Cheap flights from Sydney to Hong Kong from $321

If you don’t want to visit Hong Kong in August, then you should wait until October to fly from Sydney, when ticket prices are also cheap, with an average price of $831.

The cheapest day to depart on your flight to Hong Kong is on a Tuesday when prices can be found for as low as $1,262. This is often the case because there is less demand to fly during this day of the week. Flights from Sydney to Hong Kong on a Sunday will generally be more expensive and average around $1,373. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Sydney to Hong Kong flights are usually those with departure times in the morning. Our users have found flights to Hong Kong in the morning for as low as $1,239. In the afternoon is when there is more demand to fly to Hong Kong, so prices are often more expensive at around $1,765 per ticket.

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

You are more likely to see cheaper flights to Hong Kong from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $985 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Sydney for as low as $868 on momondo.

There are 4 cabin classes available to choose from on Sydney Kingsford Smith to Hong Kong Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of February 2026, prices for Sydney to Hong Kong flights are approximately 5% more expensive when compared to flights at the same time last year.

Scoot is the most popular carrier operating from Sydney Kingsford Smith to Hong Kong Intl

Cathay Pacific, Qantas Airways and Hong Kong Airlines are the top three most popular airlines that fly to Hong Kong from Sydney according to our data. Cathay Pacific is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Hong Kong. Keep in mind that there are 15 different airlines that fly to Hong Kong on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between Sydney and Hong Kong have experienced a delay on any given week. The average delay length over the past 12 months has been 142 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Friday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Cathay Pacific have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

Singapore (SIN) was the most common stop: 37% of momondo users choosing one-stop flights on this route connected there.

Flights via Taipei City (TPE) offer the lowest average return price of $821.

Flights connecting via Taipei City (TPE) have the shortest average one-way travel time: 13h 55m.

Taipei City (TPE) has the shortest average stopover time for this route: 1h 58m.

25 flights are operational daily from Sydney to Hong Kong as of February 2026. The most popular departure time for this route is 11:00, with 58% of flights per day taking off at midday.

177 flights are operational weekly from Sydney to Hong Kong as of February 2026. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.