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Cheap flights from Cardiff to Australia from £708

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 14 November 2025.

Wed 3/1215:55CWL - PER
3 stops28h 20mMultiple Airlines
Sat 25/401:20PER - CWL
3 stops27h 00mMultiple Airlines
Deal found 12/11£1,015
Tue 18/1110:20CWL - PER
3 stops35h 30mMultiple Airlines
Tue 25/1107:35PER - CWL
3 stops41h 20mMultiple Airlines
Deal found 13/11£1,172
Sun 16/1110:20CWL - SYD
2 stops34h 35mKLM
Sun 23/1110:20SYD - CWL
2 stops58h 30mKLM
Deal found 11/11£1,220
Tue 18/1110:20CWL - PER
2 stops31h 05mKLM
Tue 25/1110:30PER - CWL
2 stops31h 20mKLM
Deal found 13/11£1,223
Sun 16/1108:40CWL - SYD
1 stop34h 55mMultiple Airlines
Sun 23/1115:55SYD - CWL
1 stop35h 35mMultiple Airlines
Deal found 11/11£1,228
Mon 1/1210:20CWL - PER
2 stops29h 35mKLM
Sun 7/1210:30PER - CWL
2 stops31h 20mKLM
Deal found 13/11£1,237
Mon 1/1223:30CWL - MEL
2 stops30h 30mMultiple Airlines
Wed 10/1218:20MEL - CWL
3 stops33h 35mMultiple Airlines
Deal found 11/11£1,295
Mon 1/1223:30CWL - PER
3 stops31h 55mMultiple Airlines
Sun 7/1210:30PER - CWL
3 stops44h 35mMultiple Airlines
Deal found 13/11£1,305
Wed 3/1217:25CWL - PER
3 stops38h 10mKLM
Sat 25/402:10PER - CWL
2 stops38h 05mKLM
Deal found 12/11£1,385
Mon 1/1217:15CWL - MEL
3 stops31h 35mKLM
Wed 10/1207:00MEL - CWL
3 stops37h 50mKLM
Deal found 11/11£1,470
Tue 18/1110:20CWL - BNE
3 stops49h 05mKLM
Thu 4/1216:10BNE - CWL
3 stops27h 40mKLM
Deal found 12/11£1,527
Tue 18/1117:25CWL - BNE
2 stops55h 20mMultiple Airlines
Thu 4/1216:10BNE - CWL
3 stops27h 40mMultiple Airlines
Deal found 12/11£1,571

Cheap flight deals from Cardiff to Australia

Keep the following information in mind while searching for Cardiff to Australia flight deals. Data was last updated 14 November 2025.

Round-trip from

£1,015

One-way from

£708

Popular in

July

Cheapest in

April

Average price

£1,331
3/12-25/4
  • 3/12-25/4
  • 6 total stops
  • 55h 20m total
  • Cardiff to Australia
Search Deals
15/1
  • 15/1
  • 3 total stops
  • 32h 10m total
  • Cardiff to Australia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£36 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 14 November 2025.
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

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Mon 23/3

23:30-15:15

3 stops31h 45m

Perth

Mon 27/4

17:20-22:50

3 stops36h 30m

£1,141

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 9/4

09:00-14:50

3 stops44h 50m

Sydney Kingsford Smith

Thu 7/5

10:05-21:55

3 stops44h 50m

£1,184

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Mon 9/2

23:30-15:15

3 stops31h 45m

Perth

Sun 15/2

08:30-09:50

2 stops33h 20m

£1,193

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Mon 1/12

10:20-23:55

2 stops29h 35m

Perth

Sun 7/12

10:30-09:50

2 stops31h 20m

£1,237

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 9/4

17:15-06:40

2 stops28h 25m

Sydney Kingsford Smith

Thu 7/5

14:50-16:45

2 stops34h 55m

£1,239

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Thu 12/3

10:20-23:55

2 stops29h 35m

Perth

Mon 16/3

10:30-09:50

2 stops31h 20m

£1,271

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Mon 1/12

23:30-17:00

2 stops30h 30m

Melbourne

Wed 10/12

18:20-16:55

3 stops33h 35m

£1,295

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Mon 9/2

10:20-01:25

2 stops31h 05m

Perth

Sat 14/2

02:25-16:45

2 stops46h 20m

£1,328

CardiffPerth

CWL - PER

CWLPER

Cardiff Wales

Wed 3/12

17:25-15:35

3 stops38h 10m

Perth

Sat 25/4

02:10-09:15

2 stops38h 05m

£1,385

CardiffMelbourne

CWL - MEL

CWLMEL

Cardiff Wales

Thu 12/3

17:25-06:15

2 stops25h 50m

Melbourne

Mon 16/3

11:05-16:55

2 stops40h 50m

£1,441

Flights are sorted by cheapest return flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

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, June is the cheapest month in which you can book a flight from Cardiff to Australia (average of £790). Flying from Cardiff to Australia in January is currently the most expensive (average of £1,299). 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.

What is the cheapest time of day to fly from CWL to AU?

Find hourly flight availability from Cardiff to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 November 2025.

A simple way to save on the total cost of your ticket is to fly from Cardiff to Australia in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight at midday.

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 14 November 2025.
See what other customers who have flown with KLM, Etihad Airways, andAir France 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
7.7
Good
1,410 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,410 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Etihad Airways
7.4
Good
1,292 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air France
7.4
Good
1,487 reviews
KLM
7.7
Good
1,410 reviews
Check prices

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 £1,239, KLM can have you in Australia from Cardiff in 28h 25m. 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 - Perth. You may also consider Cardiff Wales - Brisbane 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, June is the cheapest month in which you can book a flight from Cardiff to Australia (average of £790). Flying from Cardiff to Australia in January is currently the most expensive (average of £1,299). 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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Alternative routes for Cardiff to Australia

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Top 3 airlines flying from Cardiff to Australia

Discover the top 3 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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£931Average£1,196FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£1,018Average£1,325FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£1,193Average£1,667FlexibilityNo 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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