Cheap flights from Hong Kong to Australia from £221

The month of June is, on average, the cheapest month to fly to Australia from Hong Kong, with most prices found around £121. The month of January is another great option to travel to Australia, with average flight prices from Hong Kong averaging around £179.

The cheapest day to depart on your flight to Australia is on a Thursday when prices can be found for as low as £452. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Australia is Sunday, with ticket prices averaging around £749.

In the evening is the cheapest time of day to fly from Hong Kong to Australia when you can find flight prices for as low as £568. Flying to Australia in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Australia is in the morning when prices are around £696.

Fly from Hong Kong Intl to Sydney Kingsford Smith 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 £558 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 £486 on momondo.

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

Cathay Pacific, Qantas Airways and Batik Air 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 53% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 3 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% 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 126 minutes.

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

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday 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 16% of their flights experiencing any sort of delay.

As of May 2026, there are 49 flights per day flying from Hong Kong to Australia. The most common time of day flights depart is 19:00, with 52% of flights taking off in the evening.

As of May 2026, there are 345 flights per week flying from Hong Kong to Australia. The most common day of the week flights depart is Fri, with 18% of flights taking off on this day.