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Cheap flights from Hong Kong to Sydney from £258

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to Sydney Kingsford Smith are usually found in March or August, booked 33 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Hong Kong to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Sydney
Explore the most affordable flight options available from Hong Kong to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 April 2026.

Mon 26/1019:50
HKG
-
SYD
1 stop33h 15m
VietJet Air
Thu 29/1011:15
SYD
-
HKG
1 stop34h 35m
VietJet Air
Deal found 22/4£439
Tue 18/814:30
HKG
-
SYD
1 stop19h 45m
Vietnam Airlines
Wed 19/814:15
SYD
-
HKG
1 stop25h 15m
Vietnam Airlines
Deal found 27/4£441
Wed 1/711:55
HKG
-
SYD
1 stop18h 25m
Multiple Airlines
Thu 9/709:45
SYD
-
HKG
1 stop27h 30m
Multiple Airlines
Deal found 22/4£453
Mon 8/607:55
HKG
-
SYD
2 stops33h 25m
Multiple Airlines
Thu 11/613:00
SYD
-
HKG
1 stop32h 45m
Multiple Airlines
Deal found 24/4£456
Thu 13/814:30
HKG
-
SYD
1 stop19h 45m
Vietnam Airlines
Sun 23/810:15
SYD
-
HKG
1 stop33h 10m
Vietnam Airlines
Deal found 27/4£459
Sun 7/620:45
HKG
-
SYD
1 stop20h 35m
Scoot
Sun 14/620:35
SYD
-
HKG
1 stop25h 10m
Scoot
Deal found 23/4£464
Thu 13/814:30
HKG
-
SYD
1 stop19h 45m
Vietnam Airlines
Tue 25/810:15
SYD
-
HKG
1 stop33h 10m
Vietnam Airlines
Deal found 27/4£478
Mon 17/819:50
HKG
-
SYD
1 stop33h 30m
VietJet Air
Wed 19/810:15
SYD
-
HKG
1 stop34h 35m
VietJet Air
Deal found 27/4£488

Find flight deals from Hong Kong to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 April 2026.

Round-trip from

£441

One-way from

£258

Popular in

January

Cheapest in

March

Average price

£590

Good round-trip deal

£708 or less

Good one-way deal

£486 or less
Vietnam Airlines
  • Vietnam Airlines
  • 18/8-20/8
  • 2 total stops
  • 52h 55m total
  • Hong Kong to Sydney
Search Deals
Vietnam Airlines
  • Vietnam Airlines
  • 11/8
  • 1 total stop
  • 19h 45m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£80 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Hong Kong Intl to Sydney Kingsford Smith.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 28 April 2026.
Use the filters below to find and compare flights from Hong Kong to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 30/5

22:05-09:35

Nonstop9h 30m

Sydney Kingsford Smith

Fri 3/7

11:05-19:10

Nonstop10h 05m

£569

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 1/9

11:35-09:00

2 stops43h 25m

Sydney Kingsford Smith

Tue 8/9

11:00-20:15

3 stops35h 15m

£633

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 1/6

11:35-12:35

2 stops47h 00m

Sydney Kingsford Smith

Sun 7/6

20:30-17:10

2 stops22h 40m

£673
Fastest return journey

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 5/7

21:35-08:40

Nonstop9h 05m

Sydney Kingsford Smith

Mon 24/8

07:40-15:10

Nonstop9h 30m

£674

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 30/5

15:05-12:35

1 stop19h 30m

Sydney Kingsford Smith

Fri 3/7

10:05-15:30

2 stops31h 25m

£687

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 13/5

14:35-08:00

3 stops63h 25m

Sydney Kingsford Smith

Fri 22/5

10:05-10:25

2 stops50h 20m

£687

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 31/5

13:35-12:35

2 stops21h 00m

Sydney Kingsford Smith

Sun 7/6

20:30-20:15

3 stops25h 45m

£719

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 19/6

20:05-13:25

1 stop15h 20m

Sydney Kingsford Smith

Sun 28/6

10:10-17:55

Nonstop9h 45m

£726

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sat 30/5

11:25-12:35

2 stops47h 10m

Sydney Kingsford Smith

Sun 7/6

20:30-20:15

3 stops25h 45m

£738

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 2/7

13:35-08:00

2 stops40h 25m

Sydney Kingsford Smith

Wed 22/7

10:05-20:15

3 stops60h 10m

£809

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Hong Kong to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Hong Kong with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

The best time to book flights from Hong Kong to Sydney is 32 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Hong Kong to Sydney?

