Cheap flights from Hong Kong to Australia from $309

In general, March is the cheapest month to fly from Hong Kong to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $917. If you don’t want to visit Australia in March, then you should wait until May to fly from Hong Kong, when ticket prices are also cheap, with an average price of $978.

On average, the least expensive day to fly to Australia from Hong Kong is on a Thursday. momondo users have found tickets for Thursday departures for as low as $924. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Hong Kong to Australia on a Friday will generally be more expensive and average around $1,236. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Australia is in the evening. momondo users have found flights departing from Hong Kong to Australia in the evening for as low as $997. 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 Australia are more costly in the morning, with an average ticket price of $1,433. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Hong Kong Intl to Melbourne for the best Hong Kong Intl - Australia flight prices

You are more likely to see cheaper flights to Australia from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,065 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Hong Kong for as low as $960 on momondo.

There are 3 cabin classes available to choose from on Hong Kong to Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

VietJet Air, AirAsia, and Vietnam Airlines are the most popular carriers operating from Hong Kong Intl to Australia

Cathay Pacific, Qantas Airways and Hong Kong Airlines are the top three most popular airlines that fly to Australia 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 travelling to Australia. Keep in mind that there are 5 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between Hong Kong and Australia have experienced a delay on any given week. The average delay length over the past 12 months has been 127 minutes.

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

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 17% of their flights experiencing any sort of delay.

The number of flights available between Hong Kong and Australia is 65 per day as of September 2026. The most frequent departure time is 19:00, with 54% of daily flights leaving in the evening.

The number of flights available between Hong Kong and Australia is 459 per week as of September 2026. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.