Cheap flights from Hong Kong to Adelaide from HK$1,902

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 9-11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — ADL
7 Sep — 14 Sep1
1 adult

Cheapflights Tip: The best prices from Hong Kong Intl 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

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Adelaide (ADL). 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 2 September 2025.

Round-trip from

HK$4,287

One-way from

HK$1,902

Popular in

January

Cheapest in

August

Average price

HK$6,813

Good round-trip deal

HK$28,010 or less
6-11-17-11
  • 6-11-17-11
  • 4 total stops
  • 60h 05m total
  • Hong Kong to Adelaide
9-11
  • 9-11
  • 2 total stops
  • 35h 15m total
  • Hong Kong to Adelaide
Highest demand for flights based on searches. 13% potential increase in price (HK$8,502 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (HK$2,770 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Hong Kong Intl to Adelaide.

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 2 September 2025.

Thu 6-1119:30HKG - ADL
2 stops33h 25mMultiple Airlines
Mon 17-1118:20ADL - HKG
2 stops26h 40mMultiple Airlines
Deal found 1-9HK$4,287
Thu 13-1119:30HKG - ADL
2 stops33h 25mMultiple Airlines
Thu 20-1118:20ADL - HKG
2 stops27h 00mMultiple Airlines
Deal found 1-9HK$4,755
Thu 13-1119:30HKG - ADL
2 stops33h 25mMultiple Airlines
Mon 24-1108:05ADL - HKG
2 stops33h 55mMultiple Airlines
Deal found 1-9HK$4,786
Wed 15-1011:55HKG - ADL
2 stops30h 15mMultiple Airlines
Wed 22-1018:35ADL - HKG
2 stops27h 30mMultiple Airlines
Deal found 31-8HK$4,810
Tue 9-902:20HKG - ADL
1 stop26h 35mMultiple Airlines
Tue 18-1108:05ADL - HKG
2 stops33h 55mMultiple Airlines
Deal found 30-8HK$4,872
Thu 13-1119:30HKG - ADL
2 stops33h 25mMultiple Airlines
Sat 22-1118:20ADL - HKG
3 stops29h 35mMultiple Airlines
Deal found 1-9HK$4,895
Tue 9-902:20HKG - ADL
1 stop26h 35mMultiple Airlines
Sun 16-1119:05ADL - HKG
2 stops49h 55mMultiple Airlines
Deal found 30-8HK$4,934
Sun 7-920:25HKG - ADL
2 stops24h 05mMultiple Airlines
Tue 16-909:15ADL - HKG
3 stops39h 50mMultiple Airlines
Deal found 30-8HK$4,942

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 2 September 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

Thu 6-11

19:30-07:25

2 stops33h 25m

Adelaide

Mon 17-11

18:20-18:30

2 stops26h 40m

HK$4,287

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Thu 13-11

19:30-07:25

2 stops33h 25m

Adelaide

Thu 20-11

18:20-18:50

2 stops27h 00m

HK$4,755

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Thu 13-11

19:30-07:25

2 stops33h 25m

Adelaide

Mon 24-11

08:05-15:30

2 stops33h 55m

HK$4,786

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Wed 15-10

11:55-20:40

2 stops30h 15m

Adelaide

Wed 22-10

18:35-19:35

2 stops27h 30m

HK$4,810

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Thu 13-11

19:30-07:25

2 stops33h 25m

Adelaide

Sat 22-11

18:20-21:25

3 stops29h 35m

HK$4,895

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Mon 20-10

19:15-22:00

2 stops24h 15m

Adelaide

Mon 27-10

06:15-15:30

2 stops35h 45m

HK$4,927

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Sun 9-11

19:50-09:35

2 stops35h 15m

HK$1,902

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Thu 6-11

19:30-07:25

2 stops33h 25m

HK$1,925

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Tue 4-11

19:30-06:15

2 stops32h 15m

HK$2,081

Hong KongAdelaide

HKG - ADL

HKGADL

Hong Kong Intl

Sat 8-11

19:30-17:45

2 stops43h 45m

HK$2,089

Flights are sorted by cheapest return flights first.

Deals found on 1-9

Showing 1-10 of 15 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 29 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 HKG 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 2 September 2025.

It’s typically best to fly out from Hong Kong to Adelaide at midday. Doing so could potentially save you 24% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 2 September 2025.
Read reviews from past customers who have flown with Singapore Airlines, Cathay Pacific, andQantas Airways from Hong Kong to Adelaide. 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.

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Comfort

7.9

Food

7.7

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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

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

    Singapore Airlines, at HK$4,666, 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?

    Looking at all options, your cheapest flight can be booked for HK$28,010. While the most popular route (Hong Kong Intl - Adelaide) can be booked for HK$4,287 on average our data indicates HK$28,010 when flying from Hong Kong to Adelaide.

  • 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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Fly from Hong Kong to Adelaide on these airlines

Choose from the following airlines for your flight from Hong Kong to Adelaide. Flights are based on user searches made on Cheapflights and were last updated on 2 September 2025.

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 2 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestHK$4,666AverageHK$6,815FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapestHK$4,804AverageHK$6,295FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapestHK$5,081AverageHK$9,019FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapestHK$5,169AverageHK$6,260FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

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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?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Hong Kong to Adelaide flexibly with Cheapflights today.

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

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

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