HKG - SYD

$452 Find Cheap Flights from Hong Kong to Sydney – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Hong Kong to Sydney departing on 30/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
$872
Typical prices: $817-$1,177
Qantas Airways
Sun 1/11Sun 8/11
HKG - SYD • Direct
Cheapest one-way flight
$452
Typical prices: $443-$857
Scoot
Wed 30/12
HKG - SYD • 1 stop
Top airlines
Cheapest • from $872 (return)
Best reviews • 7.6 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
You can fly direct with Cathay Pacific, Qantas Airways, and Hong Kong Airlines. Average duration is 9h 09m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 80% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 6 weeks in advance save around 13% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 19% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Sydney!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Hong Kong to Sydney that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Hong Kong to Sydney

Sun, 1 Nov - Sun, 8 Nov
Qantas Airways Logo
19:25 - 07:55
HKG
-
SYD
9h 30mdirect
Qantas Airways Logo
11:15 - 17:50
SYD
-
HKG
9h 35mdirect
$872Qantas Airways
Mon, 26 Oct - Wed, 28 Oct
Cathay Pacific Logo
23:55 - 12:00
HKG
-
SYD
9h 05mdirect
Cathay Pacific Logo
11:05 - 17:30
SYD
-
HKG
9h 25mdirect
$873Cathay Pacific
Thu, 20 Aug - Fri, 4 Sep
Vietnam Airlines Logo
14:30 - 12:15
HKG
-
SYD
19h 45m
1 stop
Vietnam Airlines Logo
10:15 - 17:25
SYD
-
HKG
33h 10m
1 stop
$873Vietnam Airlines
Mon, 26 Oct - Fri, 30 Oct
Qantas Airways Logo
19:25 - 07:55
HKG
-
SYD
9h 30mdirect
Qantas Airways Logo
11:15 - 17:50
SYD
-
HKG
9h 35mdirect
$873Qantas Airways
Mon, 24 Aug - Thu, 17 Sep
Multiple Airlines Logo
20:45 - 11:45
HKG
-
SYD
13h 00m
1 stop
Multiple Airlines Logo
13:00 - 16:00
SYD
-
HKG
29h 00m
2 stops
$873Multiple Airlines
Mon, 19 Oct - Fri, 30 Oct
Qantas Airways Logo
19:30 - 07:45
HKG
-
SYD
9h 15mdirect
Qantas Airways Logo
11:15 - 17:50
SYD
-
HKG
9h 35mdirect
$874Qantas Airways
Sun, 20 Sep - Sun, 27 Sep
Hong Kong Airlines Logo
22:05 - 09:45
HKG
-
SYD
9h 40mdirect
Hong Kong Airlines Logo
11:05 - 19:10
SYD
-
HKG
10h 05mdirect
$884Hong Kong Airlines
Tue, 15 Sep - Mon, 22 Feb
Hong Kong Airlines Logo
22:05 - 09:35
HKG
-
SYD
9h 30mdirect
Hong Kong Airlines Logo
12:35 - 19:30
SYD
-
HKG
9h 55mdirect
$890Hong Kong Airlines
Mon, 31 Aug - Fri, 4 Sep
Cathay Pacific Logo
19:05 - 06:10
HKG
-
SYD
9h 05mdirect
Cathay Pacific Logo
10:10 - 17:45
SYD
-
HKG
9h 35mdirect
$910Cathay Pacific
Wed, 25 Nov - Sun, 6 Dec
Cathay Pacific Logo
19:05 - 07:15
HKG
-
SYD
9h 10mdirect
Cathay Pacific Logo
22:20 - 04:20
SYD
-
HKG
9h 00mdirect
$913Cathay Pacific
Booking Insights

KAYAK's insights & trends for Hong Kong to Sydney flights

Get data-powered insights and trends into flights from Hong Kong to Sydney to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Hong Kong to Sydney?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Hong Kong to Sydney departing in November.

Flight prices are typical for this route right now.

Flights to Sydney from Hong Kong usually cost between $840 and $1,167 in November.
The lowest price found in the past 5 days was $872 on Qantas Airways (1 Nov–8 Nov).

What’s the cheapest day of the week to fly from Hong Kong to Sydney?

