Cheapest one-way
US$ 427
Singapore Airlines Thu, Nov 5 48% below next 30d avg. (US$818)
Cheap Flights from Hong Kong to Adelaide from US$427
Check out flights from US$427 on Thu, Nov 5
Overpaying for Flights?
Book a one-way flight Nonstop from just US$747 with Cathay Pacific - Fri, Nov 13 departures.
Cathay Pacific Official Deal:
Nonstop round trip flights from just US$1,096. Book your Sat, Nov 14 - Fri, Nov 20 trip today.
Monthly Flight Specials - Hong Kong to Adelaide
September Flash Sale: US$409 (Hong Kong Airlines, September 16, 2026)
October Special: US$432 (Hong Kong Airlines, September 16, 2026)
November Deal: US$747 (Cathay Pacific, Fri, Nov 13)
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Flights from Hong Kong to Adelaide
Hi, I've summed up all the key info for Hong Kong to Adelaide flights
Singapore Airlines Thu, Nov 5 Cheapest round-trip
US$ 624
Singapore Airlines Thu, Nov 5 48% below next 30d avg. (US$1,201)
Fastest flight
8h 30m
Recommended airlines
When to fly
NovemberCheapest month
JanuaryPeak month
With a lowest one-way fare of US$427 , travelers can expect an average price of US$818 for upcoming trips, while round-trip tickets start at US$624 . There are 1 flights weekly on this route. You can land at any one of the following hubs in Adelaide: Adelaide Airport (ADL) . Flying from Hong Kong International Airport to Adelaide Airport (HKG-ADL) is by far the most common option on this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .
Updated 12h ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.
How can I find cheap flights from Hong Kong to Adelaide?
Explore the cheapest one-way and round-trip flights from Hong Kong to Adelaide over the next 90 days, with one-way fares from US$427 and round-trip from US$624. Based on Trip.com's latest 7-day flight data.
- One way
- Round-trip
-
- Cheapest nonstop
HKG 23:308h 30mNonstopADL 10:30Hong Kong - Adelaide | Sat, Nov 14 | Cathay PacificADL 12:008h 45mNonstopHKG 18:15Adelaide - Hong Kong | Fri, Nov 20 | Cathay Pacific
Price detailsDepartureHKG-ADLEconomy class IncludedIn-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-HKGEconomy class IncludedIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$1,096 US$1,33718% off18% offUS$1,337 US$1,096 -
HKG 23:308h 30mNonstopADL 10:30Hong Kong - Adelaide | Tue, Nov 10 | Cathay Pacific
ADL 12:008h 45mNonstopHKG 18:15Adelaide - Hong Kong | Fri, Nov 13 | Cathay Pacific
Price detailsDepartureHKG-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-HKGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$1,096 US$1,33718% off18% offUS$1,337 US$1,096
-
HKG 15:4514h 35m1 stopADL 08:50Hong Kong - Adelaide | Thu, Nov 5 | Singapore Airlines
ADL 18:3530h 40m1 stopHKG 22:45Adelaide - Hong Kong | Thu, Nov 12 | Singapore Airlines
Price detailsDepartureHKG-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-HKGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$624 US$1,33753% off53% offUS$1,337 US$624 -
HKG 09:0521h 15m1 stopADL 08:50Hong Kong - Adelaide | Mon, Nov 9 | Singapore Airlines
ADL 10:1515h1 stopHKG 22:45Adelaide - Hong Kong | Fri, Nov 13 | Singapore Airlines
Price detailsDepartureHKG-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-HKGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$62453% offUS$1,337 US$624
-
HKG 14:1016h 10m1 stopADL 08:50Hong Kong - Adelaide | Sun, Nov 8 | Singapore Airlines
ADL 10:1515h1 stopHKG 22:45Adelaide - Hong Kong | Fri, Nov 13 | Singapore Airlines
Price detailsDepartureHKG-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-HKGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$63353% offUS$1,337 US$633
-
HKG 09:0521h 15m1 stopADL 08:50Hong Kong - Adelaide | Thu, Nov 12 | Singapore Airlines
ADL 10:1527h 35m1 stopHKG 11:20Adelaide - Hong Kong | Mon, Nov 16 | Singapore Airlines
Price detailsDepartureHKG-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-HKGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$65351% offUS$1,337 US$653
-
HKG 15:4523h 5m1 stopADL 17:20Hong Kong - Adelaide | Wed, Nov 11 | Singapore Airlines
ADL 10:1515h1 stopHKG 22:45Adelaide - Hong Kong | Mon, Nov 16 | Singapore Airlines
Price detailsDepartureHKG-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy class
Included
Wi-Fi (additional charge)USB port and power outletReturnADL-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-HKGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$66350% offUS$1,337 US$663
-
HKG 18:5011h 30m1 stopADL 08:50Hong Kong - Adelaide | Sun, Nov 1 | Singapore Airlines
ADL 18:3525h 5m1 stopHKG 17:10Adelaide - Hong Kong | Sat, Nov 7 | Singapore Airlines
