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Cheap flights from Cardiff to Australia from $953

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
30 Aug — 6 Sep1
1 adult

Cheap flight deals from Cardiff to Australia

Keep the following information in mind while searching for Cardiff to Australia flight deals. Data was last updated 25 August 2025.

Round-trip from

$2,320

One-way from

$953

Popular in

December

Cheapest in

April

Average price

$3,034
KLM
  • KLM
  • 10/9-8/10
  • 4 total stops
  • 90h 45m total
  • Cardiff to Australia
Search Deals
1/11
  • 1/11
  • 3 total stops
  • 47h 15m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($802 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($103 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Cardiff to Australia

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 25 August 2025.

Wed 10/909:50CWL - SYD
2 stops34h 20mMultiple Airlines
Wed 8/1010:50SYD - CWL
2 stops56h 25mMultiple Airlines
Deal found 24/8$2,320
Wed 8/1009:50CWL - PER
3 stops35h 40mMultiple Airlines
Wed 15/1005:10PER - CWL
3 stops45h 30mMultiple Airlines
Deal found 24/8$2,335
Fri 5/919:45CWL - PER
2 stops33h 10mMultiple Airlines
Sun 5/1022:45PER - CWL
2 stops52h 00mMultiple Airlines
Deal found 25/8$2,498
Thu 28/807:55CWL - PER
3 stops38h 55mMultiple Airlines
Tue 30/916:10PER - CWL
2 stops30h 25mMultiple Airlines
Deal found 23/8$2,523
Mon 1/1213:00CWL - MEL
2 stops30h 25mMultiple Airlines
Mon 22/1223:55MEL - CWL
2 stops48h 45mMultiple Airlines
Deal found 23/8$2,612
Tue 7/1016:20CWL - SYD
3 stops32h 50mMultiple Airlines
Tue 14/1016:40SYD - CWL
3 stops37h 10mMultiple Airlines
Deal found 23/8$2,783
Wed 8/1017:15CWL - MEL
3 stops32h 00mMultiple Airlines
Wed 15/1011:20MEL - CWL
2 stops39h 25mMultiple Airlines
Deal found 24/8$2,786
Thu 28/817:15CWL - PER
2 stops24h 25mKLM
Tue 30/915:50PER - CWL
2 stops24h 25mKLM
Deal found 23/8$2,848
Sat 30/809:45CWL - SYD
2 stops36h 00mAir France
Sat 6/911:00SYD - CWL
2 stops62h 45mAir France
Deal found 25/8$2,860
Fri 5/917:15CWL - PER
2 stops24h 25mKLM
Sat 4/1002:10PER - CWL
2 stops38h 05mKLM
Deal found 25/8$2,866
Tue 7/1016:20CWL - MEL
3 stops32h 00mMultiple Airlines
Tue 14/1013:05MEL - CWL
3 stops40h 45mMultiple Airlines
Deal found 23/8$2,888
Wed 8/1009:50CWL - SYD
3 stops38h 55mMultiple Airlines
Wed 15/1013:50SYD - CWL
3 stops39h 50mMultiple Airlines
Deal found 24/8$3,049

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 25 August 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

Wed 10/9

09:50-05:10

2 stops34h 20m

Sydney Kingsford Smith

Wed 8/10

10:50-09:15

2 stops56h 25m

$2,320

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Wed 8/10

09:50-04:30

3 stops35h 40m

Perth

Wed 15/10

05:10-19:40

3 stops45h 30m

$2,335

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Mon 1/12

13:00-06:25

2 stops30h 25m

Melbourne

Mon 22/12

23:55-13:40

2 stops48h 45m

$2,612

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 7/10

16:20-11:10

3 stops32h 50m

Sydney Kingsford Smith

Tue 14/10

16:40-19:50

3 stops37h 10m

$2,783

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Wed 8/10

17:15-11:15

3 stops32h 00m

Melbourne

Wed 15/10

11:20-16:45

2 stops39h 25m

$2,786

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Tue 7/10

16:20-10:20

3 stops32h 00m

Melbourne

Tue 14/10

13:05-19:50

3 stops40h 45m

$2,888

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 8/10

09:50-10:45

3 stops38h 55m

Sydney Kingsford Smith

Wed 15/10

13:50-19:40

3 stops39h 50m

$3,049

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Tue 7/10

20:15-17:30

2 stops36h 15m

Brisbane

Tue 14/10

15:10-15:35

2 stops33h 25m

$3,200

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 8/10

09:50-07:25

2 stops35h 35m

Sydney Kingsford Smith

Wed 15/10

11:20-09:15

2 stops31h 55m

$3,314

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 7/10

09:50-07:25

2 stops35h 35m

Sydney Kingsford Smith

Tue 14/10

10:50-09:15

2 stops56h 25m

$3,320

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 16 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, May is the cheapest month in which you can book a flight from Cardiff to Australia (average of $129). Flying from Cardiff to Australia 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

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.

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

    While some choose either Cardiff Wales - Melbourne or Cardiff Wales - Sydney Kingsford Smith, Cardiff Wales - Perth 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, May is the cheapest month in which you can book a flight from Cardiff to Australia (average of $129). Flying from Cardiff to Australia 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.

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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.

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