The average price of all round-trip flights from Hong Kong to Sydney clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Hong Kong to Sydney, look for departures on Thursdays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Sydney, Tuesday is the cheapest day to fly and Friday is the most expensive.

What is the cheapest month to fly from Hong Kong to Sydney?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Hong Kong to Sydney, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Hong Kong to Sydney is March, where tickets cost $883 (return) on average. On the other hand, the most expensive months are January and July, where the average cost of round-trip tickets is $1,376 and $1,346 respectively.

Can I save money by flying with a stopover from Hong Kong to Sydney?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at $958 on average.

How far in advance should I book a flight from Hong Kong to Sydney?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Hong Kong to Sydney, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Hong Kong to Sydney, you should book around 6 weeks before departure, which saves you about 13% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know

Low season

January

Cheapest flight

$452
Best time to beat the crowds but there is an average 26% increase in price.
Most popular time to fly (16% more expensive on average)
Flight from Hong Kong to Sydney

When to book flights from Hong Kong to Sydney

Are your dates flexible? Find out the best times to travel from Hong Kong to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Hong Kong to Sydney

  • Are there direct flights between Hong Kong and Sydney Airports?

    Yes, Cathay Pacific operates frequent direct flights between Hong Kong and Sydney. China Airlines and Philippines Airlines both offer indirect routes transiting between locations such as Manila Ninoy Aquino International Airport (MNL) and Taipei International Airport (TPE). Singapore Airlines also offers an indirect route through Singapore Changi Airport (SIN). Transfer times can vary.

  • Is it easy to connect with central Sydney from the airport by public transport?

    Yes, Sydney is the busiest airport in Australia and consequently there are a range of public transport options between it and the city. The Airport Link train runs every 10min and the journey to Sydney usually takes 13min. A one-way fare is around A$ 15 but you will also have to pay an airport access fee of around A$ 9 on top of the train fare. Sydney Buses operate a regular service on Route 400 and 420; a single fare is also around A$ 15. Travelling by bus, you don’t have to pay the airport access fee. The trip by taxi will cost around A$ 55 and take roughly 20min.

  • Are there hotels at Sydney Airport?

    Yes, there are a number of hotels on the Sydney Airport campus, including ibis budget Sydney Airport, Mantra Sydney and Rydges Hotel. They are each within walking distance of the arrivals area.

  • What is the cheapest flight from Hong Kong to Sydney?

    In the last 5 days, the lowest price for a flight from Hong Kong to Sydney was $452 for a one-way ticket and $872 for a return.

  • Which airports will I be using when flying from Hong Kong to Sydney?

    On your way to Sydney, you’ll fly out from Hong Kong Intl. You’ll be landing at Sydney Kingsford Smith.

  • Which airlines offer Wi-Fi service onboard planes from Hong Kong to Sydney?

    Only Cathay Pacific offers inflight Wi-Fi service on the Hong Kong to Sydney flight route.

  • Which aircraft models fly most regularly from Hong Kong to Sydney?

    The Airbus A330-300 is the aircraft model that flies most regularly on the Hong Kong to Sydney flight route.

  • Which airline alliances offer flights from Hong Kong to Sydney?

    oneworld is the only airline alliance operating flights between Hong Kong and Sydney.

  • On which days can I fly direct from Hong Kong to Sydney?

    There are direct flights from Hong Kong to Sydney on a daily basis.

  • Which is the best airline for flights from Hong Kong to Sydney, Cathay Pacific or Qantas Airways?

    The two airlines most popular with KAYAK users for flights from Hong Kong to Sydney are Cathay Pacific and Qantas Airways. With an average price for the route of $1,189 and an overall rating of 7.6, Cathay Pacific is the most popular choice. Qantas Airways is also a great choice for the route, with an average price of $1,043 and an overall rating of 7.5.