Price detailsDepartureHKG-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-HKGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$67749% offUS$1,337 US$677
-
HKG 12:3017h 50m1 stopADL 08:50Hong Kong - Adelaide | Fri, Nov 13 | Singapore Airlines
ADL 10:1515h1 stopHKG 22:45Adelaide - Hong Kong | Mon, Nov 16 | Singapore Airlines
Price detailsDepartureHKG-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-HKGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$69348% offUS$1,337 US$693
-
HKG 20:0515h1 stopADL 13:35Hong Kong - Adelaide | Mon, Oct 19 | Qantas Airways
ADL 06:0014h 25m1 stopHKG 17:55Adelaide - Hong Kong | Fri, Oct 23 | Qantas Airways
Price detailsDepartureHKG-MELEconomy class
Included
In-flight meals are availableUSB port and power outletMEL-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-MELEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletMEL-HKGEconomy class
Included
In-flight meals are availableUSB port and power outletUS$75444% offUS$1,337 US$754 -
HKG 20:0515h1 stopADL 13:35Hong Kong - Adelaide | Tue, Oct 20 | Qantas Airways
ADL 06:0014h 25m1 stopHKG 17:55Adelaide - Hong Kong | Fri, Oct 23 | Qantas Airways
Price detailsDepartureHKG-MELEconomy class
Included
In-flight meals are availableUSB port and power outletMEL-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-MELEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletMEL-HKGEconomy class
Included
In-flight meals are availableUSB port and power outletUS$75444% offUS$1,337 US$754
-
HKG 14:1024h 40m1 stopADL 17:20Hong Kong - Adelaide | Fri, Oct 30 | Singapore Airlines
ADL 10:1530h 10m1 stopHKG 13:55Adelaide - Hong Kong | Mon, Nov 2 | Singapore Airlines
Price detailsDepartureHKG-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletReturnADL-SINEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-HKGEconomy class
Included
In-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$76543% offUS$1,337 US$765
-
HKG 13:0017h 25m1 stopADL 14:00Hong Kong - Adelaide | Fri, Sep 18 | Normal Airline
ADL 15:006hNonstopHKG 16:00Adelaide - Hong Kong | Sun, Sep 20 | Normal AirlineMore cheap flightsMore cheap flights
-
Cheapest nonstopHKG 23:308h 30mNonstopADL 10:30Hong Kong - Adelaide | Fri, Nov 13 | Cathay Pacific
Price detailsHKG-ADLEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$747 US$92419% off19% offUS$924 US$747
-
HKG 23:308h 30mNonstopADL 10:30Hong Kong - Adelaide | Sun, Nov 15 | Cathay Pacific
Price detailsHKG-ADLEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$757 US$92418% off18% offUS$924 US$757
-
HKG 09:0521h 15m1 stopADL 08:50Hong Kong - Adelaide | Thu, Nov 5 | Singapore Airlines
Price detailsHKG-SINEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$427 US$92454% off54% offUS$924 US$427
-
HKG 12:3026h 20m1 stopADL 17:20Hong Kong - Adelaide | Sat, Oct 31 | Singapore Airlines
Price detailsHKG-SINEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$43253% offUS$924 US$432
-
HKG 09:0521h 15m1 stopADL 08:50Hong Kong - Adelaide | Mon, Nov 9 | Singapore Airlines
Price detailsHKG-SINEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$44452% offUS$924 US$444
-
HKG 09:0521h 15m1 stopADL 08:50Hong Kong - Adelaide | Thu, Nov 12 | Singapore Airlines
Price detailsHKG-SINEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$44452% offUS$924 US$444
-
HKG 12:3017h 50m1 stopADL 08:50Hong Kong - Adelaide | Sun, Nov 8 | Singapore Airlines
Price detailsHKG-SINEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$44452% offUS$924 US$444
-
HKG 22:5518h 15m1 stopADL 19:40Hong Kong - Adelaide | Tue, Oct 13 | Hong Kong Airlines
Price detailsHKG-MELEconomy classIn-flight meals are availableUSB port and power outletUS$44652% offUS$924 US$446 -
HKG 09:0521h 15m1 stopADL 08:50Hong Kong - Adelaide | Thu, Oct 29 | Singapore Airlines
Price detailsHKG-SINEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$45251% offUS$924 US$452
-
HKG 20:4533h 10m1 stopADL 08:25Hong Kong - Adelaide | Thu, Oct 22 | Singapore Airlines
US$46350% offUS$924 US$463
-
HKG 22:3521h 5m1 stopADL 22:10Hong Kong - Adelaide | Tue, Oct 27 | Hong Kong Airlines
Price detailsHKG-MELEconomy classIn-flight meals are availableUSB port and power outletMEL-ADLEconomy classUS$46650% offUS$924 US$466
-
HKG 09:0521h 15m1 stopADL 08:50Hong Kong - Adelaide | Sat, Nov 14 | Singapore Airlines
Price detailsHKG-SINEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletSIN-ADLEconomy classIn-flight meals are availableWi-Fi (additional charge)USB port and power outletUS$48448% offUS$924 US$484
-
HKG 13:0017h 25m1 stopADL 14:00Hong Kong - Adelaide | Fri, Sep 18 | Normal AirlineMore cheap flightsMore cheap flights
Which airlines are the most popular for Hong Kong to Adelaide flights?
