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Cheap flights from Cardiff to Australia from $957

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 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
4 Mar — 11 Mar1
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 February 2026.

Thu 12/310:20
CWL
-
SYD
2 stops34h 15m
KLM
Thu 19/314:30
SYD
-
CWL
2 stops37h 15m
KLM
Deal found 2/2$2,136
Wed 18/310:20
CWL
-
PER
3 stops31h 05m
Multiple Airlines
Wed 25/314:35
PER
-
CWL
3 stops32h 35m
Multiple Airlines
Deal found 1/2$2,216
Thu 19/310:30
CWL
-
SYD
2 stops33h 30m
Multiple Airlines
Thu 26/320:05
SYD
-
CWL
3 stops36h 55m
Multiple Airlines
Deal found 2/2$2,249
Wed 18/315:55
CWL
-
SYD
2 stops28h 05m
Multiple Airlines
Wed 25/313:35
SYD
-
CWL
3 stops36h 35m
Multiple Airlines
Deal found 1/2$2,264
Thu 12/317:25
CWL
-
SYD
3 stops28h 50m
Multiple Airlines
Thu 19/313:35
SYD
-
CWL
2 stops31h 15m
Multiple Airlines
Deal found 2/2$2,288
Mon 9/1117:15
CWL
-
PER
2 stops38h 00m
KLM
Mon 30/1116:15
PER
-
CWL
2 stops25h 35m
KLM
Deal found 1/2$2,315
Fri 20/317:15
CWL
-
PER
3 stops26h 50m
Multiple Airlines
Fri 27/314:25
PER
-
CWL
3 stops27h 25m
Multiple Airlines
Deal found 2/2$2,535
Wed 18/310:20
CWL
-
SYD
2 stops34h 15m
KLM
Wed 25/310:25
SYD
-
CWL
2 stops34h 25m
KLM
Deal found 1/2$2,562
Wed 4/315:55
CWL
-
MEL
2 stops27h 30m
Multiple Airlines
Sat 21/313:10
MEL
-
CWL
3 stops42h 45m
Multiple Airlines
Deal found 1/2$2,621
Wed 18/310:20
CWL
-
BNE
2 stops33h 35m
Multiple Airlines
Wed 25/308:30
BNE
-
CWL
2 stops35h 20m
Multiple Airlines
Deal found 1/2$2,693
Fri 20/210:20
CWL
-
MEL
2 stops32h 55m
Multiple Airlines
Fri 20/316:55
MEL
-
CWL
2 stops27h 55m
Multiple Airlines
Deal found 1/2$2,792
Fri 20/317:15
CWL
-
PER
2 stops24h 10m
KLM
Fri 27/314:45
PER
-
CWL
3 stops49h 30m
KLM
Deal found 2/2$2,809

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 February 2026.

Round-trip from

$2,136

One-way from

$957

Popular in

December

Cheapest in

April

Average price

$2,746
KLM
  • KLM
  • 12/3-19/3
  • 4 total stops
  • 71h 30m total
  • Cardiff to Australia
Search Deals
21/3
  • 21/3
  • 3 total stops
  • 50h 55m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($526 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($98 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 February 2026.
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

Thu 12/3

10:20-07:35

2 stops34h 15m

Sydney Kingsford Smith

Thu 19/3

14:30-16:45

2 stops37h 15m

$2,136

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Wed 18/3

10:20-01:25

3 stops31h 05m

Perth

Wed 25/3

14:35-15:10

3 stops32h 35m

$2,216

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 19/3

10:30-07:00

2 stops33h 30m

Sydney Kingsford Smith

Thu 26/3

20:05-22:00

3 stops36h 55m

$2,249

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 18/3

15:55-07:00

2 stops28h 05m

Sydney Kingsford Smith

Wed 25/3

13:35-15:10

3 stops36h 35m

$2,264

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 12/3

17:25-09:15

3 stops28h 50m

Sydney Kingsford Smith

Thu 19/3

13:35-09:50

2 stops31h 15m

$2,288

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Tue 17/3

17:25-08:30

3 stops28h 05m

Melbourne

Tue 24/3

13:10-09:50

3 stops31h 40m

$2,529

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Fri 20/3

17:15-04:05

3 stops26h 50m

Perth

Fri 27/3

14:25-09:50

3 stops27h 25m

$2,535

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 18/3

10:20-07:35

2 stops34h 15m

Sydney Kingsford Smith

Wed 25/3

10:25-09:50

2 stops34h 25m

$2,562

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Wed 4/3

15:55-10:15

3 stops31h 20m

Melbourne

Sat 21/3

13:10-20:55

3 stops42h 45m

$2,647

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Wed 18/3

10:20-05:55

2 stops33h 35m

Brisbane

Wed 25/3

08:30-09:50

2 stops35h 20m

$2,693

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 34 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 $1,430). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,373). 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 34h 15m. KLM provides one of the quickest options available for as low as $2,136. 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 - Brisbane 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 $1,430). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,373). 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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