
Deal found 19/8£288
Fri 4/918:30 -
2 stops22h 50m
Deal found 17/8£292
Find 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 20 August 2026.
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 7,457,451 searches. Data last updated 20 August 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 Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Mon 26/10
19:50-10:00
1 stop35h 10m
Sydney Kingsford Smith
Wed 28/10
12:05-18:50
1 stop33h 45m
£530
Hong KongSydney
HKG Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Sun 20/9
11:55-19:35
1 stop29h 40m
Sydney Kingsford Smith
Mon 19/10
21:50-11:15
1 stop16h 25m
£530
Hong KongSydney
HKG Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Mon 26/10
21:20-09:35
Nonstop9h 15m
Sydney Kingsford Smith
Wed 28/10
08:45-15:05
Nonstop9h 20m
£587
Hong KongSydney
HKG Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Tue 15/9
19:30-06:45
Nonstop9h 15m
Sydney Kingsford Smith
Mon 21/9
10:10-17:55
Nonstop9h 45m
£601
Hong KongSydney
HKG Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Sun 20/9
19:05-06:10
Nonstop9h 05m
Sydney Kingsford Smith
Mon 19/10
11:10-17:45
Nonstop9h 35m
£602
Hong KongSydney
HKG Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Wed 30/12
22:25-11:05
Nonstop9h 40m
Sydney Kingsford Smith
Sun 10/1
12:35-19:35
Nonstop10h 00m
£617
Fastest return journey
Hong KongSydney
HKG Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Wed 28/10
21:20-09:35
Nonstop9h 15m
Sydney Kingsford Smith
Sun 1/11
22:20-04:20
Nonstop9h 00m
£628
Hong KongSydney
HKG Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Wed 28/10
19:50-10:00
1 stop35h 10m
Sydney Kingsford Smith
Sun 1/11
12:05-18:50
1 stop33h 45m
£633
Cheapest one-way
Hong KongSydney
HKG Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Wed 16/12
22:25-11:05
Nonstop9h 40m
£286
Hong KongSydney
HKG Hong Kong Intl - SYD Sydney Kingsford Smith
HKGSYD
Hong Kong Intl
Wed 18/11
22:25-11:05
Nonstop9h 40m
£287
Flights are sorted by cheapest return flights first.
Deals found on 17/8
Showing 1-10 of 18 resultsSorted by cheapest first
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.
HKG-SYD
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
Prices
Airlines
Delays
How far ahead should I book a flight from Hong Kong to Sydney?
The best time to book flights from Hong Kong to Sydney is 50 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 £454). Flying from Hong Kong to Sydney in January is currently the most expensive (average of £711). 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 20 August 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to Sydney as you normally would.
How much does it cost for a return flight from Hong Kong to Sydney?
Airfare is below average for this route at the moment.
Hong Kong to Sydney flights typically cost between £452 and £675 in November.The cheapest return price found within the last 5 days was £394 on Multiple Airlines (16 Nov–20 Nov).
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 20 August 2026.
The most flights from HKG to SYD are scheduled on a Wednesday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).
How often are flights from Hong Kong to Sydney delayed?
About 31% of weekly flights between Hong Kong and Sydney have experienced delays in the past year, with the average delay time being 128 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 20 August 2026.
See what other customers who have flown with Cathay Pacific and Qantas 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.
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.
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.
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 airports do I use to fly from Hong Kong to Sydney?
You will need to book a flight from Hong Kong Intl to Sydney Kingsford Smith if you want to fly from Hong Kong to Sydney. At least 2 different airlines have flights from Hong Kong Intl (HKG) to Kingsford Smith (SYD) on a regular basis. There are 22 flights to Sydney from the Hong Kong airport per day. If you manage to book one that is nonstop, then you can expect the flight time from HKG to SYD to be around 9h 05m.
How popular is this Hong Kong to Sydney flight route?
The Hong Kong Intl to Sydney Kingsford Smith flight path was viewed by 19 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 9h 15m. VietJet Air provides one of the quickest options available for as low as £587. There are 4590 mi between Hong Kong and Sydney. 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?
Currently priced at £416, Qantas Airways will fly you from Hong Kong to Sydney and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Cathay Pacific for as low as £441. Users have found that Qantas Airways is 25% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Hong Kong to Sydney one-way?
To fly one-way, consider booking your trip with Hong Kong Airlines, which is currently one of the cheapest options available, starting at £225. Qantas Airways flights start at £238 while deals on Cathay Pacific start at £421 one-way.
What are the most reliable airlines from Hong Kong to Sydney?
Before booking your flight to Sydney from Hong Kong, check out the most reliable airlines to get you to your destination on time: Hong Kong Airlines (68%), Turkish Airlines (68%), MIAT Mongolian( 60%).
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 £715, our data indicates the cheapest price to be £363. The most popular route (Hong Kong Intl - Sydney Kingsford Smith), is priced around £258.
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 £454). Flying from Hong Kong to Sydney in January is currently the most expensive (average of £711). 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.
Browse through other flights departing from Hong Kong. Flights are based on user searches made on Cheapflights and were last updated on 20 August 2026.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 August 2026.
Discover the top 2 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 7,457,451 searches. Data last updated 20 August 2026.
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?
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?
Not ready to book yet? You can track prices for flights from Hong Kong to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.
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