Find flights
When to book
FAQs

Cheap flights from Cardiff to Australia from $2,498

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
9 Aug — 16 Aug1
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 10 July 2026.

Wed 12/823:15
CWL
-
SYD
3 stops34h 55m
Multiple Airlines
Wed 19/821:05
SYD
-
CWL
3 stops34h 20m
Multiple Airlines
Deal found 8/7$2,498
Mon 14/1210:20
CWL
-
SYD
2 stops37h 00m
KLM
Mon 11/116:30
SYD
-
CWL
2 stops28h 20m
KLM
Deal found 8/7$2,585
Fri 27/1116:05
CWL
-
PER
3 stops28h 10m
Multiple Airlines
Mon 28/1223:10
PER
-
CWL
3 stops30h 05m
Multiple Airlines
Deal found 5/7$2,588
Thu 1/1017:15
CWL
-
SYD
2 stops52h 10m
KLM
Thu 8/1010:50
SYD
-
CWL
2 stops64h 15m
KLM
Deal found 6/7$2,613
Tue 15/1210:20
CWL
-
SYD
2 stops34h 15m
KLM
Tue 12/116:30
SYD
-
CWL
2 stops35h 30m
KLM
Deal found 6/7$2,701
Tue 15/1210:20
CWL
-
SYD
2 stops36h 40m
Multiple Airlines
Tue 12/111:10
SYD
-
CWL
3 stops40h 50m
Multiple Airlines
Deal found 6/7$2,756
Mon 28/1210:20
CWL
-
PER
2 stops31h 05m
KLM
Tue 19/120:45
PER
-
CWL
3 stops52h 15m
KLM
Deal found 10/7$2,813
Fri 27/1110:20
CWL
-
PER
2 stops29h 35m
KLM
Mon 28/1206:50
PER
-
CWL
3 stops42h 10m
KLM
Deal found 5/7$2,820
Thu 12/1110:20
CWL
-
PER
2 stops44h 55m
KLM
Sun 6/1210:30
PER
-
CWL
2 stops38h 30m
KLM
Deal found 8/7$2,823
Wed 30/1217:30
CWL
-
PER
2 stops22h 25m
KLM
Tue 19/120:45
PER
-
CWL
3 stops45h 05m
KLM
Deal found 10/7$2,829
Sat 8/809:50
CWL
-
SYD
2 stops35h 35m
Multiple Airlines
Sat 15/811:00
SYD
-
CWL
2 stops62h 45m
Multiple Airlines
Deal found 9/7$2,833
Fri 10/717:15
CWL
-
SYD
2 stops54h 45m
Multiple Airlines
Sat 26/909:50
SYD
-
CWL
2 stops56h 25m
Multiple Airlines
Deal found 6/7$2,841

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 10 July 2026.

Round-trip from

$2,498

Popular in

January

Cheapest in

May

Average price

$2,952
12/8-19/8
  • 12/8-19/8
  • 6 total stops
  • 69h 15m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($565 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($162 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 10 July 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

Wed 12/8

23:15-19:10

3 stops34h 55m

Sydney Kingsford Smith

Wed 19/8

21:05-22:25

3 stops34h 20m

$2,498

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 6/1

10:20-07:35

2 stops34h 15m

Sydney Kingsford Smith

Wed 27/1

10:25-09:50

2 stops34h 25m

$2,596

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 1/10

17:15-06:25

2 stops52h 10m

Sydney Kingsford Smith

Thu 8/10

10:50-17:05

2 stops64h 15m

$2,613

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 15/12

10:20-07:35

2 stops34h 15m

Sydney Kingsford Smith

Tue 12/1

16:30-17:00

2 stops35h 30m

$2,701

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 15/12

10:20-10:00

2 stops36h 40m

Sydney Kingsford Smith

Tue 12/1

11:10-17:00

3 stops40h 50m

$2,756

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Fri 27/11

10:20-23:55

2 stops29h 35m

Perth

Mon 28/12

06:50-17:00

3 stops42h 10m

$2,820

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Thu 12/11

10:20-15:15

2 stops44h 55m

Perth

Sat 5/12

10:30-09:50

2 stops31h 20m

$2,823

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Thu 12/11

10:20-15:15

2 stops44h 55m

Perth

Sun 6/12

10:30-17:00

2 stops38h 30m

$2,823

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Wed 30/12

17:30-23:55

2 stops22h 25m

Perth

Tue 19/1

20:45-09:50

3 stops45h 05m

$2,829

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 22/7

09:45-06:25

2 stops35h 40m

Sydney Kingsford Smith

Wed 16/9

22:10-09:15

2 stops44h 05m

$2,910

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 29 resultsSorted by cheapest first
1
2
3

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 34h 15m. KLM provides one of the quickest options available for as low as $2,596. 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 - 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Australia?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.