Question 1

What is the cheapest time of day to depart on your flight to Sydney?

Accepted Answer

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 $767. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $779. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Question 2

What cabin class options are available on Hong Kong Intl to Sydney Kingsford Smith flights?

Accepted Answer

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.

Question 3

What is the cheapest day to depart on your flight to Sydney?

Accepted Answer

The cheapest day to depart from Hong Kong to Sydney is on a Thursday when prices can be found for as low as $596. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $910.

Question 4

Which airline has the best punctuality record on Hong Kong to Sydney flights?

Accepted Answer

According to our data, Cathay Pacific have had the least number of delays on this route over the last 12 months; with about 19% of their flights experiencing any sort of delay.

Question 5

What is the cheapest month to fly to Sydney?

Accepted Answer

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 $625. If you are unable to visit Sydney during the month of August, then departing from Hong Kong during the month October is also very affordable. Most momondo users find prices during this month for around $632.

Question 6

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 7

What is the cheapest Hong Kong Intl to Sydney Kingsford Smith flight route?

Accepted Answer

Fly from Hong Kong Intl to Sydney Kingsford Smith for the best Hong Kong Intl - Sydney Kingsford Smith flight prices

Question 8

How far in advance should I book a flight to Sydney?

Accepted Answer

You are more likely to see cheaper flights to Sydney from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $781 when searching 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 $601 on momondo.

Question 9

How have Hong Kong to Sydney flight prices changed over time?

Accepted Answer

As of December 2025, prices for Hong Kong to Sydney flights are approximately 6% cheaper when compared to flights at the same time last year.

Question 10

How often are flights from Hong Kong to Sydney delayed?

Accepted Answer

Historically, on average around 35% of flights between Hong Kong and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 117 minutes.

Question 11

Which layover airport has the shortest travel time from Hong Kong to Sydney?

Accepted Answer

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 13h 13m.

Question 12

How many flights depart from Hong Kong to Sydney on average per day?

Accepted Answer

26 flights are operational daily from Hong Kong to Sydney as of December 2025. The most popular departure time for this route is 7:00PM, with 85% of flights per day taking off in the evening.

Question 13

What airlines fly to Sydney?

Accepted Answer

Cathay Pacific, Qantas Airways and Hong Kong Airlines are the top three most popular airlines that fly to Sydney from Hong Kong according to our data. Cathay Pacific is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Question 14

Which layover airport offers the lowest fares from Hong Kong to Sydney?

Accepted Answer

Flights via Manila (MNL) offer the lowest average round-trip price of $533.

Question 15

What is the most punctual flight time for Hong Kong to Sydney flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 16

What is the typical price of a round-trip flight between Hong Kong and Sydney?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $850 to $1,240.
The lowest price recently found on this route was $575.

Question 17

How many flights depart from Hong Kong to Sydney on average per week?

Accepted Answer

As of December 2025, there are 188 flights per week flying from Hong Kong to Sydney. The most common day of the week flights depart is Tue, with 15% of flights taking off on this day.

Question 18

Can stopping save me money on Hong Kong to Sydney flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Hong Kong to Sydney.

Question 19

Which airport is the most popular layover for flights between Hong Kong and Sydney?

Accepted Answer

Manila (MNL) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Question 20

What is the cheapest airline that flies from Hong Kong Intl to Sydney Kingsford Smith?

Accepted Answer

Hong Kong Airlines, Sichuan Airlines, and VietJet Air are the most popular carriers operating from Hong Kong Intl to Sydney Kingsford Smith

Question 21

Which layover airport has the shortest connection time from Hong Kong to Sydney?

Accepted Answer

Singapore (SIN) has the shortest average layover time for this route: 2h 14m.

Question 22

When did momondo last update prices for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?

Accepted Answer

Prices for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport were last updated today.

Question 23

How many operators does momondo search for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?

Accepted Answer

As of December 2025, there are 3 operators available to choose from for flights from Hong Kong Intl Airport to Sydney Kingsford Smith Airport.

Question 24

How old do you have to be to fly from Hong Kong Intl Airport to Sydney Kingsford Smith Airport?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hong Kong Intl Airport to Sydney Kingsford Smith Airport.

Question 25

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

Accepted Answer

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best Price Found	$688
Fastest flight time	9h 10m
Direct flights	Every day
Airports in Sydney	1 airport

Airline	Rating	Free Cancellation	Price
Hong Kong Airlines	PriceFrom $381	Free Cancellation	Rating 0.0 0 reviews	Search Hong Kong Airlines flights
Qantas Airways	PriceFrom $564	Free Cancellation	Rating 7.5 949 reviews	Search Qantas Airways flights
Cathay Pacific	PriceFrom $586	Free Cancellation	Rating 7.6 1,103 reviews	Search Cathay Pacific flights

Cheap flights from Hong Kong to Sydney from $331

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Sydney departing on 4/11. 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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