  • How does KAYAK find such low prices on flights from Hong Kong to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Hong Kong to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Hong Kong to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Hong Kong is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Hong Kong to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Sydney with an airline and back to Hong Kong with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Hong Kong to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Hong Kong up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Hong Kong to Sydney

  • Looking for a cheap flight? 25% of our users found flights on this route for $706 or less one-way and $1,017 or less round-trip.
  • Families with young children, people with additional needs, pregnant women and older people departing for Sydney can make use of the Caring Corner at Hong Kong Airport (HKG). This is a specially designated quiet area with televisions, seating and airport telephone helplines.
  • There are currency exchange desks and a range of international ATMs at the arrivals hall in Sydney Kingsford Smith Airport (SYD).
  • There are a number of lounges at Hong Kong Airport available to departing passengers, including Cathay Pacific Lounge, the Emirates Lounge and the United Club.

Prefer to fly direct from Hong Kong Intl to Sydney Kingsford Smith?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Hong Kong Intl to Sydney Kingsford Smith.
Find which airlines fly direct from Hong Kong Intl Airport to Sydney Kingsford Smith Airport, which days they fly and book direct flights.

Direct departures

Hong Kong Intl to Sydney Kingsford Smith

Monday

Cathay Pacific,Qantas Airways

Cathay Pacific,Qantas Airways

Tuesday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Wednesday

Cathay Pacific,Qantas Airways,Hong Kong Airlines

Cathay Pacific,Qantas Airways, +1 more

Thursday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Friday

Cathay Pacific,Qantas Airways,Hong Kong Airlines

Cathay Pacific,Qantas Airways, +1 more

Saturday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Sunday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

See more direct flights

Direct returns

Sydney Kingsford Smith to Hong Kong Intl

Monday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Tuesday

Cathay Pacific,Qantas Airways

Cathay Pacific,Qantas Airways

Wednesday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Thursday

Cathay Pacific,Qantas Airways

Cathay Pacific,Qantas Airways

Friday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

Saturday

Cathay Pacific,Qantas Airways

Cathay Pacific,Qantas Airways

Sunday

Cathay Pacific,Hong Kong Airlines,Qantas Airways

Cathay Pacific,Hong Kong Airlines, +1 more

See more direct flights

Reviews of the top 3 airlines flying from Hong Kong to Sydney

 
See real verified KAYAK customer reviews for airlines flying from Hong Kong to Sydney. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Hong Kong to Sydney? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
Cathay PacificOverall score based on 1433 reviews
7.3Food
7.5Comfort
8.1Crew
7.7Entertainment
7.9Boarding
Airline reviews

It was a good experience except that the flight has been rescheduled, bit disappointed but it happens.

6.0 GoodMerylle, July 2026
HKG - YYZ
Read more Cathay Pacific reviews

It was a good experience except that the flight has been rescheduled, bit disappointed but it happens.

Everything was good; they still provided a sandwich snack. Good crew

My flight was delayed by 8 hours I arrived at airport 4hrs earlier but to see if they can reroute me to get my connecting flt to Hong Kong. They auto rebooked my flt. With no chance. Which I missed this entire reservation through kayak. My next flt they got me on was at 6 am. Misses an entire day of my trip abroad all my accommodations seat assignments were missed and missed adding my TSA precheck to my ticket as well as my vegan meal request so I didnt have meals on any of the flight....so not a comfortable experience. Please help me with accommodations upon my return.

The crew could have awaken me to eat dinner!! I was so waiting to order the braised duck breast and fell asleep b4 crew got to me to take order. When I awoke, lights were out and food had been served without me eating. I did love the apple juice!

Boarding was good and efficient, however since this was a late flight I spent most of the time sleeping so can't express any further opinions

Previous flight with Cathay from LAX was delayed thus missing this flight to KL by 12 hours. This in turn missed other travel arrangements from KL. They did provide overnight accommodation in Hong Kong.

The flight was delayed for over an hour, which made me worry about pets in cargo.

It was good, on time boarding. Have a good service. .

There is very little in the title" Premium" in the Economy experience with Cathay, Melbourne to Hong Kong. The seats are uncomfortable and the cabin with outdated 1990's decor and trim. The food service was sloppy and the leg room providing little to no advantage over regular economy seating. Infact, the Sunday flight was not fill occupancy and I would have done better saving the significant additional costs for the PREMIUM ticket and taken advantage of the seating. If you are a regular premium economy traveler of EMIRATES expecting the same experience on CATHAY, you will be disappointed. Emirates far superior.

