Cheap flights from Hong Kong to Sydney from £249
This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Sydney departing on 28/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cathay Pacific flights from Hong Kong to Sydney
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How to get the cheapest flight ticket from Hong Kong to Sydney
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Hong Kong and Sydney?
What is the cheapest month to fly to Sydney?
In general, August is the cheapest month to fly from Hong Kong to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £485. If you don’t want to visit Sydney in August, then you should wait until June to fly from Hong Kong, when ticket prices are also cheap, with an average price of £526.
What is the cheapest day to depart on your flight to Sydney?
The cheapest day to depart on your flight to Sydney is on a Friday when prices can be found for as low as £536. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Hong Kong because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £682.
What is the cheapest time of day to depart on your flight to Sydney?
According to our data, the cheapest time of day to fly to Sydney is in the evening. momondo users have found flights departing from Hong Kong to Sydney in the evening for as low as £589. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Sydney, so prices are often more expensive at around £630 per ticket.
What is the cheapest Hong Kong Intl to Sydney Kingsford Smith flight route?
Fly from Hong Kong Intl to Sydney Kingsford Smith for the best Hong Kong Intl - Sydney Kingsford Smith flight prices
How far in advance should I book a flight to Sydney?
You are more likely to see cheaper flights to Sydney from Hong Kong when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £603 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Hong Kong for as low as £500 on momondo.
What cabin class options are available on Hong Kong Intl to Sydney Kingsford Smith flights?
There are 2 cabin classes available to choose from on Hong Kong Intl to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Hong Kong to Sydney flights?
You could potentially save up to 46% on your flight if you consider stops on a Hong Kong to Sydney flight.
How have Hong Kong to Sydney flight prices changed over time?
As of June 2025, prices for Hong Kong to Sydney flights are approximately 13% cheaper when compared to flights at the same time last year.
How many flights depart from Hong Kong to Sydney on average per day?
The number of flights available between Hong Kong and Sydney is 27 per day as of June 2025. The most frequent departure time is 19:00, with 88% of daily flights leaving in the evening.
How many flights depart from Hong Kong to Sydney on average per week?
189 flights are operational weekly from Hong Kong to Sydney as of June 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
When to book flights from Hong Kong to Sydney
Cheap Hong Kong to Sydney (HKG to SYD) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Sydney
How far is Hong Kong Intl to Sydney Kingsford Smith by plane?
Hong Kong Intl and Sydney Kingsford Smith are 4580.5 mi apart from one another. A reasonable flight in good conditions will take 8h 55m.
When did momondo last update prices for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?
Prices for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?
There are 2 operators available for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport as of June 2025.
How old do you have to be to fly from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong Intl Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Hong Kong to Sydney?
momondo data reveals that the most frequently booked plane model on the route from Hong Kong to Sydney is Airbus A330-300, representing 38.60% of all bookings. The subsequent popular models are Airbus A350-900 at 28.27%, Boeing 777-300ER at 25.50%, and Airbus A330-200 at 5.83%.
What is the most popular airline from Hong Kong to Sydney?
momondo data reveals that the most frequently booked airline on the route from Hong Kong to Sydney is Cathay Pacific, representing 64% of all bookings. The subsequent popular airline is Qantas Airways at 36%.
Best airlines flying from Hong Kong to Sydney
Compare and see reviews for airlines that fly from Hong Kong to Sydney with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £452 | Free Cancellation | Rating 7.5 892 reviews | |||
| PriceFrom £482 | Free Cancellation | Rating 7.5 854 reviews |
Cathay Pacific Flights From Hong Kong to Sydney
Cathay Pacific flight deals from Hong Kong to Sydney start from £614 round-trip. Over the 28 Cathay Pacific flights for this route in a normal week, average airfare is usually £799 round-trip - but some users have found much cheaper deals with momondo.
Qantas Airways Flights From Hong Kong to Sydney
Another popular option for Hong Kong to Sydney flights is Qantas Airways (7.5/10, 854 ratings). Qantas Airways flies from Hong Kong to Sydney around 7 times per week, with deals starting from £655 round-trip and rising to an average price of around £815.
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Hong Kong to Sydney?
It is quick and easy to find Hong Kong to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.
Can I find flights from Hong Kong to Sydney with flexible booking policies on momondo?
All flight searches from Hong Kong to Sydney on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Hong Kong to Sydney?
Once you have performed a search for Hong Kong to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Hong Kong to Sydney right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Hong Kong to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.