How long is the flight from Cardiff to Sydney?

Departing from Cardiff to Sydney will take you 26h 10m. The distance between Cardiff and Sydney is about 17183 km. Find deals

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm. Find deals

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C). Find deals

What is the cheapest month to fly from Cardiff to Sydney?

The best pricing can be found in the month of April. Prices to Sydney from Cardiff average $2,749. You can even find prices in April for less than $2,749, as users have found deals to Sydney from as low as $2,044. The month of December appears to be one of the more expensive times to travel to Sydney from Cardiff. Flying in the targeted month can save you up to 25%.

What is the cheapest time of day to fly from CWL to SYD?

When flying from Cardiff to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Cardiff to Sydney that include hotel bookings?

Yes. In addition to deals on Cardiff to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Cardiff to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Sydney.

Can I find deals for business class flights from Cardiff to Sydney?

Yes. Cheapflights offers flight deals from Cardiff to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,324+ Cheap Flights from Cardiff to Sydney

Cheap flight deals from Cardiff to Sydney

Round-trip from	$2,190
One-way from	$1,324
Popular in	December
Cheapest in	April
Average price	$3,021

21/10-27/10
6 total stops
68h 55m total
Cardiff to Sydney

Search Deals

16/1
3 total stops
59h 10m total
Cardiff to Sydney

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($675 potential increase over avg. return price).

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Cheapest flight prices on average. 2% potential price decrease ($97 potential savings vs. average return price).

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Average for round-trip flights in September 2025

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Find flight deals from Cardiff to Sydney

Cheapest flights from Cardiff to Sydney
Explore the most affordable flight options available from Cardiff to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Tue 21/1016:20CWL - SYD

3 stops32h 40mMultiple Airlines

Mon 27/1020:05SYD - CWL

3 stops36h 15mMultiple Airlines

Deal found 14/9$2,190

Thu 30/1010:30CWL - SYD

3 stops35h 45mMultiple Airlines

Thu 6/1121:30SYD - CWL

2 stops35h 30mMultiple Airlines

Deal found 15/9$2,208

Wed 29/1017:25CWL - SYD

2 stops26h 10mKLM

Wed 5/1115:55SYD - CWL

2 stops36h 00mKLM

Deal found 14/9$2,467

Wed 29/1015:55CWL - SYD

3 stops30h 40mMultiple Airlines

Wed 5/1116:35SYD - CWL

2 stops28h 30mMultiple Airlines

Deal found 14/9$2,619

Wed 1/1009:50CWL - SYD

3 stops38h 55mMultiple Airlines

Mon 13/1012:45SYD - CWL

3 stops30h 30mMultiple Airlines

Deal found 15/9$3,021

Best flights from Cardiff to Sydney
Discover carefully curated flight deals from Cardiff to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Tue 21/1016:20CWL - SYD

3 stops32h 40mMultiple Airlines

Mon 27/1020:05SYD - CWL

3 stops36h 15mMultiple Airlines

Deal found 14/9$2,190

Wed 29/1017:25CWL - SYD

2 stops26h 10mKLM

Wed 5/1115:55SYD - CWL

2 stops36h 00mKLM

Deal found 14/9$2,467

Thu 30/1010:30CWL - SYD

3 stops35h 45mMultiple Airlines

Thu 6/1121:30SYD - CWL

2 stops35h 30mMultiple Airlines

Deal found 15/9$2,208

Fri 6/317:25CWL - SYD

2 stops51h 10mMultiple Airlines

Fri 27/310:30SYD - CWL

2 stops34h 20mMultiple Airlines

Deal found 15/9$2,307

Wed 29/1015:55CWL - SYD

3 stops30h 40mMultiple Airlines

Wed 5/1116:35SYD - CWL

2 stops28h 30mMultiple Airlines

Deal found 14/9$2,619

Wed 1/1009:50CWL - SYD

3 stops38h 55mMultiple Airlines

Mon 13/1012:45SYD - CWL

3 stops30h 30mMultiple Airlines

Deal found 15/9$3,021

Last-minute flights from Cardiff to Sydney
Discover last-minute flight deals from Cardiff to Sydney. Data last updated 16 September 2025 and is based on user searches.

