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Cheap flights from Cardiff to Sydney from £1,082

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
2 May — 9 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Cardiff to Sydney
Explore the most affordable flight options available from Cardiff to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 April 2026.

Tue 12/523:15
CWL
-
SYD
2 stops32h 35m
Multiple Airlines
Tue 19/520:50
SYD
-
CWL
2 stops35h 15m
Multiple Airlines
Deal found 28/3£1,082
Wed 13/523:30
CWL
-
SYD
2 stops32h 20m
Multiple Airlines
Wed 20/515:40
SYD
-
CWL
2 stops34h 05m
Multiple Airlines
Deal found 29/3£1,148
Sun 30/817:15
CWL
-
SYD
2 stops28h 10m
KLM
Sun 27/911:40
SYD
-
CWL
3 stops38h 05m
KLM
Deal found 30/3£1,507
Sun 30/821:45
CWL
-
SYD
2 stops34h 05m
Multiple Airlines
Sun 27/921:10
SYD
-
CWL
2 stops28h 35m
Multiple Airlines
Deal found 30/3£1,522
Tue 12/509:45
CWL
-
SYD
3 stops34h 25m
Air France
Tue 19/520:30
SYD
-
CWL
3 stops53h 15m
Air France
Deal found 28/3£2,084
Mon 8/617:15
CWL
-
SYD
2 stops38h 30m
Singapore Airlines
Fri 12/607:25
SYD
-
CWL
2 stops42h 40m
Singapore Airlines
Deal found 29/3£2,111
Fri 18/1210:20
CWL
-
SYD
2 stops40h 15m
Multiple Airlines
Fri 8/110:20
SYD
-
CWL
2 stops34h 25m
Multiple Airlines
Deal found 31/3£2,147
Mon 20/717:15
CWL
-
SYD
2 stops27h 50m
Multiple Airlines
Fri 14/806:00
SYD
-
CWL
2 stops44h 05m
Multiple Airlines
Deal found 1/4£2,174
Tue 31/309:45
CWL
-
SYD
2 stops38h 15m
Air France
Thu 16/411:00
SYD
-
CWL
2 stops63h 05m
Air France
Deal found 30/3£2,184

Find flight deals from Cardiff to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 April 2026.

Round-trip from

£1,082

Popular in

December

Cheapest in

April

Average price

£1,135
12/5-19/5
  • 12/5-19/5
  • 4 total stops
  • 67h 50m total
  • Cardiff to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£92 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 April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Sydney 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 2 April 2026.
Use the filters below to find and compare flights from Cardiff to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 12/5

23:15-16:50

2 stops32h 35m

Sydney Kingsford Smith

Tue 19/5

20:50-23:05

2 stops35h 15m

£1,082

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 13/5

23:30-16:50

2 stops32h 20m

Sydney Kingsford Smith

Wed 20/5

15:40-16:45

2 stops34h 05m

£1,148

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 30/8

21:45-16:50

2 stops34h 05m

Sydney Kingsford Smith

Sun 27/9

21:10-16:45

2 stops28h 35m

£1,522
Fastest return journey

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 30/8

17:15-06:30

3 stops28h 15m

Sydney Kingsford Smith

Sun 27/9

11:40-09:15

3 stops30h 35m

£1,935

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 8/6

17:15-16:45

2 stops38h 30m

Sydney Kingsford Smith

Fri 12/6

07:25-17:05

2 stops42h 40m

£2,111

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 1/6

17:15-16:45

2 stops38h 30m

Sydney Kingsford Smith

Fri 31/7

18:00-09:15

2 stops48h 15m

£2,423

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 15/4

17:15-06:45

2 stops28h 30m

Sydney Kingsford Smith

Sat 18/4

20:30-16:45

3 stops53h 15m

£2,527

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 13/5

17:15-07:10

3 stops28h 55m

Sydney Kingsford Smith

Wed 20/5

06:15-16:45

3 stops43h 30m

£2,719

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 20/7

17:15-09:40

3 stops31h 25m

Sydney Kingsford Smith

Fri 14/8

10:10-17:05

3 stops39h 55m

£3,160
Cheapest one-way
Fastest single journey

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 18/4

17:35-16:45

2 stops38h 10m

£2,243

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Sorted by cheapest first

Best time to book a flight from Cardiff to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

What is the cheapest month to book a flight from Cardiff to Sydney?

Currently, March is the cheapest month in which you can book a flight from Cardiff to Sydney (average of £749). Flying from Cardiff to Sydney in January is currently the most expensive (average of £1,226). 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.

How much does it cost for a return flight from Cardiff to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 2 April 2026.
Get a feel of what it's like to fly with KLM and Etihad Airways from Cardiff to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,481 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,481 reviews
KLM
7.8
Good
1,481 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Etihad Airways
7.3
Good
1,432 reviews
KLM
7.8
Good
1,481 reviews
Check prices

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.8

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Cardiff to Sydney?

    There are many flights that can get you from Cardiff to Sydney in 28h 15m. Fly via KLM to get the fastest option. Airlines will cover a distance of 10677 mi.

  • What are the cheapest airlines flying from Cardiff to Sydney round-trip?

    Cheapflights users have booked flights from Cardiff to Sydney round-trip from £749. Another airline that can offer you cheap pricing is KLM. Users have found that Etihad Airways is 44% cheaper than the other options available to this destination.

  • Can I find deals for flights from Cardiff to Sydney that include hotel bookings?

    Yes. In addition to deals on Cardiff to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Sydney.

  • Can I find deals for business class flights from Cardiff to Sydney?

    Yes. Cheapflights offers flight deals from Cardiff to Sydney 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 Sydney?

    Currently, March is the cheapest month in which you can book a flight from Cardiff to Sydney (average of £749). Flying from Cardiff to Sydney in January is currently the most expensive (average of £1,226). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Parramatta
Coogee
Manly

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Alternative routes for Cardiff to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Manchester to Coolangatta flights

Top 2 airlines flying from Cardiff to Sydney

Discover the top 2 airlines that operate flights from Cardiff to Sydney. 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 2 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£749Average£1,269FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
KLMCheapest£1,175Average£1,540FlexibilityNo 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 Sydney?

When you search for this flight from Cardiff to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Cardiff to Sydney for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Sydney flexibly with Cheapflights today.

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

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

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