Cheap flights from Hong Kong to Sydney

from as little as £407

15 nights in Sydney, departing Hong Kong on 11 / Aug / 2025 with Hainan Airlines (price found 20 hours ago)

Subject to availability, prices correct of the last 24 hours
Sydney

The Hong Kong / Sydney route

All 7400 km of it

Cheap flight deals for this route

See what's hot at the moment

No deals available at this time.

Sydney flight facts

What you need to know

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Sydney

11 / Aug / 2025 is currently the lowest priced day of the year to fly the Hong Kong/Sydney route. There are around 130 flights on any given week from the UK to Sydney and the cheapest month to fly right now is August.

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Min / Max Temperature (°C)
LOWEST

8 °C

AVG

17 °C

HIGHEST

26 °C

Rainfall (mm)
LOWEST

60 mm

AVG

95.8 mm

HIGHEST

130 mm

Key facts about Sydney

How to get cheap flights from Hong Kong to Sydney

Tips and advice from our flight experts

We've compared all 130 flights that go to or via Sydney every week, to find the best deal for you. Hong Kong Airlines usually has the cheapest flights from Hong Kong to Sydney, so keep an eye out for them in your search results. If they’re not the cheapest option, try searching by month to compare costs throughout the week.

When you fly 7400 km from Hong Kong to Sydney, you can choose from ten airlines. Flights are most expensive during high season, and you can expect accommodation prices to be higher then too. Last-minute deals do crop up, but it's best to book in advance to avoid disappointment.

If you're fairly flexible about when you want to fly to Sydney, searching by month will show you the cheapest times to go. It’s also worth looking out for flights operated by Qantas, Malaysia Airlines & Thai Airways International, as they're the most popular airlines for this journey.

Flights from Hong Kong to Sydney normally take 13 hrs 40 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our holiday package and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.

Other popular destinations near Sydney

Where other people are flying to

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