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Cheap flights from Cardiff to Australia from $698

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
1 Sep — 8 Sep1
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 2 August 2026.

Sun 13/909:50
CWL
-
PER
2 stops37h 00m
Multiple Airlines
Sun 20/914:50
PER
-
CWL
2 stops49h 25m
Multiple Airlines
Deal found 1/8$2,171
Tue 1/909:45
CWL
-
SYD
2 stops64h 00m
KLM
Tue 15/909:50
SYD
-
CWL
2 stops56h 25m
KLM
Deal found 1/8$2,331
Sat 12/917:35
CWL
-
SYD
2 stops51h 50m
KLM
Sat 19/909:50
SYD
-
CWL
2 stops56h 25m
KLM
Deal found 29/7$2,412
Thu 31/1210:20
CWL
-
SYD
3 stops36h 25m
KLM
Thu 21/110:25
SYD
-
CWL
2 stops34h 25m
KLM
Deal found 1/8$2,429
Sat 12/917:35
CWL
-
BNE
2 stops27h 25m
Air France
Sat 19/911:05
BNE
-
CWL
2 stops62h 40m
Air France
Deal found 30/7$2,667
Fri 11/917:15
CWL
-
MEL
2 stops54h 45m
Air France
Fri 18/911:00
MEL
-
CWL
2 stops62h 45m
Air France
Deal found 30/7$2,688
Mon 3/817:15
CWL
-
SYD
2 stops28h 10m
KLM
Sun 9/813:05
SYD
-
CWL
2 stops29h 10m
KLM
Deal found 2/8$2,748
Mon 28/917:15
CWL
-
SYD
3 stops31h 25m
KLM
Sun 4/1012:40
SYD
-
CWL
3 stops30h 35m
KLM
Deal found 29/7$2,826
Thu 31/1217:30
CWL
-
SYD
3 stops26h 55m
Multiple Airlines
Thu 21/112:45
SYD
-
CWL
3 stops32h 05m
Multiple Airlines
Deal found 1/8$2,870
Tue 1/917:15
CWL
-
MEL
2 stops29h 05m
Multiple Airlines
Sun 10/115:30
MEL
-
CWL
3 stops53h 20m
Multiple Airlines
Deal found 31/7$2,881
Sun 2/809:35
CWL
-
PER
2 stops26h 00m
Multiple Airlines
Sun 9/822:45
PER
-
CWL
2 stops30h 00m
Multiple Airlines
Deal found 28/7$2,904
Wed 7/1017:15
CWL
-
PER
3 stops52h 05m
Multiple Airlines
Wed 28/1021:10
PER
-
CWL
3 stops44h 40m
Multiple Airlines
Deal found 29/7$2,914

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 2 August 2026.

Round-trip from

$2,171

One-way from

$698

Popular in

January

Cheapest in

May

Average price

$2,749
13/9-20/9
  • 13/9-20/9
  • 4 total stops
  • 86h 25m total
  • Cardiff to Australia
Search Deals
1/9
  • 1/9
  • 2 total stops
  • 52h 20m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($718 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($155 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 2 August 2026.
Use the filters below to find and compare flights from Cardiff to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Sun 13/9

09:50-05:50

2 stops37h 00m

Perth

Sun 20/9

14:50-09:15

2 stops49h 25m

$2,171

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 12/9

17:35-06:25

2 stops51h 50m

Sydney Kingsford Smith

Sat 19/9

09:50-09:15

2 stops56h 25m

$2,412

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 31/12

10:20-09:45

3 stops36h 25m

Sydney Kingsford Smith

Thu 21/1

10:25-09:50

2 stops34h 25m

$2,429

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 1/9

17:15-06:45

2 stops28h 30m

Sydney Kingsford Smith

Tue 15/9

10:10-16:45

3 stops39h 35m

$2,702

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Mon 4/1

10:20-10:00

2 stops36h 40m

Melbourne

Sun 17/1

01:50-09:50

2 stops43h 00m

$2,709

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 28/9

17:15-09:40

3 stops31h 25m

Sydney Kingsford Smith

Sun 4/10

12:40-09:15

3 stops30h 35m

$2,826

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Tue 1/9

17:15-07:20

2 stops29h 05m

Melbourne

Sun 10/1

15:30-09:50

3 stops53h 20m

$2,881

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Wed 7/10

17:15-04:20

3 stops52h 05m

Perth

Wed 28/10

21:10-09:50

3 stops44h 40m

$2,914
Fastest return journey

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Fri 11/9

17:15-01:10

2 stops24h 55m

Perth

Fri 18/9

12:15-17:05

2 stops35h 50m

$2,935

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 13/1

10:20-10:20

2 stops37h 00m

Sydney Kingsford Smith

Fri 15/1

21:55-09:45

2 stops46h 50m

$2,961

Flights are sorted by cheapest return flights first.

Deals found on 31/7

Showing 1-10 of 24 resultsSorted by cheapest first
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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

No data available for this route at this time. Please check back soon.

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 51h 50m. KLM provides one of the quickest options available for as low as $2,412. The distance from Cardiff to Australia is about 17183 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.

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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