The aircraft was slightly newer but the food was very bad. Bland and uninteresting. Nothing special at all.

From start to finish, every part of the experience was outstanding. The care and kindness shown to my 95-year-old mother was exceptional—truly 10 out of 10. From the assistance she received at Sydney Airport while boarding the plane to the help she was given when arriving at Wagga Wagga Airport, every staff member was friendly, professional, and genuinely caring. They made her feel comfortable, safe, and well looked after throughout her journey. A heartfelt thank you to everyone who helped make my mother's trip such a wonderful experience. Your compassion and dedication are greatly appreciated.

I think it is much better than the flight I flew from Sydney to Tokyo.

I missed my flight due to unforeseen circumstances It was, however , an excellent price !

We had a medical emergency, needing to get to an emergency room upon landing at LAX. I let the back flight attendants know the situation. One, David, contacted the pilot, who made arrangements for EMT's to be there when we got off the plane. They went above and beyond for us. We didn't have to go through customs, as a customs person came to us and checked us right at the exit of the jet way. Another wonderful woman, a United employee at LAX, perhaps a customer service liaison, took care of our luggage situation, as we weren't going to make our connection to Bozeman. When we came back to LAX to see when we could get a flight to Bozeman, the personnel are very accommodating and booked us on the next flight out, and assigned good seats. It was a horrible flight, physically, from Sydney to LAX, , but the professionalism of all involved was excellent! We are very grateful fir the way they all stepped in and helped during a very unpleasant medical situation. Thank you!!

PREMIUM ECONOMY - excellent !Brilliant new plane. Excellent tv catalogue. Good food. Good communication and service from all friend Australian crew. Good communication from captain. Best travel experience in years.

I couldn't hear all of the announcements. It was nice when they put them on the screen.

an hour late, then had to disembark on back stairs and take 4 flights up to get to main airport. No warning, and difficulty for those with canes and poor knees.

Well my expórtenle with Qantas it wasn’t that good KLM from Bs Aires was delay Santiago Chile Qantas QF 028 was still in the airport but the crew didn’t opened the door for me soo I lost my fly And I stuck in the airport 13 hrs waiting for next fly by Latam Arline My question is can I have my money back for business class

It was ok, the additional baggage charges were a bit excessive given winter is a time for skiing. To have to pay $600 extra for skis was tantamount to robbery. Airlines should consider sporting goods as baggage. Likewise, they should consider increasing the number of bags allowed on international flights to known ski destinations.

Couldn't access entertainment on app as said in an email

Our luggage broke and what we get back was only 26$ plus the transit in hongkong was terrible and the airline itself the screen wasn’t working but there was a proper seat space and the crew was nice and professional

speedy loading helpful staff. and clean. food is not that great

Departure date of the ticket was ONE WEEK LATER than I purchased it for. Total failure on trying to get it reissued for the date I was to fly on. Will NOT use Kayak next time due to this screw up on Kayak's part..

On-time takeoff and arrival Cabin crew very helpful, especially the crew manager (I think) (young gentleman with glass)

I cannot check in online , and not able to select my seat

Watch for "bait and switch" - cheap prices, but not obvious at all at point of purchase that there will be an undisclosed charge for baggage - and less obvious that you will have to purchase baggage at an eye-watering level. Better still, if you go this airline, leave your gear behind and buy a complete wardrobe when you arrive in country and still be ahead. The staff were very pleasant, both at counter staff level - they were clearly unnerved by having to charge - and on board.

No entertainment service which equates them with budget airlines. But their fare are regular airline fares. Aircraft are old and seats are worn.

The crews at check in counter are not professional, they are talking and playing around. Also no entertainment on the plane

2 failed landing attemps before going to Nagoya airport for refueling. After 3 hours of taxiing, we still needed 3 attemps before a succeeded landing (after the 5th attempt finally!). In total, 11 hours inside the plane instead of 4h30, and with only a crappy piece of bread to feed us. A shame.

Everything you need to know for your flight from Hong Kong to Sydney

Other airlines flying from Hong Kong to Sydney

Flights from the other most popular airlines that fly from Hong Kong to Sydney according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.