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 62% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 5 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 3 operators available for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport as of August 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.

£1,015 Cheap Flights from Cardiff to Sydney in 2025

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Find the cheapest flights from Cardiff to Sydney

Round-trip

One-way

Last minute

Cheap return flights

09:50 - 09:20CWL-SYD

38h 30m2 stops

11:25 - 09:15SYD-CWL

54h 50m2 stops

£1,267

Find Deal

Fri, 26 Sep - Fri, 3 Oct

12:25 - 07:50CWL-SYD

34h 25m3 stops

15:40 - 17:05SYD-CWL

34h 25m3 stops

£1,270

Find Deal

Fri, 26 Sep - Fri, 3 Oct

17:35 - 05:10CWL-SYD

26h 35m2 stops

09:50 - 09:15SYD-CWL

56h 25m2 stops

£1,312

Find Deal

Sat, 27 Sep - Sat, 4 Oct

10:20 - 10:45CWL-SYD

37h 25m3 stops

12:45 - 09:50SYD-CWL

32h 05m3 stops

£1,324

Find Deal

Wed, 10 Dec - Wed, 17 Dec

12:25 - 07:50CWL-SYD

34h 25m3 stops

20:45 - 20:10SYD-CWL

56h 25m2 stops

£1,397

Find Deal

Fri, 26 Sep - Fri, 3 Oct

17:25 - 06:35CWL-SYD

26h 10m2 stops

15:55 - 16:55SYD-CWL

36h 00m2 stops

£1,476KLM

Find Deal

Wed, 10 Dec - Wed, 17 Dec

09:45 - 10:25CWL-SYD

39h 40m3 stops

11:45 - 09:15SYD-CWL

30h 30m3 stops

£1,510

Find Deal

Sat, 27 Sep - Sat, 4 Oct

09:45 - 10:25CWL-SYD

39h 40m3 stops

20:45 - 16:45SYD-CWL

29h 00m2 stops

£1,561

Find Deal

Sat, 27 Sep - Sat, 4 Oct

10:20 - 06:35CWL-SYD

33h 15m2 stops

11:10 - 09:50SYD-CWL

33h 40m3 stops

£1,840

Find Deal

Wed, 10 Dec - Wed, 17 Dec

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets

KLM

10 Dec

CWL17:25Cardiff Wales

26h 10m

2 stops

SYD06:35Sydney Kingsford Smith

17 Dec

SYD15:55Sydney Kingsford Smith

36h 00m

2 stops

CWL16:55Cardiff Wales

£1,476

Find similar

KLM

16 Aug

CWL17:35Cardiff Wales

51h 50m

2 stops

SYD06:25Sydney Kingsford Smith

23 Aug

SYD14:50Sydney Kingsford Smith

27h 25m

2 stops

CWL09:15Cardiff Wales

£1,944

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 26/9

09:50-09:20

2 stops38h 30m

Sydney Kingsford Smith

Fri 3/10

11:25-09:15

2 stops54h 50m

£1,267

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 26/9

12:25-07:50

3 stops34h 25m

Sydney Kingsford Smith

Fri 3/10

15:40-17:05

3 stops34h 25m

£1,270

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 27/9

17:35-05:10

2 stops26h 35m

Sydney Kingsford Smith

Sat 4/10

09:50-09:15

2 stops56h 25m

£1,312

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 10/12

10:20-10:45

3 stops37h 25m

Sydney Kingsford Smith

Wed 17/12

12:45-09:50

3 stops32h 05m

£1,324

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 26/9

12:25-07:50

3 stops34h 25m

Sydney Kingsford Smith

Fri 3/10

20:45-20:10

2 stops56h 25m

£1,397

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 10/12

17:25-06:35

2 stops26h 10m

Sydney Kingsford Smith

Wed 17/12

15:55-16:55

2 stops36h 00m

£1,476

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 27/9

09:45-10:25

3 stops39h 40m

Sydney Kingsford Smith

Sat 4/10

11:45-09:15

3 stops30h 30m

£1,510

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 27/9

09:45-10:25

3 stops39h 40m

Sydney Kingsford Smith

Sat 4/10

20:45-16:45

2 stops29h 00m

£1,561

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 10/12

10:20-06:35

2 stops33h 15m

Sydney Kingsford Smith

Wed 17/12

11:10-09:50

3 stops33h 40m

£1,840

Flights are sorted by cheapest return flights first.

Sorted 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 £1,026. 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 £1,056.

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 £1,218. 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 £1,591.

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 £1,233. 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 £1,482 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

Best price found	£1,267
Fastest flight time	26h 10m
Direct flights	None
Airports in Sydney	1 airport

The best flight deal from Cardiff to Sydney found on momondo in the last 72 hours is £1,267

The fastest flight from Cardiff to Sydney takes 26h 10m

There are no direct flights from Cardiff to Sydney. Popular non-direct route for this connection is Cardiff Wales Airport - Sydney Kingsford Smith Airport.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

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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 10m.
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 3 operators available for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport as of August 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 44% of all bookings. The subsequent popular airlines are KLM at 44% and Air France at 12%.

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 £956	Free Cancellation	Rating 7.4 1,232 reviews	Search Etihad Airways flights
Air France	PriceFrom £973	Free Cancellation	Rating 7.4 1,467 reviews	Search Air France flights
KLM	PriceFrom £1,189	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights

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Why use momondo?

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.