The most popular airlines flying from Hong Kong to Adelaide are Qantas Airways, Malaysia Airlines, and China Eastern Airlines, among 5 carriers on this route. Singapore Airlines offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Qantas Airways 
Malaysia Airlines 
China Eastern Airlines 
Cathay Pacific 
Hong Kong Airlines Airlines are determined based on actual purchased flight tickets from Hong Kong to Adelaide according to previous 12 months data from Trip.com.
Trip.com Price Trends on Flights from Hong Kong to Adelaide
Which month has the cheapest one-way flights from Hong Kong to Adelaide?
Based on Trip.com’s data, the cheapest month for flights from Hong Kong to Adelaide is June, with an average price of US$538; while the month with the highest flight price is usually January, with an average price of up to US$964.
US$964
US$751
US$538
US$325
Which month has the cheapest round-trip flights from Hong Kong to Adelaide?
Based on data from Trip.com, the lowest prices for round-trip flights from Hong Kong to Adelaide are found during March, with an average price of US$952. Conversely, the highest prices are found during January, with an average price of up to US$1,400.
US$1,400
US$1,176
US$952
US$728
Frequently Asked Questions
What are the cheapest flights from Hong Kong to Adelaide (HKG-ADL)?
Based on Trip.com data, Singapore Airlines offers one-way fares as low as US$427 on Cheapest nonstop routes (e.g. HKG to ADL on Thu, Nov 5), while Singapore Airlines offers Cheapest nonstop round-trips from US$624 departing on Thu, Nov 5 and returning on Thu, Nov 12.Which airlines offer direct flights from Hong Kong to Adelaide?
At the moment, you can catch a nonstop flight from Hong Kong to Adelaide with the following airlines, including: Hong Kong Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.When is the best time to book flights from Hong Kong to Adelaide?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong to Adelaide is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.How many flights are there per week from Hong Kong to Adelaide?
Based on Trip.com data in the past 4 weeks, there is 1 flight per week flying from Hong Kong to Adelaide. You can check the weekly schedule for popular airlines on this route below: Cathay Pacific: -/-/-/-/-/-/- -- CX173 (23:46)How can I find the best deals on flights from Hong Kong to Adelaide?
To find best deals on flights from Hong Kong to Adelaide, you can use various tools on Trip.com:
· Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Nov 5, with one-way flights priced at just US$427.
· Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cathay Pacific.
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Avoid peak season unless you book very early. It seems the peak season for Adelaide travel is around January.
· Get exclusive promo codes for Trip.com app users.When are flight tickets from Hong Kong (HKG) to Adelaide (ADL) the cheapest?
The cheapest months to fly from Hong Kong to Adelaide is November, when demand for travel is lower.Which upcoming date is cheapest to fly from Hong Kong to Adelaide on?
After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Hong Kong to Adelaide on September 16, 2026 with Hong Kong Airlines, with prices starting at US$409.Which airports fly into Adelaide from Hong Kong?
You can land at any one of the following hubs in Adelaide: Adelaide Airport (ADL). Flying from Hong Kong International Airport to Adelaide Airport (HKG-ADL) is by far the most common option on this route.Is there any time difference between Hong Kong and Adelaide?
The time difference between Adelaide and Hong Kong is 1h.How do I change or cancel my ticket from Hong Kong to Adelaide?
Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.What is the average cost of a one-way flight from Hong Kong to Adelaide?
Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Hong Kong to Adelaide is US$818. Fares vary by travel date, airline and availability.What is the average cost of a round-trip flight from Hong Kong to Adelaide?
Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Hong Kong to Adelaide is US$1,201. The final price depends on the outbound and return dates, airline and fare conditions.How do I book flights from Hong Kong to Adelaide on Trip.com?
Enter Hong Kong and Adelaide, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.Are there budget airlines on the Hong Kong to Adelaide route?
Jetstar Airwaysare the most popular budget airlines flying from Hong Kong to Adelaide. Check baggage, seat and payment fees before comparing the final price.
Trip.com Airline Insights on Flights from Hong Kong to Adelaide
Which airline offers the cheapest direct flights from Hong Kong to Adelaide?
Based on Trip.com’s data from the past 12 months, China Eastern Airlines provides the lowest-priced direct flights from Hong Kong to Adelaide, with fares starting at US$535.
US$325
US$535
US$746
US$957
US$1,167
China Eastern Airlines US$535China Eastern Airlines
Malaysia Airlines US$659Malaysia Airlines
Hong Kong Airlines US$790Hong Kong Airlines
Qantas Airways US$893Qantas Airways
Singapore Airlines US$904Singapore Airlines
Cathay Pacific US$1,167Cathay Pacific
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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.