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Cheap flights from Cardiff to Australia from $1,032

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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
27 May — 3 Jun1
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 27 April 2026.

Thu 11/617:15
CWL
-
SYD
2 stops26h 55m
Multiple Airlines
Thu 18/609:15
SYD
-
CWL
2 stops33h 00m
Multiple Airlines
Deal found 27/4$2,445
Tue 9/617:15
CWL
-
MEL
2 stops27h 20m
Multiple Airlines
Tue 16/613:25
MEL
-
CWL
2 stops52h 50m
Multiple Airlines
Deal found 25/4$2,526
Mon 15/617:15
CWL
-
SYD
2 stops52h 10m
KLM
Sun 21/609:15
SYD
-
CWL
2 stops33h 00m
KLM
Deal found 24/4$2,534
Wed 10/617:15
CWL
-
SYD
2 stops52h 10m
KLM
Wed 17/622:10
SYD
-
CWL
2 stops44h 05m
KLM
Deal found 26/4$2,551
Sat 6/617:35
CWL
-
MEL
2 stops58h 05m
Air France
Sat 13/621:30
MEL
-
CWL
2 stops52h 15m
Air France
Deal found 22/4$2,587
Sun 7/609:50
CWL
-
MEL
2 stops38h 10m
Air France
Sun 14/610:15
MEL
-
CWL
2 stops39h 30m
Air France
Deal found 23/4$2,629
Sun 7/609:50
CWL
-
SYD
2 stops35h 35m
KLM
Sun 14/609:50
SYD
-
CWL
2 stops56h 30m
KLM
Deal found 23/4$2,631
Thu 11/609:45
CWL
-
MEL
2 stops36h 35m
Air France
Thu 18/612:05
MEL
-
CWL
2 stops37h 40m
Air France
Deal found 27/4$2,731
Thu 11/609:45
CWL
-
PER
2 stops31h 10m
Multiple Airlines
Thu 18/615:50
PER
-
CWL
2 stops31h 55m
Multiple Airlines
Deal found 27/4$2,750
Mon 18/517:15
CWL
-
BNE
2 stops27h 45m
Air France
Sun 14/611:05
BNE
-
CWL
2 stops62h 40m
Air France
Deal found 23/4$2,765
Wed 10/617:15
CWL
-
SYD
2 stops26h 55m
Multiple Airlines
Wed 17/622:10
SYD
-
CWL
2 stops44h 05m
Multiple Airlines
Deal found 25/4$2,777
Thu 11/617:15
CWL
-
SYD
3 stops28h 55m
KLM
Thu 18/609:15
SYD
-
CWL
2 stops40h 30m
KLM
Deal found 27/4$2,783

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 27 April 2026.

Round-trip from

$2,433

One-way from

$1,032

Popular in

December

Cheapest in

May

Average price

$2,296
KLM
  • KLM
  • 4/6-11/6
  • 4 total stops
  • 92h 05m total
  • Cardiff to Australia
Search Deals
26/5
  • 26/5
  • 3 total stops
  • 40h 40m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($275 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($90 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 27 April 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

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 15/6

17:15-06:25

2 stops52h 10m

Sydney Kingsford Smith

Sun 21/6

09:15-09:15

2 stops33h 00m

$2,534

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 10/6

17:15-06:25

2 stops52h 10m

Sydney Kingsford Smith

Wed 17/6

22:10-09:15

2 stops44h 05m

$2,551

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Sat 6/6

09:45-09:00

2 stops38h 15m

Brisbane

Sat 13/6

11:05-16:45

2 stops62h 40m

$2,624

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 7/6

09:50-06:25

2 stops35h 35m

Sydney Kingsford Smith

Sun 14/6

09:50-09:20

2 stops56h 30m

$2,631

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Thu 11/6

09:45-23:55

2 stops31h 10m

Perth

Thu 18/6

15:50-16:45

2 stops31h 55m

$2,750

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 10/6

17:15-05:10

2 stops26h 55m

Sydney Kingsford Smith

Wed 17/6

22:10-09:15

2 stops44h 05m

$2,777

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 18/5

17:15-10:00

2 stops31h 45m

Sydney Kingsford Smith

Sat 23/5

09:50-09:15

2 stops56h 25m

$2,798

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Thu 11/6

09:45-06:45

2 stops36h 00m

Brisbane

Thu 18/6

11:15-17:05

2 stops62h 50m

$2,881

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Mon 8/6

09:45-07:00

2 stops36h 15m

Brisbane

Mon 15/6

11:05-16:45

2 stops62h 40m

$3,029

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Tue 9/6

17:15-05:30

3 stops27h 15m

Melbourne

Tue 16/6

13:25-09:15

2 stops52h 50m

$3,053

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 34 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 $1,393). Flying from Cardiff to Australia in December is currently the most expensive (average of $2,526). 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 38h 15m. KLM provides one of the quickest options available for as low as $2,624. The distance from Cardiff to Australia is about 16686 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 - Brisbane, 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 $1,393). Flying from Cardiff to Australia in December is currently the most expensive (average of $2,526). 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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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.

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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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