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Cheap flights from Cardiff to Australia from $1,148

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 7 November 2025.

Tue 11/1113:00CWL - MEL
2 stops47h 45mMultiple Airlines
Tue 18/1123:40MEL - CWL
2 stops27h 20mMultiple Airlines
Deal found 6/11$2,439
Tue 11/1110:20CWL - MEL
2 stops32h 55mMultiple Airlines
Tue 25/1107:00MEL - CWL
3 stops37h 50mMultiple Airlines
Deal found 5/11$2,487
Thu 6/1110:30CWL - MEL
2 stops26h 15mMultiple Airlines
Thu 13/1123:40MEL - CWL
2 stops33h 20mMultiple Airlines
Deal found 5/11$2,524
Tue 25/1110:20CWL - MEL
2 stops32h 55mMultiple Airlines
Fri 28/1111:05MEL - CWL
2 stops33h 45mMultiple Airlines
Deal found 5/11$2,781
Tue 11/1117:25CWL - MEL
3 stops48h 30mKLM
Tue 25/1116:00MEL - CWL
3 stops28h 50mKLM
Deal found 6/11$2,836
Thu 4/1210:20CWL - SYD
2 stops62h 55mMultiple Airlines
Wed 10/1222:10SYD - CWL
2 stops46h 40mMultiple Airlines
Deal found 6/11$2,930
Mon 10/1123:30CWL - PER
2 stops33h 50mMultiple Airlines
Mon 1/1208:30PER - CWL
2 stops33h 20mMultiple Airlines
Deal found 5/11$3,024
Mon 29/1210:20CWL - SYD
2 stops35h 00mMultiple Airlines
Mon 12/111:15SYD - CWL
2 stops33h 35mMultiple Airlines
Deal found 7/11$3,138
Thu 4/1210:20CWL - SYD
2 stops33h 15mKLM
Wed 10/1214:30SYD - CWL
2 stops37h 25mKLM
Deal found 6/11$3,230
Sat 27/1210:20CWL - SYD
2 stops35h 00mMultiple Airlines
Sat 17/122:20SYD - CWL
2 stops53h 25mMultiple Airlines
Deal found 5/11$3,359
Mon 22/1223:30CWL - PER
3 stops31h 55mMultiple Airlines
Mon 29/1217:45PER - CWL
3 stops35h 50mMultiple Airlines
Deal found 7/11$3,372
Sun 21/1210:15CWL - BNE
3 stops36h 00mMultiple Airlines
Sun 28/1215:10BNE - CWL
2 stops31h 15mMultiple Airlines
Deal found 6/11$3,866

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 7 November 2025.

Round-trip from

$2,293

One-way from

$1,148

Popular in

July

Cheapest in

April

Average price

$2,822
29/3-8/4
  • 29/3-8/4
  • 5 total stops
  • 79h 20m total
  • Cardiff to Australia
Search Deals
15/2
  • 15/2
  • 3 total stops
  • 58h 30m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($229 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($114 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 7 November 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 29/3

09:50-07:10

2 stops35h 20m

Sydney Kingsford Smith

Wed 8/4

11:00-22:00

3 stops44h 00m

$2,293

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 25/4

09:25-06:10

3 stops35h 45m

Sydney Kingsford Smith

Wed 20/5

11:00-22:00

3 stops44h 00m

$2,319

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Thu 12/3

17:25-23:55

2 stops22h 30m

Perth

Sun 15/3

02:25-09:50

2 stops39h 25m

$2,487

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 30/3

17:15-09:25

3 stops30h 10m

Sydney Kingsford Smith

Thu 9/4

12:45-21:55

3 stops42h 10m

$2,687

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Tue 25/11

10:20-06:15

2 stops32h 55m

Melbourne

Fri 28/11

11:05-09:50

2 stops33h 45m

$2,781

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 10/1

10:20-13:35

2 stops40h 15m

Sydney Kingsford Smith

Mon 20/4

11:00-09:15

2 stops55h 15m

$2,839

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 30/3

17:15-06:10

2 stops26h 55m

Sydney Kingsford Smith

Thu 9/4

11:00-17:05

2 stops63h 05m

$2,867

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Thu 5/3

17:25-23:35

3 stops43h 10m

Melbourne

Mon 9/3

11:05-09:50

2 stops33h 45m

$2,901

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 4/12

10:20-12:15

2 stops62h 55m

Sydney Kingsford Smith

Wed 10/12

22:10-09:50

2 stops46h 40m

$2,930

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Tue 25/11

17:25-20:10

3 stops39h 45m

Melbourne

Fri 28/11

11:05-16:55

2 stops40h 50m

$3,078

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 20 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, June is the cheapest month in which you can book a flight from Cardiff to Australia (average of $1,600). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,502). 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 22h 30m. KLM provides one of the quickest options available for as low as $2,487. The distance from Cardiff to Australia is about 14698 km.

  • 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, June is the cheapest month in which you can book a flight from Cardiff to Australia (average of $1,600). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,502). 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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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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