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Cheap flights from Cardiff to Australia from $909

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
12 Apr — 19 Apr1
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 13 March 2026.

Sun 7/609:50
CWL
-
MEL
2 stops38h 10m
Multiple Airlines
Thu 11/621:30
MEL
-
CWL
2 stops52h 35m
Multiple Airlines
Deal found 11/3$2,056
Sun 26/409:35
CWL
-
BNE
2 stops46h 55m
Multiple Airlines
Sun 3/522:10
BNE
-
CWL
2 stops30h 50m
Multiple Airlines
Deal found 12/3$2,117
Sun 26/409:35
CWL
-
SYD
2 stops46h 35m
Multiple Airlines
Sun 3/520:45
SYD
-
CWL
2 stops32h 15m
Multiple Airlines
Deal found 12/3$2,207
Mon 8/617:15
CWL
-
BNE
2 stops27h 45m
Air France
Mon 6/711:05
BNE
-
CWL
2 stops38h 40m
Air France
Deal found 12/3$2,255
Mon 25/517:15
CWL
-
PER
2 stops24h 55m
Multiple Airlines
Tue 9/612:15
PER
-
CWL
2 stops35h 30m
Multiple Airlines
Deal found 9/3$2,386
Wed 27/509:45
CWL
-
PER
3 stops32h 30m
KLM
Tue 9/612:15
PER
-
CWL
2 stops35h 30m
KLM
Deal found 9/3$2,394
Tue 26/517:15
CWL
-
PER
2 stops24h 25m
Air France
Tue 9/612:15
PER
-
CWL
2 stops35h 30m
Air France
Deal found 9/3$2,464
Thu 11/617:15
CWL
-
SYD
2 stops26h 55m
KLM
Thu 18/613:05
SYD
-
CWL
2 stops36h 40m
KLM
Deal found 12/3$2,465
Mon 25/517:15
CWL
-
PER
3 stops25h 00m
KLM
Tue 9/612:15
PER
-
CWL
2 stops35h 30m
KLM
Deal found 9/3$2,534
Mon 25/517:15
CWL
-
PER
2 stops24h 55m
KLM
Mon 8/612:15
PER
-
CWL
2 stops35h 30m
KLM
Deal found 9/3$2,535
Thu 23/417:15
CWL
-
MEL
2 stops37h 35m
Multiple Airlines
Thu 30/417:20
MEL
-
CWL
2 stops32h 25m
Multiple Airlines
Deal found 9/3$2,539
Thu 7/517:15
CWL
-
PER
2 stops24h 25m
KLM
Thu 28/515:50
PER
-
CWL
2 stops24h 25m
KLM
Deal found 9/3$2,549

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 13 March 2026.

Round-trip from

$2,056

One-way from

$909

Popular in

December

Cheapest in

April

Average price

$2,292
7/6-11/6
  • 7/6-11/6
  • 4 total stops
  • 90h 45m total
  • Cardiff to Australia
Search Deals
17/4
  • 17/4
  • 3 total stops
  • 54h 25m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($329 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($96 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 13 March 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

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Sun 7/6

09:50-09:00

2 stops38h 10m

Melbourne

Thu 11/6

21:30-17:05

2 stops52h 35m

$2,056

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Sun 26/4

09:35-17:30

2 stops46h 55m

Brisbane

Sun 3/5

22:10-20:00

2 stops30h 50m

$2,117

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 11/6

17:15-05:10

2 stops26h 55m

Sydney Kingsford Smith

Thu 18/6

13:05-16:45

2 stops36h 40m

$2,465

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Mon 25/5

17:15-01:15

3 stops25h 00m

Perth

Tue 9/6

12:15-16:45

2 stops35h 30m

$2,534

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Thu 23/4

17:15-15:50

2 stops37h 35m

Melbourne

Thu 30/4

17:20-16:45

2 stops32h 25m

$2,539

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 24/4

17:15-06:10

2 stops27h 55m

Sydney Kingsford Smith

Fri 1/5

15:40-17:05

2 stops34h 25m

$2,581

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Mon 25/5

17:15-01:10

2 stops24h 55m

Perth

Thu 11/6

06:50-16:45

3 stops40h 55m

$2,662

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Mon 25/5

09:45-01:10

2 stops32h 25m

Perth

Wed 10/6

20:30-16:45

3 stops51h 15m

$2,662

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 21/4

23:15-17:10

2 stops32h 55m

Sydney Kingsford Smith

Tue 28/4

14:10-09:15

2 stops28h 05m

$2,696

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Mon 8/6

17:15-05:45

3 stops27h 30m

Brisbane

Mon 6/7

11:05-16:45

2 stops62h 40m

$2,741

Flights are sorted by cheapest return flights first.

Deals found on 9/3

Showing 1-10 of 29 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

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 $1,416). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,266). 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 26h 55m. KLM provides one of the quickest options available for as low as $2,465. The distance from Cardiff to Australia is about 17183 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 - Sydney Kingsford Smith or Cardiff Wales - Perth, Cardiff Wales - Melbourne 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 $1,416). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,266). 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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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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