Cheap flights from Hong Kong Intl to Sydney

Compare Hong Kong Intl to Sydney flight deals

Find the cheapest month or even day of the year to fly to Sydney

Book the best Sydney fare with no extra fees

Flight deals from Hong Kong Intl to Sydney

Looking for a cheap last-minute deal or the best return flight from Hong Kong Intl Airport to Sydney? If you want to travel next month, return fares start from $703. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Hong Kong Intl to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hong Kong Intl to Sydney flights are currently cheapest in September.

Direct flights from Hong Kong Intl to Sydney

Alternative Hong Kong Intl to Sydney routes

Looking for the cheapest, fastest or easiest route from Hong Kong Intl to Sydney? You could fly into the following airports instead.

Hong Kong to Sydney: Flight information

The things to know before you go.
Cheapest flight found$239
Cheapest month to flySeptember
Average flight time9 hrs, 12 mins
Most popular airlineCathay Pacific
Average flights per week189

Finding cheap flights from Hong Kong Intl to Sydney: Frequently asked questions

There are 2 airports in Sydney: Sydney and Wollongong.
The best price we found for a return flight from Hong Kong Intl to Sydney is $609. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
9 hours and 12 minutes is the average flight time from Hong Kong Intl to Sydney.
Cathay Pacific, British Airways and Finnair fly direct from Hong Kong Intl to Sydney.
As of May 2026, there are 189 flights per week flying from Hong Kong Intl to Sydney.
The cheapest month to fly from Hong Kong Intl to Sydney is usually June.
If you're flying from Hong Kong Intl Airport, the cheapest airport near Sydney is Sydney – which is 8.5 km away from the centre of Sydney. We've found flights into this airport from $609.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hong Kong Intl Airport to Sydney on Thursday, 25 June 2026.
Yes – the average flight time is 9 hours and 12 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sydney but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 15°C. February is typically the warmest month in Sydney, when it usually averages around 27°C. You can expect the least rain in September. The coldest month is July, with temperatures averaging 7°C. The rainiest month is February.
Currently, Scoot and Hong Kong Airlines offer the cheapest flight tickets to Sydney.

How to find cheap flights from Hong Kong Intl to Sydney

Looking for cheap air tickets from Hong Kong Intl to Sydney? Here are a few tips on how to score the best price and make your journey as smooth as possible.

  • Simply hit 'search'. From Singapore Airlines to Emirates, we've compared plane tickets from all major online travel agents and airlines flying Hong Kong Intl-Sydney to find the cheapest flights. And with us, there are no hidden fees – what you see is what you pay.
  • Flex your dates to secure the best air ticket price for your Hong Kong Intl-Sydney flight. If your travel dates are flexible, use Skyscanner's "Whole month" tool to find the cheapest time to fly toSydney from Hong Kong Intl.
  • Stay One Step Ahead with Price Alerts. Never miss a deal! Set up a Price Alert for Hong Kong Intl to Sydney by creating an alert. Whenever prices go down or up, you'll get a push notification or email to help you get the best flight deal.
  • Look for direct flights. Only interested in direct flights between Hong Kong Intl and Sydney? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available, these will appear in the results.
  • Include nearby airports in your search. Widen your search for Hong Kong Intl to Sydney flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save on your next trip.
  • Find the cheapest Business Class flights from Hong Kong Intl to Sydney. We scour the Internet for the best Business, Premium Economy, and First Class flight fares for Hong Kong Intl-Sydney, too. Check the difference in price as you search – you might just stumble on a last-minute low fare.
  • Search for cheap flights when out and about. To get the best flight booking experience on the go, download our app and search for flight tickets from Hong Kong Intl to Sydney wherever you are.

Book air tickets from Hong Kong Intl to Sydney with peace of mind

  • Find flexible flights for Hong Kong Intl to Sydney Your airline might be offering flexible plane tickets to Sydney, which means you won't lose out if your flight has to be changed or cancelled.
  • Add travel cost protection. Avoid travel pitfalls and choose travel cost protection - it's available at the checkout as you book your Hong Kong Intl-Sydney flight with us.
  • Reduce your carbon footprint by selecting a greener Hong Kong Intl-Sydney flight option. To check whether there are any lower emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box which will be available once you have moved on from this page.

Combine your flight to Sydney with hotels and car rental

Once you've secured your cheap flight ticket for Hong Kong Intl-Sydney, discover the best prices and exclusive rates for hotels in Sydney or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip..

Not Sure About Sydney? Explore “Everywhere”

If you're still exploring destinations, use Skyscanner’s “Everywhere” search feature to see the cheapest places to fly from your location. You might just find an irresistible deal to Sydney or another dream destination.


Prices shown on this page are estimated lowest prices only. Found in the last 45 days.