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Cheap flights from Hong Kong to Adelaide from HK$2,079

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 21-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — ADL
28 Aug — 4 Sep1
1 adult

Cheapflights Tip: The best prices from Hong Kong to Adelaide are usually found in August or June, booked 82 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Hong Kong to Adelaide

Keep the following information in mind while searching for Hong Kong to Adelaide flight deals. Data was last updated 23 August 2025.

Round-trip from

HK$4,572

One-way from

HK$2,079

Popular in

January

Cheapest in

August

Average price

HK$5,549

Good round-trip deal

HK$28,081 or less
15-9-15-10
  • 15-9-15-10
  • 4 total stops
  • 57h 45m total
  • Hong Kong to Adelaide
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21-9
  • 21-9
  • 2 total stops
  • 34h 00m total
  • Hong Kong to Adelaide
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (HK$8,525 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (HK$2,799 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Hong Kong to Adelaide.
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Find flight deals from Hong Kong to Adelaide

Cheapest flights from Hong Kong to Adelaide
Explore the most affordable flight options available from Hong Kong to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 August 2025.

Mon 15-907:45HKG - ADL
2 stops25h 20mMultiple Airlines
Wed 15-1013:40ADL - HKG
2 stops32h 25mMultiple Airlines
Deal found 21-8HK$4,572
Fri 31-1019:50HKG - ADL
2 stops22h 15mMultiple Airlines
Mon 10-1116:30ADL - HKG
2 stops30h 00mMultiple Airlines
Deal found 22-8HK$4,626
Tue 7-1018:15HKG - ADL
2 stops22h 15mMultiple Airlines
Tue 14-1012:00ADL - HKG
2 stops32h 55mMultiple Airlines
Deal found 23-8HK$5,666
Mon 13-1006:15HKG - ADL
2 stops23h 10mMultiple Airlines
Fri 31-1018:35ADL - HKG
1 stop19h 15mMultiple Airlines
Deal found 23-8HK$5,682
Tue 23-918:45HKG - ADL
2 stops20h 25mMultiple Airlines
Thu 23-1018:35ADL - HKG
1 stop30h 55mMultiple Airlines
Deal found 21-8HK$5,814

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Adelaide 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 70,647 searches. Data last updated 23 August 2025.
Use the filters below to find and compare flights from Hong Kong to Adelaide that are best for you.

Fly from

Hong Kong

Fly to

Adelaide

Route

Departure

Return

Price

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Mon 15-9

07:45-10:35

2 stops25h 20m

Adelaide

Wed 15-10

13:40-19:35

2 stops32h 25m

HK$4,572

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Fri 31-10

19:50-20:35

2 stops22h 15m

Adelaide

Mon 10-11

16:30-20:00

2 stops30h 00m

HK$4,626

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Thu 29-1

01:55-07:25

1 stop27h 00m

Adelaide

Fri 6-2

18:35-11:20

1 stop19h 15m

HK$5,635

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Thu 29-1

01:55-07:25

1 stop27h 00m

Adelaide

Thu 5-2

18:35-12:25

1 stop20h 20m

HK$5,666

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Tue 7-10

18:15-19:00

2 stops22h 15m

Adelaide

Tue 14-10

12:00-18:25

2 stops32h 55m

HK$5,666

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Mon 13-10

06:15-07:55

2 stops23h 10m

Adelaide

Fri 31-10

18:35-11:20

1 stop19h 15m

HK$5,682

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Sun 21-9

20:25-07:55

2 stops34h 00m

HK$2,079

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Sun 14-9

20:25-07:55

2 stops34h 00m

HK$2,094

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Mon 15-9

19:20-07:55

2 stops35h 05m

HK$2,094

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Sat 13-9

19:20-22:00

2 stops49h 10m

HK$2,094

Flights are sorted by cheapest return flights first.

Deals found on 21-8

Showing 1-10 of 13 results
1
2

Best time to book a flight from Hong Kong to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide 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 Adelaide

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

Use this chart to determine the optimal time to book a return flight from Hong Kong to Adelaide. Price data was last updated on 8 August 2025.

The price you pay for your flight from Hong Kong to Adelaide may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest time of day to fly from HK to ADL?

Find hourly flight availability from Hong Kong to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 August 2025.

It’s optimal to fly from Hong Kong to Adelaide at midday. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the afternoon.

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated 23 August 2025.
Read through reviews of airlines operating flights from Hong Kong to Adelaide, such as Singapore Airlines, Cathay Pacific, andQantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,350 reviews
Check prices

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Singapore Airlines
8.1
Very Good
1,350 reviews
Singapore Airlines
8.1
Very Good
1,350 reviews
Check prices

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Cathay Pacific
7.6
Good
974 reviews
Singapore Airlines
8.1
Very Good
1,350 reviews
Check prices

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Qantas Airways
7.5
Good
898 reviews
Singapore Airlines
8.1
Very Good
1,350 reviews
Check prices

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.
Malaysia Airlines
7.4
Good
274 reviews
Singapore Airlines
8.1
Very Good
1,350 reviews
Check prices

Overall

8.1

Entertainment

8.0

Boarding

8.2

Food

7.7

Crew

8.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

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

  • What airport do you fly into for flights to Adelaide from Hong Kong?

    Located just 6.6 km from the city centre, Adelaide (ADL) is the airport most travelers will use when flying to Adelaide from Hong Kong.

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

    Flights from Hong Kong to Adelaide have been viewed 5 times in the past calendar month.

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

    Singapore Airlines, at HK$4,678, was found to be the cheapest airline from Hong Kong to Adelaide.Alternate airlines to your destination round-trip include Malaysia Airlines and Cathay Pacific. These flights start at 32% lower than the current average price 3 months from now.

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

    The cheapest flight price from Hong Kong to Adelaide is HK$28,081. On average you can expect to pay HK$28,081. The most popular route, (Hong Kong Intl - Adelaide), can usually be booked for HK$4,572.

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

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Hong Kong to Adelaide

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Adelaide flights

Top 4 airlines flying from Hong Kong to Adelaide

Discover the top 4 airlines that operate flights from Hong Kong to Adelaide. 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 70,647 searches. Data last updated 23 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestHK$4,678AverageHK$6,832FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapestHK$4,816AverageHK$6,311FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapestHK$5,094AverageHK$9,042FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapestHK$5,211AverageHK$6,294FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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

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

Need flexible booking options for your flight to Adelaide from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Of course! You can now track prices for flights from Hong Kong to Adelaide and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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