$390 Cheap Flights from Hong Kong (HKG) to Adelaide (ADL)

View $390 flight on Tue, Nov 11, 2025Opens in a new window

Popular airlines from Hong Kong International Airport (HKG) to Adelaide, SA Airport (ADL)

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Cheap Flights from Hong Kong to Adelaide (HKG-ADL)

Prices were available within the past 7 days and start at $390 for one-way flights and $616 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hong Kong Airlines
Mon, Feb 23 - Sun, Mar 1
HKG
Hong Kong SAR
ADL
Adelaide
$616 Roundtrip, found 14 hours ago
$616
Roundtrip
found 14 hours ago
Select Hong Kong Airlines flight, departing Mon, Feb 23 from Hong Kong SAR to Adelaide, returning Sun, Mar 1, priced at $616 found 14 hours ago
Hong Kong Airlines
Mon, Feb 23 - Sun, Mar 1
HKG
Hong Kong SAR
ADL
Adelaide
$617 Roundtrip, found 14 hours ago
$617
Roundtrip
found 14 hours ago
Select Hong Kong Airlines flight, departing Mon, Feb 23 from Hong Kong SAR to Adelaide, returning Sun, Mar 1, priced at $617 found 14 hours ago
Hong Kong Airlines
Mon, Feb 23 - Sun, Mar 1
HKG
Hong Kong SAR
ADL
Adelaide
$623 Roundtrip, found 14 hours ago
$623
Roundtrip
found 14 hours ago
Select Hong Kong Airlines flight, departing Mon, Feb 23 from Hong Kong SAR to Adelaide, returning Sun, Mar 1, priced at $623 found 14 hours ago
Hong Kong Airlines
Mon, Feb 23 - Sun, Mar 1
HKG
Hong Kong SAR
ADL
Adelaide
$624 Roundtrip, found 14 hours ago
$624
Roundtrip
found 14 hours ago
Select Hong Kong Airlines flight, departing Mon, Feb 23 from Hong Kong SAR to Adelaide, returning Sun, Mar 1, priced at $624 found 14 hours ago
Hong Kong Airlines
Tue, Feb 24 - Sun, Mar 1
HKG
Hong Kong SAR
ADL
Adelaide
$630 Roundtrip, found 2 days ago
$630
Roundtrip
found 2 days ago
Select Hong Kong Airlines flight, departing Tue, Feb 24 from Hong Kong SAR to Adelaide, returning Sun, Mar 1, priced at $630 found 2 days ago
Hong Kong Airlines
Wed, Feb 25 - Sun, Mar 1
HKG
Hong Kong SAR
ADL
Adelaide
$677 Roundtrip, found 3 days ago
$677
Roundtrip
found 3 days ago
Select Hong Kong Airlines flight, departing Wed, Feb 25 from Hong Kong SAR to Adelaide, returning Sun, Mar 1, priced at $677 found 3 days ago
Qantas Airways
Mon, Feb 23 - Sun, Mar 1
HKG
Hong Kong SAR
ADL
Adelaide
$827 Roundtrip, found 14 hours ago
$827
Roundtrip
found 14 hours ago
Select Qantas Airways flight, departing Mon, Feb 23 from Hong Kong SAR to Adelaide, returning Sun, Mar 1, priced at $827 found 14 hours ago
Cathay Pacific
Wed, Feb 25 - Wed, Mar 4
HKG
Hong Kong SAR
ADL
Adelaide
$883 Roundtrip, found 4 days ago
$883
Roundtrip
found 4 days ago
Select Cathay Pacific flight, departing Wed, Feb 25 from Hong Kong SAR to Adelaide, returning Wed, Mar 4, priced at $883 found 4 days ago
Malaysia Airlines
Mon, Apr 20 - Sun, Apr 26
HKG
Hong Kong SAR
ADL
Adelaide
$961 Roundtrip, found 1 day ago
$961
Roundtrip
found 1 day ago
Select Malaysia Airlines flight, departing Mon, Apr 20 from Hong Kong SAR to Adelaide, returning Sun, Apr 26, priced at $961 found 1 day ago
Singapore Airlines
Sat, Feb 14 - Sun, Feb 22
HKG
Hong Kong SAR
ADL
Adelaide
$1,089 Roundtrip, found 4 hours ago
$1,089
Roundtrip
found 4 hours ago
Select Singapore Airlines flight, departing Sat, Feb 14 from Hong Kong SAR to Adelaide, returning Sun, Feb 22, priced at $1,089 found 4 hours ago

Frequently asked questions

How much does a flight from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL) cost?
Secure a cheap one-way flight from $390 or cheap return flight from $616 from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL)?
The cheapest month to fly from HKG to ADL is February, when demand is low. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest HKG to ADL flight.
How many flights per day from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL)?
You'll need to take a flight with a layover when traveling from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from HKG to ADL?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL)?
Book a flight from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL) last-minute?
Last-minute fares from HKG to ADL are typically more expensive. For the lowest rates, start searching for flights well in advance. That said, if you're flexible with your travel plans, it's possible to score a cheap fare right before your journey.
Is it cheaper to book a HKG to ADL flight and hotel package?
Securing a HKG to ADL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hong Kong Intl. Airport (HKG) to Adelaide Airport (ADL)?
Typically, you can reschedule or cancel your HKG to ADL flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

Origin airport
Hong Kong Intl.
Destination airport
Adelaide
Airlines serving
Cathay Pacific, China Eastern Airlines, Malaysia Airlines, Qantas Airways, Singapore Airlines
Roundtrip price
$615
Distance
4271 mi

Book with confidence

Hong Kong to Adelaide Flights

The cheapest times to fly from Hong Kong to Adelaide

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hong Kong to Adelaide are during the month of February. You can find some of the cheapest flights from Hong Kong to Adelaide with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hong Kong to Adelaide

Sunday is one of the best days to book for cheap flights from Hong Kong to Adelaide: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hong Kong to Adelaide

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hong Kong to Adelaide in 2025. You can also book with separate airlines for your outbound and return journeys, from $390 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hong Kong to Adelaide flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hong Kong to Adelaide airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Hong Kong to Adelaide Flights

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*Available to One Key members.