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Cheap flights from Cardiff to Australia from $1,398

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Australia
Explore the most affordable flight options available from Cardiff to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Sun 21/1220:45CWL - MEL
2 stops58h 05mMultiple Airlines
Sun 28/1217:10MEL - CWL
2 stops30h 15mMultiple Airlines
Deal found 16/12$3,266
Mon 22/1217:15CWL - SYD
3 stops35h 15mMultiple Airlines
Mon 29/1221:50SYD - CWL
3 stops34h 45mMultiple Airlines
Deal found 16/12$3,591
Mon 22/1217:15CWL - SYD
2 stops27h 10mKLM
Mon 29/1215:55SYD - CWL
2 stops28h 55mKLM
Deal found 16/12$3,695

Find flight deals from Cardiff to Australia

Keep the following information in mind while searching for Cardiff to Australia flight deals. Data was last updated 18 December 2025.

Round-trip from

$2,393

One-way from

$1,398

Popular in

July

Cheapest in

April

Average price

$3,472
1/3-31/3
  • 1/3-31/3
  • 4 total stops
  • 65h 25m total
  • Cardiff to Australia
Search Deals
29/1
  • 29/1
  • 3 total stops
  • 57h 05m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($266 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($145 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Cardiff to Australia that are best for you.

Fly from

Cardiff

Fly to

Australia

Route

Depart

Return

Price

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 1/3

10:20-06:35

2 stops33h 15m

Sydney Kingsford Smith

Tue 31/3

11:05-09:15

2 stops32h 10m

$2,393

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 31/1

20:05-18:35

2 stops35h 30m

Sydney Kingsford Smith

Sat 7/2

21:45-20:55

2 stops34h 10m

$2,400

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Sat 31/1

10:20-09:00

2 stops36h 40m

Brisbane

Sat 7/2

21:00-09:45

2 stops46h 45m

$2,454

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 31/1

10:20-07:25

3 stops34h 05m

Sydney Kingsford Smith

Sat 7/2

14:30-09:45

2 stops30h 15m

$2,539

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 11/1

10:15-10:45

3 stops37h 30m

Sydney Kingsford Smith

Sun 8/2

12:45-16:45

2 stops39h 00m

$2,548

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Sat 31/1

10:20-00:40

3 stops30h 20m

Perth

Sat 7/2

05:35-20:55

3 stops47h 20m

$2,612

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 1/3

17:30-07:30

3 stops27h 00m

Sydney Kingsford Smith

Tue 31/3

11:10-16:45

3 stops39h 35m

$2,652

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Sat 31/1

10:20-15:35

3 stops45h 15m

Perth

Sat 7/2

12:05-09:45

2 stops29h 40m

$2,690

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 13/1

10:20-09:15

3 stops35h 55m

Sydney Kingsford Smith

Tue 20/1

16:35-15:30

2 stops33h 55m

$2,707

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Mon 25/5

09:45-09:30

3 stops38h 45m

Brisbane

Sat 27/6

11:00-21:20

3 stops43h 20m

$2,946

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 23 results
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Best time to book a flight from Cardiff to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

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

Currently, March is the cheapest month in which you can book a flight from Cardiff to Australia (average of $1,505). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,569). 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

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

  • What airport do you fly from for flights from Cardiff to Australia?

    Most people fly from Cardiff Wales (CWL) if they book a flight from Cardiff to Australia. Cardiff Wales is conveniently located just 14.6 km from Cardiff’s city centre.

  • How long is the flight from Cardiff to Australia?

    A quick flight from Cardiff to Australia can take about 27h 45m. KLM provides one of the quickest options available for as low as $2,974. The distance from Cardiff to Australia is about 16686 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Cardiff to Australia?

    While some choose either Cardiff Wales - Melbourne or Cardiff Wales - Perth, Cardiff Wales - Sydney Kingsford Smith is the most popular route from Cardiff to Australia.

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

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

  • How can I find direct flights from Cardiff to Australia?

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

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

    Yes. Cheapflights offers flight deals from Cardiff to Australia 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 Australia?

    Currently, March is the cheapest month in which you can book a flight from Cardiff to Australia (average of $1,505). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,569). 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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Cheapflights makes it easy to find Cardiff to Australia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cardiff to Australia.

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

Certainly. Search results for flights to Australia from Cardiff shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Cardiff to Australia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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