Currently, March is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of £455). Flying from Hong Kong to Sydney in January is currently the most expensive (average of £691). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HKG to SYD?

Find hourly flight availability from Hong Kong to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 April 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to Sydney as you normally would.

How much does it cost for a return flight from Hong Kong to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 28 April 2026.
See what other customers who have flown with Cathay Pacific and Qantas Airways from Hong Kong to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,304 reviews
Check prices

Boarding

7.9

Crew

8.1

Food

7.3

Comfort

7.6

Entertainment

7.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Cathay Pacific
7.6
Good
1,304 reviews
Cathay Pacific
7.6
Good
1,304 reviews
Check prices

Boarding

7.9

Crew

8.1

Food

7.3

Comfort

7.6

Entertainment

7.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.
Qantas Airways
7.5
Good
1,028 reviews
Cathay Pacific
7.6
Good
1,304 reviews
Check prices

Boarding

7.9

Crew

8.1

Food

7.3

Comfort

7.6

Entertainment

7.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Robert,Feb 2026

CTS - AKL

Upgrade to Premium Economy was a delightful and unexpected surprise. Highlight of our holiday.

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Hong Kong to Sydney?

    You will need to book a flight from Hong Kong Intl to Sydney Kingsford Smith if you want to fly from Hong Kong to Sydney. At least 2 different airlines have flights from Hong Kong Intl (HKG) to Kingsford Smith (SYD) on a regular basis. There are 26 flights to Sydney from the Hong Kong airport per day. If you manage to book one that is nonstop, then you can expect the flight time from HKG to SYD to be around 9h 05m.

  • How popular is this Hong Kong to Sydney flight route?

    The Hong Kong Intl to Sydney Kingsford Smith flight path was viewed by 32 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Hong Kong to Sydney?

    A quick flight from Hong Kong to Sydney can take about 9h 05m. Hong Kong Airlines provides one of the quickest options available for as low as £674. There are 4590 mi between Hong Kong and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Hong Kong to Sydney round-trip?

    Currently priced at £410, Cathay Pacific will fly you from Hong Kong to Sydney and back. In addition to Cathay Pacific, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qantas Airways for as low as £417. Users have found that Cathay Pacific is 25% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Hong Kong to Sydney one-way?

    To fly one-way, consider booking your trip with Hong Kong Airlines, which is currently one of the cheapest options available, starting at £226. Qantas Airways flights start at £393 while deals on Cathay Pacific start at £430 one-way.

  • What are the most reliable airlines from Hong Kong to Sydney?

    Before booking your flight to Sydney from Hong Kong, check out the most reliable airlines to get you to your destination on time: Hong Kong Airlines (81%), Turkish Airlines (81%), MIAT Mongolian( 71%).

  • What are the cheapest flights from Hong Kong to Sydney?

    Looking for the cheapest flight from Hong Kong to Sydney? While on average our users pay £837, our data indicates the cheapest price to be £481. The most popular route (Hong Kong Intl - Sydney Kingsford Smith), is priced around £258.

  • Can I find deals for flights from Hong Kong to Sydney that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Sydney.

  • Can I find deals for business class flights from Hong Kong to Sydney?

    Yes. Cheapflights offers flight deals from Hong Kong to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, March is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of £455). Flying from Hong Kong to Sydney in January is currently the most expensive (average of £691). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Parramatta
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Hong Kong to Sydney

Discover the top 2 airlines that operate flights from Hong Kong to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest£410Average£589FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapest£417Average£491FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hong Kong to Sydney?

Cheapflights helps you search for flights from Hong Kong to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Hong Kong to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Hong Kong shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Hong Kong to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Hong Kong to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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