Cheap flights from Cardiff to Sydney

from as little as £1,246

13 nights in Sydney, departing Cardiff on 09 / Jun / 2025 with KLM (price found 8 hours ago)

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

Cheap return flights from Cardiff to Sydney

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The Cardiff / Sydney route

All 17210 km of it

Cheap flight deals for this route

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Sydney flight facts

What you need to know

Alternative flights from the UK to Sydney

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Sydney

09 / Jun / 2025 is currently the lowest priced day of the year to fly the Cardiff/Sydney route. There are around 56 flights on any given week from the UK to Sydney and the cheapest month to fly right now is June.

Not suitable? Try running another search or viewing all cheap flight deals.

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 Cardiff to Sydney

Tips and advice from our flight experts

You’ve searched for flights from Cardiff to Sydney. We've gone through all 56 flights that go to or via Sydney every week, to help you find the cheapest flight. Air France usually has the best-value flights from Cardiff, but make sure you compare all your options to get the cheapest flight possible.

When you fly from Cardiff to Sydney, you'll have four airlines to choose from for your 17210 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.

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 Air France, KLM & British Airways, as they're the most popular airlines for this journey.

Flights from Cardiff to Sydney normally take 28 hrs 50 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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