$202 Cheap Flights from Hong Kong (HKG) to Sydney (SYD)

Popular airlines from Hong Kong International Airport (HKG) to Sydney Airport (SYD)

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Cheap Flights from Hong Kong to Sydney (HKG-SYD)

Prices were available within the past 7 days and start at $202 for one-way flights and $415 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Hainan Airlines
Vietnam Airlines
Singapore Airlines
Philippine Airlines
China Eastern Airlines
Sichuan Airlines
Qantas Airways
Cathay Pacific
Vietjet Air

Find the cheapest month to fly from Chek Lap Kok (HKG) to Sydney (SYD)

May is typically the cheapest month to fly

From $341 - $583 per traveler.

Graph displaying average flight prices per month

Flights from Hong Kong (HKG) to Sydney (SYD)
Origin airport
Hong Kong Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
APG Distribution System, Air China, Air New Zealand, All Nippon Airways, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, Garuda Indonesia, Hong Kong Airlines, Korean Air, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Sichuan Airlines, Singapore Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines
Roundtrip price
$415
Distance
4592 mi
Average flight time
11 hours 6 mins

Hong Kong to Sydney Flights

The cheapest times to fly from Hong Kong to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hong Kong to Sydney are during the month of August. You can find some of the cheapest flights from Hong Kong to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hong Kong to Sydney

Sunday is one of the best days to book for cheap flights from Hong Kong to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hong Kong to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hong Kong to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $202 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hong Kong to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hong Kong to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD) cost?
Grab cheap return flights starting at $681 from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Qantas Airways flight leaving HKG on July 5 2025 and touching down at SYD. The price was last updated on July 2 2025 and has not changed since.
What is the cheapest month to fly from HKG to SYD?
The cheapest flights from HKG to SYD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD)?
Board a direct flight with Cathay Pacific and travel straight from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD).
What is the cheapest airline that flies from HKG to SYD?
With tickets starting at $536 for a one-way flight from HKG to SYD, Qantas Airways is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HKG on July 8 2025. Prices were last updated on July 2 2025 and have not changed since.
How many flights per day from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD)?
Each day on average, 5 nonstop flights take off from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD). Choose the departure time that best fits your schedule.
What are the most popular departure times for flights from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD)?
Flights between HKG and SYD are busiest at 7 PM. For a more relaxed trip and potentially cheaper prices, choose a time outside the usual busy windows.
What day of the week has the most flights from HKG to SYD?
Travel on a Friday if you're searching for the best choice of flights from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD).
What is the earliest flight from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD)?
Hong Kong Intl. Airport (HKG)'s first flight to Kingsford Smith Intl. Airport (SYD) takes off at approximately 8:45AM UTC+8. With a travel duration of 9h 5m, you'll touch down at around 8:50PM UTC+11.
How long does it take to fly from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD)?
It takes roughly 9 hours and 7 minutes to travel the 4,600 mi from HKG to SYD.
What airline has the least delays from HKG to SYD?
With 80% of flights generally landing on schedule, Virgin Australia has the best on-time performance for direct flights from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD). To keep track of your flight status and get notifications if anything changes, head to the Expedia App.
What is the best time to fly from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD)?
Select a flight from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Sydney from Hong Kong Intl. Airport (HKG)?
If you're on a direct flight from Hong Kong Intl. Airport (HKG) to Sydney, Kingsford Smith Intl. Airport (SYD) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD) last-minute?
Last-minute bookings from HKG to SYD are usually more expensive. To secure the lowest rates, start searching for flights ahead of time. That said, if you're flexible with your travel plans, you may land a cheap ticket just before your departure.
Is it cheaper to book a HKG to SYD flight and hotel package?
Compared with arranging hotels and flights separately, booking a HKG to SYD flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of planning your trip. Simply secure your flights and select from our extensive range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Hong Kong Intl. Airport (HKG) to Kingsford Smith Intl. Airport (SYD)?
Usually, it's possible to reschedule or cancel your HKG to SYD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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