A sunset over Sydney's skyline, including the Sydney Opera House and Harbour Bridge.

฿8,773 Cheap Flights from Hong Kong (HKG) to Sydney (SYD)

View ฿8,773 flight on Thu, 22 Oct 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿8,773 for one-way flights and ฿17,622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

AirAsia
Mon, 26 Oct - Mon, 2 Nov
HKG
Hong Kong SAR
SYD
Sydney
฿17,622 Return, found 4 days ago
฿17,622
Return
found 4 days ago
Select AirAsia flight, departing Mon, 26 Oct from Hong Kong SAR to Sydney, returning Mon, 2 Nov, priced at ฿17,622 found 4 days ago
Scoot
Tue, 27 Oct - Tue, 3 Nov
HKG
Hong Kong SAR
SYD
Sydney
฿17,624 Return, found 4 days ago
฿17,624
Return
found 4 days ago
Select Scoot flight, departing Tue, 27 Oct from Hong Kong SAR to Sydney, returning Tue, 3 Nov, priced at ฿17,624 found 4 days ago
Vietnam Airlines
Sun, 6 Sept - Sat, 12 Sept
HKG
Hong Kong SAR
SYD
Sydney
฿20,820 Return, found 3 days ago
฿20,820
Return
found 3 days ago
Select Vietnam Airlines flight, departing Sun, 6 Sept from Hong Kong SAR to Sydney, returning Sat, 12 Sept, priced at ฿20,820 found 3 days ago
Cathay Pacific
Sun, 15 Nov - Mon, 23 Nov
HKG
Hong Kong SAR
SYD
Sydney
฿23,150 Return, found 18 hours ago
฿23,150
Return
found 18 hours ago
Select Cathay Pacific flight, departing Sun, 15 Nov from Hong Kong SAR to Sydney, returning Mon, 23 Nov, priced at ฿23,150 found 18 hours ago
Batik air
Sat, 4 Jul - Mon, 13 Jul
HKG
Hong Kong SAR
SYD
Sydney
฿25,520 Return, found 1 day ago
฿25,520
Return
found 1 day ago
Select Batik air flight, departing Sat, 4 Jul from Hong Kong SAR to Sydney, returning Mon, 13 Jul, priced at ฿25,520 found 1 day ago
Garuda Indonesia
Tue, 27 Oct - Tue, 3 Nov
HKG
Hong Kong SAR
SYD
Sydney
฿25,847 Return, found 4 days ago
฿25,847
Return
found 4 days ago
Select Garuda Indonesia flight, departing Tue, 27 Oct from Hong Kong SAR to Sydney, returning Tue, 3 Nov, priced at ฿25,847 found 4 days ago
Qantas Airways
Sun, 6 Sept - Sat, 12 Sept
HKG
Hong Kong SAR
SYD
Sydney
฿26,535 Return, found 3 days ago
฿26,535
Return
found 3 days ago
Select Qantas Airways flight, departing Sun, 6 Sept from Hong Kong SAR to Sydney, returning Sat, 12 Sept, priced at ฿26,535 found 3 days ago
Sichuan Airlines
Tue, 27 Oct - Tue, 3 Nov
HKG
Hong Kong SAR
SYD
Sydney
฿26,655 Return, found 4 days ago
฿26,655
Return
found 4 days ago
Select Sichuan Airlines flight, departing Tue, 27 Oct from Hong Kong SAR to Sydney, returning Tue, 3 Nov, priced at ฿26,655 found 4 days ago
Hong Kong Airlines
Thu, 22 Oct - Thu, 12 Nov
HKG
Hong Kong SAR
SYD
Sydney
฿28,550 Return, found 4 days ago
฿28,550
Return
found 4 days ago
Select Hong Kong Airlines flight, departing Thu, 22 Oct from Hong Kong SAR to Sydney, returning Thu, 12 Nov, priced at ฿28,550 found 4 days ago
Philippine Airlines
Sat, 17 Apr - Wed, 21 Apr
HKG
Hong Kong SAR
SYD
Sydney
฿29,730 Return, found 3 hours ago
฿29,730
Return
found 3 hours ago
Select Philippine Airlines flight, departing Sat, 17 Apr from Hong Kong SAR to Sydney, returning Wed, 21 Apr, priced at ฿29,730 found 3 hours ago

Find the cheapest month to fly from Hong Kong SAR (HKG) to Sydney (SYD)

March is typically the cheapest month to fly

From ฿16,066 - ฿30,617 per traveller.

Frequently asked questions

How much is a flight from Chek Lap Kok Intl. Airport to SYD?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip flights from HKG to Kingsford Smith Intl. Airport (SYD) start from ฿17,622. Make your booking ASAP to secure the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from HKG to Mascot Airport?
We get that life can throw the odd curveball, so we've made it as hassle-free as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from HKG to SYD that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Chek Lap Kok Intl. Airport to Mascot Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Hong Kong Intl. Airport (HKG) to Sydney Airport?
With around 7,400 kilometres separating Chek Lap Kok and Sydney, your flight will be a long one. Pack wisely and make your time on board more comfortable. Things like a spare pair of socks and some noise-cancelling headphones can make all the difference.
Which airlines fly direct from HKG to SYD?
Cathay Pacific (CX) will fly you from HKG to Sydney Airport comfortably and reliably. Choose from 121 flights each month along this route.
Are HKG to SYD flight tickets cheaper when they're purchased at the last minute?
Booking last minute from Chek Lap Kok Intl. Airport to Kingsford Smith Intl. Airport (SYD) can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out altogether! If you'd rather start planning your trip ahead of time, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines publish their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

Travel information

Origin airport
Hong Kong Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, American Airlines, Asiana Airlines, Batik air , Cathay Pacific, China Airlines, Fiji Airways, Hahn Air Systems, Hong Kong Airlines, Korean Air, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Singapore Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines
Return price
฿17,621
Distance
7348 km
Average flight time
11 hours 9 mins

Book with confidence

Perfect flights from Hong Kong to Sydney

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Hong Kong to Sydney. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Hong Kong Intl. to Kingsford Smith Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿8,773 and roundtrip prices from ฿17,622. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Kingsford Smith Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Sydney.
Perfect flights from Hong Kong to Sydney
*Available to Expedia members.