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Cheap flights from Cardiff to Australia from £775

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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
9 Jul — 16 Jul1
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 9 June 2026.

Wed 4/1110:20
CWL
-
MEL
2 stops36h 40m
Multiple Airlines
Fri 13/1122:30
MEL
-
CWL
2 stops46h 20m
Multiple Airlines
Deal found 6/6£1,259
Wed 10/609:45
CWL
-
SYD
2 stops35h 40m
KLM
Wed 17/607:55
SYD
-
CWL
2 stops34h 20m
KLM
Deal found 5/6£1,306
Tue 7/709:45
CWL
-
MEL
2 stops38h 15m
Air France
Mon 13/712:05
MEL
-
CWL
2 stops37h 40m
Air France
Deal found 7/6£1,357
Fri 27/1117:30
CWL
-
PER
2 stops22h 25m
KLM
Mon 28/1210:30
PER
-
CWL
2 stops38h 30m
KLM
Deal found 7/6£1,429
Tue 29/909:45
CWL
-
SYD
2 stops35h 40m
KLM
Mon 28/1212:00
SYD
-
CWL
2 stops40h 00m
KLM
Deal found 9/6£1,438
Sat 4/709:50
CWL
-
SYD
2 stops41h 45m
Air France
Sat 11/720:30
SYD
-
CWL
2 stops53h 15m
Air France
Deal found 6/6£1,439
Wed 1/717:15
CWL
-
SYD
2 stops58h 20m
Air France
Fri 17/711:00
SYD
-
CWL
2 stops62h 45m
Air France
Deal found 7/6£1,448
Fri 27/1110:20
CWL
-
PER
3 stops52h 35m
Multiple Airlines
Sun 27/1200:25
PER
-
CWL
3 stops65h 25m
Multiple Airlines
Deal found 4/6£1,463
Fri 12/617:15
CWL
-
SYD
2 stops26h 55m
Multiple Airlines
Fri 19/609:50
SYD
-
CWL
2 stops56h 25m
Multiple Airlines
Deal found 7/6£1,477
Wed 4/1110:20
CWL
-
MEL
3 stops37h 55m
KLM
Fri 13/1108:45
MEL
-
CWL
2 stops36h 05m
KLM
Deal found 6/6£1,485
Sat 31/1010:20
CWL
-
PER
2 stops44h 55m
KLM
Sun 29/1110:30
PER
-
CWL
2 stops38h 30m
KLM
Deal found 4/6£1,505
Thu 11/609:45
CWL
-
SYD
2 stops35h 40m
KLM
Thu 18/607:55
SYD
-
CWL
2 stops34h 20m
KLM
Deal found 6/6£1,508

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 9 June 2026.

Round-trip from

£1,259

One-way from

£775

Popular in

December

Cheapest in

May

Average price

£1,239
4/11-13/11
  • 4/11-13/11
  • 4 total stops
  • 83h 00m total
  • Cardiff to Australia
Search Deals
31/7
  • 31/7
  • 3 total stops
  • 49h 40m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£81 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 858,174 searches. Data last updated 9 June 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

Wed 4/11

10:20-10:00

2 stops36h 40m

Melbourne

Fri 13/11

22:30-09:50

2 stops46h 20m

£1,259

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 29/9

09:45-06:25

2 stops35h 40m

Sydney Kingsford Smith

Mon 28/12

12:00-17:00

2 stops40h 00m

£1,438

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 4/7

09:50-12:35

2 stops41h 45m

Sydney Kingsford Smith

Sat 11/7

20:30-16:45

2 stops53h 15m

£1,439

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Fri 27/11

10:20-22:55

3 stops52h 35m

Perth

Sun 27/12

00:25-09:50

3 stops65h 25m

£1,463

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Wed 4/11

10:20-11:15

3 stops37h 55m

Melbourne

Fri 13/11

08:45-09:50

2 stops36h 05m

£1,485

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 30/11

10:20-07:25

3 stops34h 05m

Sydney Kingsford Smith

Sat 12/12

06:35-17:00

3 stops45h 25m

£1,510

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Fri 27/11

10:20-23:55

2 stops29h 35m

Perth

Mon 28/12

10:30-17:00

2 stops38h 30m

£1,561

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 30/11

17:30-06:50

2 stops26h 20m

Sydney Kingsford Smith

Sat 12/12

21:40-17:00

2 stops30h 20m

£1,644

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Sat 31/10

10:20-15:15

2 stops44h 55m

Perth

Sun 29/11

06:50-17:00

3 stops42h 10m

£1,674

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Fri 3/7

17:15-05:35

2 stops27h 20m

Melbourne

Sun 5/7

12:05-16:45

2 stops37h 40m

£1,694

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 25 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

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 £747). Flying from Cardiff to Australia in December is currently the most expensive (average of £1,354). 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.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated 9 June 2026.
See what other customers who have flown with KLM and Etihad Airways from Cardiff to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,527 reviews
Check prices

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,527 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Etihad Airways
7.3
Good
1,452 reviews
KLM
7.8
Good
1,527 reviews
Check prices

Overall

7.8

Crew

8.4

Food

7.3

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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?

    If you book a flight to Australia from Cardiff, you will be flying from Cardiff Wales, which is the city’s only airport. Cardiff Wales (CWL) is located 9.1 mi from the center of Cardiff.

  • How long is the flight from Cardiff to Australia?

    For as low as £1,438, KLM can have you in Australia from Cardiff in 35h 40m. Cardiff and Australia are separated by a distance of 10677 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Cardiff to Australia?

    The most popular route from Cardiff to Australia is Cardiff Wales - Melbourne. You may also consider Cardiff Wales - Perth or Cardiff Wales - Sydney Kingsford Smith.

  • 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 £747). Flying from Cardiff to Australia in December is currently the most expensive (average of £1,354). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Cardiff to Australia

Discover the top 2 airlines that operate flights from Cardiff to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£747Average£1,268FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
KLMCheapest£1,191Average£1,506FlexibilityNo cancel feeOn-time75%
Search KLM flights

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?

Deals for Cardiff to Australia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Australia?

Cheapflights helps you find that perfect flight to Australia from Cardiff by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Cardiff to Australia with no change fees?

Need flexible booking options for your flight to Australia from Cardiff? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Cardiff to Australia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Australia from Cardiff today and book when prices fit your budget.

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