Wed 1/1009:50CWL - SYD

3 stops38h 55mMultiple Airlines

Mon 13/1012:45SYD - CWL

3 stops30h 30mMultiple Airlines

Deal found 15/9$3,021

Tue 21/1016:20CWL - SYD

3 stops32h 40mMultiple Airlines

Mon 27/1020:05SYD - CWL

3 stops36h 15mMultiple Airlines

Deal found 14/9$2,190

Wed 29/1017:25CWL - SYD

2 stops26h 10mKLM

Wed 5/1115:55SYD - CWL

2 stops36h 00mKLM

Deal found 14/9$2,467

Wed 29/1015:55CWL - SYD

3 stops30h 40mMultiple Airlines

Wed 5/1116:35SYD - CWL

2 stops28h 30mMultiple Airlines

Deal found 14/9$2,619

Thu 30/1010:30CWL - SYD

3 stops35h 45mMultiple Airlines

Thu 6/1121:30SYD - CWL

2 stops35h 30mMultiple Airlines

Deal found 15/9$2,208

Fly from

Fly to

Route

Depart

Return

Price

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 21/10

16:20-11:00

3 stops32h 40m

Sydney Kingsford Smith

Mon 27/10

20:05-21:20

3 stops36h 15m

$2,190

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 30/10

10:30-09:15

3 stops35h 45m

Sydney Kingsford Smith

Thu 6/11

21:30-22:00

2 stops35h 30m

$2,208

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 6/3

17:25-07:35

2 stops51h 10m

Sydney Kingsford Smith

Fri 27/3

10:30-09:50

2 stops34h 20m

$2,307

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 29/10

17:25-06:35

2 stops26h 10m

Sydney Kingsford Smith

Wed 5/11

15:55-16:55

2 stops36h 00m

$2,467

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 29/10

15:55-09:35

3 stops30h 40m

Sydney Kingsford Smith

Wed 5/11

16:35-10:05

2 stops28h 30m

$2,619

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 1/10

09:50-09:45

3 stops38h 55m

Sydney Kingsford Smith

Mon 13/10

12:45-09:15

3 stops30h 30m

$3,021

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 16/1

22:25-20:35

3 stops59h 10m

$1,324

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Best time to book a flight from Cardiff to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Cardiff with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Sydney

What is the cheapest month to book a flight from Cardiff to Sydney?

Currently, May is the cheapest month in which you can book a flight from Cardiff to Sydney (average of $129). Flying from Cardiff to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

How long is the flight from Cardiff to Sydney?
Departing from Cardiff to Sydney will take you 26h 10m. The distance between Cardiff and Sydney is about 17183 km.
Can I find deals for flights from Cardiff to Sydney that include hotel bookings?
Yes. In addition to deals on Cardiff to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cardiff to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Sydney.
Can I find deals for business class flights from Cardiff to Sydney?
Yes. Cheapflights offers flight deals from Cardiff to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Cardiff to Sydney?
Currently, May is the cheapest month in which you can book a flight from Cardiff to Sydney (average of $129). Flying from Cardiff to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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When you search for this flight from Cardiff to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Sydney?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Cardiff.

Can Cheapflights find flights from Cardiff to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Cardiff to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Cardiff to Sydney become cheaper?

Yes! Start tracking prices for Cardiff to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Cardiff to Sydney from $1,324

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Cardiff to Sydney

Cheapest flights from Cardiff to SydneyExplore the most affordable flight options available from Cardiff to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Cardiff to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to Sydney that are best for you.

Best time to book a flight from Cardiff to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Cardiff with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Cardiff to Sydney

What is the cheapest month to book a flight from Cardiff to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Cardiff to Sydney?

Can I find deals for flights from Cardiff to Sydney that include hotel bookings?

How can I find direct flights from Cardiff to Sydney?

Can I find deals for business class flights from Cardiff to Sydney?

What is the cheapest month to book a flight from Cardiff to Sydney?

Travelling to a place near Sydney?

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Alternative routes for Cardiff to Sydney

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Fly with Cheapflights

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How does Cheapflights help users find flights from Cardiff to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Sydney?

Can Cheapflights find flights from Cardiff to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Cardiff to Sydney become cheaper?

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Cheapest flights from Cardiff to Sydney
Explore the most affordable flight options available from Cardiff to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.