£149 Cheap Flights from Hong Kong (HKG) to Sydney (SYD)

View £149 flight on Sat, 13 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £149 for one-way flights and £304 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scoot
Thu, 11 Sep - Thu, 18 Sep
HKG
Hong Kong SAR
SYD
Sydney
£304 Return, found 1 day ago
£304
Return
found 1 day ago
Select Scoot flight, departing Thu, 11 Sep from Hong Kong SAR to Sydney, returning Thu, 18 Sep, priced at £304 found 1 day ago
Hainan Airlines
Mon, 25 Aug - Sat, 13 Sep
HKG
Hong Kong SAR
SYD
Sydney
£393 Return, just found
£393
Return
just found
Select Hainan Airlines flight, departing Mon, 25 Aug from Hong Kong SAR to Sydney, returning Sat, 13 Sep, priced at £393 just found
Vietnam Airlines
Sun, 17 Aug - Sat, 30 Aug
HKG
Hong Kong SAR
SYD
Sydney
£420 Return, found 2 days ago
£420
Return
found 2 days ago
Select Vietnam Airlines flight, departing Sun, 17 Aug from Hong Kong SAR to Sydney, returning Sat, 30 Aug, priced at £420 found 2 days ago
Cathay Pacific
Fri, 29 Aug - Sat, 6 Sep
HKG
Hong Kong SAR
SYD
Sydney
£428 Return, found 1 hour ago
£428
Return
found 1 hour ago
Select Cathay Pacific flight, departing Fri, 29 Aug from Hong Kong SAR to Sydney, returning Sat, 6 Sep, priced at £428 found 1 hour ago
Hong Kong Airlines
Tue, 25 Nov - Wed, 3 Dec
HKG
Hong Kong SAR
SYD
Sydney
£434 Return, found 1 hour ago
£434
Return
found 1 hour ago
Select Hong Kong Airlines flight, departing Tue, 25 Nov from Hong Kong SAR to Sydney, returning Wed, 3 Dec, priced at £434 found 1 hour ago
Singapore Airlines
Thu, 5 Mar - Tue, 10 Mar
HKG
Hong Kong SAR
SYD
Sydney
£440 Return, found 4 days ago
£440
Return
found 4 days ago
Select Singapore Airlines flight, departing Thu, 5 Mar from Hong Kong SAR to Sydney, returning Tue, 10 Mar, priced at £440 found 4 days ago
Philippine Airlines
Sat, 2 Aug - Mon, 4 Aug
HKG
Hong Kong SAR
SYD
Sydney
£454 Return, found 5 hours ago
£454
Return
found 5 hours ago
Select Philippine Airlines flight, departing Sat, 2 Aug from Hong Kong SAR to Sydney, returning Mon, 4 Aug, priced at £454 found 5 hours ago
Sichuan Airlines
Wed, 27 Aug - Wed, 3 Sep
HKG
Hong Kong SAR
SYD
Sydney
£473 Return, found 4 days ago
£473
Return
found 4 days ago
Select Sichuan Airlines flight, departing Wed, 27 Aug from Hong Kong SAR to Sydney, returning Wed, 3 Sep, priced at £473 found 4 days ago
Xiamen Airlines
Thu, 21 Aug - Wed, 27 Aug
HKG
Hong Kong SAR
SYD
Sydney
£480 Return, found 5 days ago
£480
Return
found 5 days ago
Select Xiamen Airlines flight, departing Thu, 21 Aug from Hong Kong SAR to Sydney, returning Wed, 27 Aug, priced at £480 found 5 days ago
China Eastern Airlines
Mon, 25 Aug - Wed, 24 Sep
HKG
Hong Kong SAR
SYD
Sydney
£494 Return, found 1 hour ago
£494
Return
found 1 hour ago
Select China Eastern Airlines flight, departing Mon, 25 Aug from Hong Kong SAR to Sydney, returning Wed, 24 Sep, priced at £494 found 1 hour ago

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

May is typically the cheapest month to fly

From £248 - £424 per traveller.

Graph displaying average flight prices per month

Flight from Hong Kong to Sydney route information
Origin airport
Hong Kong Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
APG Distribution System, Air China, All Nippon Airways, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, FlexFlight, Garuda Indonesia, Hahn Air Systems, Korean Air, Malaysia Airlines, Philippine Airlines, Qantas Airways, Scoot, Sichuan Airlines, Singapore Airlines, Thai Airways International, Vietjet Air, Vietnam Airlines
Return price
£303
Distance
7348 km
Average flight time
11 hours 6 mins

Compare flights from Hong Kong to Sydney easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Hong Kong to Sydney. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kingsford Smith Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Hong Kong Intl. to Kingsford Smith Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Hong Kong Intl. (HKG) to Kingsford Smith Intl. (SYD)

The easiest way to view the best deals on flights from Hong Kong to Sydney today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Hong Kong Intl. to Kingsford Smith Intl. start at just £304 and range up to £494.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Hong Kong and Sydney
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Hong Kong to Sydney flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Hong Kong Intl. to Kingsford Smith Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £304. 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.

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