Which airlines fly to Sydney?

Etihad Airways, KLM and Singapore Airlines are the top three most popular airlines that fly to Sydney from Cardiff according to our data. Etihad Airways is the first choice among our users, with 66% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport?

Prices for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport refresh daily.

How many operators does momondo search for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport?

There are 2 operators available for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport as of November 2025.

How old do you have to be to fly from Cardiff Wales Airport to Sydney Kingsford Smith Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£906 Cheap Flights from Cardiff to Sydney in 2025/26

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Find the cheapest flights from Cardiff to Sydney

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:00 - 14:50CWL-SYD

44h 50m3 stops

10:05 - 21:55SYD-CWL

44h 50m3 stops

£1,184Multiple Airlines

Find Deal

Thu, 9 Apr - Thu, 7 May

09:00 - 14:50CWL-SYD

44h 50m3 stops

10:05 - 09:15SYD-CWL

32h 10m2 stops

£1,193Multiple Airlines

Find Deal

Thu, 9 Apr - Thu, 7 May

17:15 - 06:40CWL-SYD

28h 25m2 stops

14:50 - 16:45SYD-CWL

34h 55m2 stops

£1,239Air France

Find Deal

Thu, 9 Apr - Thu, 7 May

10:20 - 08:35CWL-SYD

35h 15m2 stops

11:30 - 09:50SYD-CWL

33h 20m2 stops

£1,829Multiple Airlines

Find Deal

Sat, 10 Jan - Mon, 19 Jan

20:05 - 18:35CWL-SYD

35h 30m2 stops

13:35 - 16:55SYD-CWL

38h 20m3 stops

£1,889Multiple Airlines

Find Deal

Sat, 10 Jan - Mon, 19 Jan

10:20 - 07:55CWL-SYD

34h 35m2 stops

11:15 - 16:55SYD-CWL

40h 40m2 stops

£1,946Multiple Airlines

Find Deal

Sat, 10 Jan - Mon, 19 Jan

10:20 - 06:35CWL-SYD

33h 15m3 stops

16:35 - 16:55SYD-CWL

35h 20m3 stops

£1,968Multiple Airlines

Find Deal

Sat, 10 Jan - Mon, 19 Jan

10:15 - 10:15CWL-SYD

37h 00m3 stops

10:45 - 23:05SYD-CWL

47h 20m3 stops

£2,179Multiple Airlines

Find Deal

Sun, 28 Dec - Sun, 4 Jan

10:20 - 06:35CWL-SYD

33h 15m3 stops

10:45 - 20:55SYD-CWL

45h 10m3 stops

£2,237Multiple Airlines

Find Deal

Sat, 27 Dec - Sat, 3 Jan

10:15 - 07:55CWL-SYD

34h 40m2 stops

10:20 - 09:50SYD-CWL

58h 30m2 stops

£2,280Multiple Airlines

Find Deal

Sun, 28 Dec - Sun, 4 Jan

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets

KLM

27 Dec

CWL17:25Cardiff Wales

26h 30m

2 stops

SYD06:55Sydney Kingsford Smith

3 Jan

SYD14:30Sydney Kingsford Smith

30h 15m

2 stops

CWL09:45Cardiff Wales

£3,201

Find similar

KLM

26 Feb

CWL17:25Cardiff Wales

27h 00m

2 stops

SYD07:25Sydney Kingsford Smith

11 Mar

SYD15:55Sydney Kingsford Smith

36h 00m

2 stops

CWL16:55Cardiff Wales

£7,944

Find similar

KLM

26 Feb

CWL17:25Cardiff Wales

27h 00m

2 stops

SYD07:25Sydney Kingsford Smith

11 Mar

SYD15:55Sydney Kingsford Smith

36h 00m

2 stops

CWL16:55Cardiff Wales

£7,960

Find similar

Fly from

Fly to

Route

Depart

Return

Price

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

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 9/4

09:00-14:50

3 stops44h 50m

Sydney Kingsford Smith

Thu 7/5

10:05-09:15

2 stops32h 10m

£1,193

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

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 10/1

10:20-08:35

2 stops35h 15m

Sydney Kingsford Smith

Mon 19/1

11:30-09:50

2 stops33h 20m

£1,829

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 10/1

20:05-18:35

2 stops35h 30m

Sydney Kingsford Smith

Mon 19/1

13:35-16:55

3 stops38h 20m

£1,889

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 10/1

10:20-07:55

2 stops34h 35m

Sydney Kingsford Smith

Mon 19/1

11:15-16:55

2 stops40h 40m

£1,946

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 10/1

10:20-06:35

3 stops33h 15m

Sydney Kingsford Smith

Mon 19/1

16:35-16:55

3 stops35h 20m

£1,968

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 28/12

10:15-10:15

3 stops37h 00m

Sydney Kingsford Smith

Sun 4/1

10:45-23:05

3 stops47h 20m

£2,179

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 27/12

10:20-06:35

3 stops33h 15m

Sydney Kingsford Smith

Sat 3/1

10:45-20:55

3 stops45h 10m

£2,237

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 28/12

10:15-07:55

2 stops34h 40m

Sydney Kingsford Smith

Sun 4/1

10:20-09:50

2 stops58h 30m

£2,280

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cardiff to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from Cardiff to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £1,057. If you don’t want to visit Sydney in April, then you should wait until June to fly from Cardiff, when ticket prices are also cheap, with an average price of £1,087.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart on your flight to Sydney is on a Monday when prices can be found for as low as £1,254. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Cardiff because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,639.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the morning. momondo users have found flights departing from Cardiff to Sydney in the morning for as low as £1,270. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Sydney, so prices are often more expensive at around £1,527 per ticket.

When to book flights from Cardiff to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cardiff to Sydney (CWL to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Sydney

Direct flights	None

There are no direct flights from Cardiff to Sydney. There are no popular flight routes from Cardiff to Sydney.

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How far is Cardiff Wales to Sydney Kingsford Smith by plane?
Cardiff Wales and Sydney Kingsford Smith are 10665.5 mi apart from one another. By plane, this route typically takes 26h 30m.
When did momondo last update prices for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport?
Prices for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport?
There are 2 operators available for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport as of November 2025.
How old do you have to be to fly from Cardiff Wales Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Cardiff to Sydney?
momondo data reveals that the most frequently booked airline on the route from Cardiff to Sydney is Etihad Airways, representing 58% of all bookings. The subsequent popular airline is KLM at 42%.

Best airlines flying from Cardiff to Sydney

Compare and see reviews for airlines that fly from Cardiff to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom £931	Free Cancellation	Rating 7.4 1,296 reviews		Search Etihad Airways flights
KLM	PriceFrom £1,193	Free Cancellation	Rating 7.7 1,411 reviews		Search KLM flights

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Why should I use momondo to find a flight deal from Cardiff to Sydney?

Finding the right flight to Sydney from Cardiff is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

Can I find flights from Cardiff to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Cardiff which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cardiff to Sydney?

Once you have performed a search for Cardiff to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Cardiff to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Cardiff and alert you when they change.