How long is the flight from Cardiff to Sydney?

Departing from Cardiff to Sydney will take you 26h 55m. The distance between Cardiff and Sydney is about 17183 km.

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.

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).

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.

$1,311+ Cheap Flights from Cardiff to Sydney

Cheap flight deals from Cardiff to Sydney

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 12 September 2026.

Sun 15/1117:30 -

3 stops26h 55m

Wed 2/1210:35 -

3 stops34h 15m

Deal found 10/9$2,252

Sun 13/909:50 -

2 stops35h 35m

Sun 20/909:50 -

2 stops56h 25m

Deal found 8/9$2,332

Tue 15/917:15 -

2 stops28h 30m

Tue 22/914:45 -

2 stops35h 00m

Deal found 10/9$2,365

Sun 15/1117:30 -

2 stops26h 05m

Wed 2/1210:35 -

3 stops34h 15m

Deal found 10/9$2,427

Sat 24/1007:30 -

2 stops29h 00m

Sat 31/1006:00 -

2 stops28h 25m

Deal found 9/9$2,439

Wed 16/909:45 -

2 stops35h 40m

Wed 23/907:55 -

2 stops58h 20m

Deal found 11/9$2,448

Sun 13/909:35 -

3 stops39h 45m

Sun 20/909:45 -

3 stops45h 00m

Deal found 8/9$2,674

Sat 24/1017:35 -

3 stops27h 50m

Sat 31/1022:10 -

2 stops46h 40m

Deal found 9/9$2,761

Tue 15/923:15 -

2 stops32h 55m

Tue 22/910:35 -

3 stops45h 50m

Deal found 10/9$2,817

Find flight deals from Cardiff to Sydney

Round-trip from	$2,252
One-way from	$1,311
Popular in	December
Cheapest in	May
Average price	$2,777

KLM
15/11-2/12
6 total stops
61h 10m total
Cardiff to Sydney

Search Deals

15/12-31/12
3 total stops
58h 35m total
Cardiff to Sydney

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($906 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($203 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffSydney

CWL Cardiff Wales - SYD Sydney Kingsford Smith

CWLSYD

Cardiff Wales

Tue 15/12

17:30-15:05

3 stops58h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,311

Fastest return journey

CardiffSydney

CWL Cardiff Wales - SYD Sydney Kingsford Smith

CWLSYD

Cardiff Wales

Sun 27/12

09:05-07:20

3 stops35h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,379

CardiffSydney

CWL Cardiff Wales - SYD Sydney Kingsford Smith

CWLSYD

Cardiff Wales

Sun 15/11

17:30-07:25

3 stops26h 55m

Sydney Kingsford Smith

Wed 2/12

10:35-09:50

3 stops34h 15m

$2,252

CardiffSydney

CWL Cardiff Wales - SYD Sydney Kingsford Smith

CWLSYD

Cardiff Wales

Sun 15/11

17:30-06:35

2 stops26h 05m

Sydney Kingsford Smith

Wed 2/12

10:35-09:50

3 stops34h 15m

$2,427

CardiffSydney

CWL Cardiff Wales - SYD Sydney Kingsford Smith

CWLSYD

Cardiff Wales

Thu 1/10

09:45-06:45

2 stops36h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$3,209

CardiffSydney

CWL Cardiff Wales - SYD Sydney Kingsford Smith

CWLSYD

Cardiff Wales

Sat 19/12

10:20-07:20

2 stops34h 00m

Sydney Kingsford Smith

Tue 22/12

22:10-17:00

2 stops53h 50m

$3,469

CardiffSydney

CWL Cardiff Wales - SYD Sydney Kingsford Smith

CWLSYD

Cardiff Wales

Sat 19/12

10:20-07:25

3 stops34h 05m

Sydney Kingsford Smith

Tue 22/12

22:10-17:00

2 stops53h 50m

$4,035

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Sorted by cheapest first

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.

CWL-SYD

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.

Related info for your journey

How long is the flight from Cardiff to Sydney?
Departing from Cardiff to Sydney will take you 26h 55m. 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.

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.

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

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Cheap flights from Cardiff to Sydney from $1,311

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 12 September 2026.

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 12 September 2026.

Best flights from Cardiff to SydneyDiscover 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 12 September 2026.

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 12 September 2026.

Last-minute flights from Cardiff to SydneyDiscover last-minute flight deals from Cardiff to Sydney. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Cardiff to Sydney. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Cardiff to SydneySearch for one-way flight options from Cardiff to Sydney. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from Cardiff to Sydney. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

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Best time to book a flight from Cardiff to Sydney

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Related info for your journey

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?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Cardiff to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to New South Wales

Book a non-stop flight to one of these other cities located in New South Wales.

Search flights from Cardiff to Sydney by cabin class

Find flights from Cardiff to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Cardiff and Sydney flights

Browse other Cardiff and Sydney flight options. Last updated on 12 September 2026.

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Check out other popular destinations found by fellow travellers in 2026

Other flights to Sydney

Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 September 2026.

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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 12 September 2026.

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 12 September 2026.

Last-minute flights from Cardiff to Sydney
Discover last-minute flight deals from Cardiff to Sydney. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Cardiff to Sydney
Search for one-way flight options from Cardiff to Sydney. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.