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Cheap flights from Hong Kong to Sydney from £370

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 24/4. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SYD
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Hong Kong Intl to Sydney Kingsford Smith are usually found in August or June, booked 87 days in advance, depart on a Wednesday or Monday and return on a Saturday

Cheap 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 25 March 2025.

Round-trip from

£408

One-way from

£370

Popular in

January

Cheapest in

August

Average price

£595

Good round-trip deal

£479 or less

Good one-way deal

£349 or less
Qantas Airways
  • Qantas Airways
  • 8/5-15/5
  • 1 total stop
  • 27h 35m total
  • Hong Kong to Sydney
Search Deals
Juneyao Airlines
  • Juneyao Airlines
  • 24/4
  • 1 total stop
  • 31h 35m total
  • Hong Kong to Sydney
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£95 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to Sydney Kingsford Smith.
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Price to beat on a one-way flight from Hong Kong Intl to Sydney Kingsford Smith.
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Find flight deals from Hong Kong to Sydney

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 25 March 2025.

Fri 5/1221:00HKG - SYD
1 stop12h 50mMultiple Airlines
Tue 6/121:45SYD - HKG
2 stops28h 20mMultiple Airlines
Deal found 25/3£394
Thu 22/520:05HKG - SYD
1 stop16h 50mQantas Airways
Wed 28/510:20SYD - HKG
Nonstop9h 40mQantas Airways
Deal found 25/3£463
Fri 29/812:25HKG - SYD
1 stop15h 30mSingapore Airlines
Sat 13/907:55SYD - HKG
1 stop17h 05mSingapore Airlines
Deal found 24/3£469
Sat 27/1218:40HKG - SYD
1 stop17h 45mSichuan Airlines
Sat 17/120:50SYD - HKG
1 stop23h 45mSichuan Airlines
Deal found 25/3£501
Sun 3/814:30HKG - SYD
1 stop19h 45mVietnam Airlines
Thu 7/810:15SYD - HKG
1 stop33h 10mVietnam Airlines
Deal found 25/3£532
Sat 27/908:45HKG - SYD
1 stop23h 15mMalaysia Airlines
Tue 7/1022:10SYD - HKG
1 stop28h 40mMalaysia Airlines
Deal found 24/3£543
Tue 29/709:30HKG - SYD
1 stop22h 15mGaruda Indonesia
Sun 10/811:45SYD - HKG
1 stop20h 00mGaruda Indonesia
Deal found 25/3£551
Sat 6/1212:45HKG - SYD
1 stop20h 10mThai Airways
Mon 5/110:00SYD - HKG
1 stop34h 45mThai Airways
Deal found 25/3£561
Wed 26/308:45HKG - SYD
Nonstop9h 05mCathay Pacific
Mon 31/311:10SYD - HKG
Nonstop9h 40mCathay Pacific
Deal found 25/3£572
Mon 12/516:40HKG - SYD
2 stops36h 40mVietJet Air
Mon 26/510:15SYD - HKG
2 stops31h 25mVietJet Air
Deal found 24/3£680
Wed 16/415:05HKG - SYD
1 stop15h 55mChina Eastern
Mon 21/411:00SYD - HKG
1 stop27h 45mChina Eastern
Deal found 25/3£695
Tue 2/1217:35HKG - SYD
1 stop15h 35mChina Airlines
Fri 9/122:10SYD - HKG
1 stop14h 05mChina Airlines
Deal found 25/3£718

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 25 March 2025.
Use the filters below to find and compare flights from Hong Kong to Sydney that are best for you.

Fly from

Hong Kong

Fly to

Sydney

Route

Depart

Return

Price

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 8/5

11:55-07:50

1 stop17h 55m

Sydney Kingsford Smith

Thu 15/5

10:20-18:00

Nonstop9h 40m

£408

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Thu 22/5

20:05-14:55

1 stop16h 50m

Sydney Kingsford Smith

Wed 28/5

10:20-18:00

Nonstop9h 40m

£463

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Fri 29/8

12:25-05:55

1 stop15h 30m

Sydney Kingsford Smith

Sat 13/9

07:55-23:00

1 stop17h 05m

£469

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 3/8

14:30-12:15

1 stop19h 45m

Sydney Kingsford Smith

Thu 7/8

10:15-17:25

1 stop33h 10m

£532

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 29/7

09:30-09:45

1 stop22h 15m

Sydney Kingsford Smith

Sat 9/8

11:45-05:45

1 stop20h 00m

£551

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 30/7

14:35-10:00

1 stop17h 25m

Sydney Kingsford Smith

Fri 8/8

22:10-13:15

1 stop17h 05m

£553

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Tue 15/4

09:10-20:10

Nonstop9h 00m

Sydney Kingsford Smith

Sun 25/5

10:10-17:50

Nonstop9h 40m

£572

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Sun 6/4

00:40-09:55

1 stop31h 15m

Sydney Kingsford Smith

Thu 10/4

11:40-23:15

1 stop37h 35m

£584

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Mon 12/5

16:40-07:20

2 stops36h 40m

Sydney Kingsford Smith

Mon 26/5

10:15-15:40

2 stops31h 25m

£680

Hong KongSydney

HKG - SYD

HKGSYD

Hong Kong Intl

Wed 16/4

15:05-09:00

1 stop15h 55m

Sydney Kingsford Smith

Mon 21/4

11:00-12:45

1 stop27h 45m

£695

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 22 results
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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?

Use this chart to determine the optimal time to book a return flight from Hong Kong to Sydney. Price data was last updated on 21 March 2025.

The best time to book flights from Hong Kong to Sydney is 87 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, May is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of £985). Flying from Hong Kong to Sydney in July is currently the most expensive (average of £1,728). 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 25 March 2025.

It’s optimal to fly from Hong Kong to Sydney at midday. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Hong Kong to Sydney

Explore weekly flight availability from Hong Kong to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 March 2025.

The most flights from HKG to SYD are scheduled on a Monday (25 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 on average).

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 25 March 2025.
To help decide which airline to fly from Hong Kong to Sydney, see what other customers have to say about Korean Air, China Airlines and Asiana Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very Good
1,047 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.2
Very Good
722 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very Good
441 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Garuda Indonesia
8.2
Very Good
71 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Singapore Airlines
8.1
Very Good
1,284 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Crew

8.7

Entertainment

8.2

Boarding

8.5

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 3 different airlines have flights from Hong Kong Intl (HKG) to Kingsford Smith (SYD) on a regular basis. There are 23 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 35 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at £463, Qantas Airways will fly you from Hong Kong to Sydney and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Singapore Airlines and Vietnam Airlines - these airlines can fly you to your destination from £469 and £532, respectively. Users have found that Qantas Airways is 27% 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 Juneyao Airlines, which is currently one of the cheapest options available, starting at £370. Vietnam Airlines flights start at £381 while deals on Qantas Airways start at £418 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: MIAT Mongolian (70%), Cathay Pacific (63%), Finnair( 59%).

  • 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 £462, our data indicates the cheapest price to be £279. The most popular route (Hong Kong Intl - Sydney Kingsford Smith), is priced around £271.

  • 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, May is the cheapest month in which you can book a flight from Hong Kong to Sydney (average of £985). Flying from Hong Kong to Sydney in July is currently the most expensive (average of £1,728). 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 Hong Kong?

Book flights to Hong Kong if you plan to visit one of these locations
Bondi Beach
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Hong Kong to Sydney

Discover the top 3 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
ScootCheapest£272Average£326FlexibilityNo cancel feeOn-timeN/A
Search Scoot flights
Cathay PacificCheapest£479Average£654FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapest£506Average£631FlexibilityNo 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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