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Cheap flights from Cardiff to Australia from $2,303

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
11 May — 18 May1
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 11 April 2026.

Mon 25/522:10
CWL
-
SYD
2 stops34h 20m
Multiple Airlines
Mon 1/620:45
SYD
-
CWL
2 stops35h 05m
Multiple Airlines
Deal found 10/4$2,303
Mon 19/1009:45
CWL
-
MEL
2 stops38h 15m
Multiple Airlines
Mon 26/1022:30
MEL
-
CWL
2 stops46h 20m
Multiple Airlines
Deal found 6/4$2,317
Tue 1/917:15
CWL
-
SYD
2 stops56h 30m
KLM
Tue 15/909:15
SYD
-
CWL
2 stops40h 30m
KLM
Deal found 9/4$2,571
Fri 22/522:45
CWL
-
MEL
2 stops32h 05m
Multiple Airlines
Fri 29/517:20
MEL
-
CWL
2 stops32h 45m
Multiple Airlines
Deal found 7/4$2,637
Sun 24/521:45
CWL
-
SYD
2 stops34h 45m
Multiple Airlines
Sun 31/520:10
SYD
-
CWL
2 stops34h 35m
Multiple Airlines
Deal found 9/4$2,675
Fri 22/522:45
CWL
-
SYD
2 stops33h 45m
Multiple Airlines
Fri 29/515:40
SYD
-
CWL
2 stops34h 25m
Multiple Airlines
Deal found 7/4$2,689
Sun 24/509:50
CWL
-
BNE
2 stops35h 10m
Air France
Sun 31/511:05
BNE
-
CWL
2 stops62h 40m
Air France
Deal found 9/4$2,750
Mon 11/522:10
CWL
-
PER
2 stops31h 05m
Multiple Airlines
Mon 18/522:55
PER
-
CWL
2 stops30h 55m
Multiple Airlines
Deal found 8/4$2,783
Mon 8/617:15
CWL
-
SYD
2 stops41h 10m
Multiple Airlines
Mon 29/622:10
SYD
-
CWL
2 stops44h 05m
Multiple Airlines
Deal found 6/4$2,800
Tue 1/1217:25
CWL
-
SYD
2 stops27h 30m
KLM
Tue 15/1216:15
SYD
-
CWL
2 stops28h 35m
KLM
Deal found 8/4$2,831
Wed 20/517:15
CWL
-
SYD
2 stops27h 55m
Multiple Airlines
Wed 27/506:00
SYD
-
CWL
2 stops26h 05m
Multiple Airlines
Deal found 6/4$2,834
Mon 25/517:15
CWL
-
PER
3 stops27h 30m
Multiple Airlines
Mon 1/611:40
PER
-
CWL
3 stops36h 05m
Multiple Airlines
Deal found 10/4$2,899

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 11 April 2026.

Round-trip from

$2,303

Popular in

December

Cheapest in

May

Average price

$2,322
25/5-1/6
  • 25/5-1/6
  • 4 total stops
  • 69h 25m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($277 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($92 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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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 11 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 25/5

22:10-17:30

2 stops34h 20m

Sydney Kingsford Smith

Mon 1/6

20:45-22:50

2 stops35h 05m

$2,303

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 22/5

22:45-17:30

2 stops33h 45m

Sydney Kingsford Smith

Fri 29/5

15:40-17:05

2 stops34h 25m

$2,689

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Sun 24/5

09:50-06:00

2 stops35h 10m

Brisbane

Sun 31/5

11:05-16:45

2 stops62h 40m

$2,750

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 8/6

17:15-19:25

2 stops41h 10m

Sydney Kingsford Smith

Mon 29/6

22:10-09:15

2 stops44h 05m

$2,800

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Mon 25/5

17:15-03:45

3 stops27h 30m

Perth

Mon 1/6

11:40-16:45

3 stops36h 05m

$2,899

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Thu 7/5

17:15-07:20

2 stops29h 05m

Melbourne

Thu 14/5

13:25-09:15

2 stops52h 50m

$3,003

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 20/5

17:15-06:30

3 stops28h 15m

Sydney Kingsford Smith

Wed 27/5

06:15-16:45

3 stops43h 30m

$3,015

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 23/5

17:35-06:10

2 stops27h 35m

Sydney Kingsford Smith

Sat 30/5

20:10-21:20

2 stops34h 10m

$3,255

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 24/5

17:15-05:10

3 stops26h 55m

Sydney Kingsford Smith

Sun 31/5

11:40-16:45

3 stops38h 05m

$3,268

CardiffBrisbane

CWL - BNE

CWLBNE

Cardiff Wales

Mon 29/6

09:45-09:00

2 stops38h 15m

Brisbane

Fri 17/7

11:05-16:45

2 stops62h 40m

$3,386

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 31 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 $1,408). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,204). 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 32h 25m. Air France provides one of the quickest options available for as low as $3,730. The distance from Cardiff to Australia is about 14698 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 - Perth 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 $1,408). Flying from Cardiff to Australia in January is currently the most expensive (average of $2,204). 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.

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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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