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 64% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 4 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 October 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.

£1,021 Cheap Flights from Cardiff to Sydney in 2025/26

Q: What is the typical price of a round-trip flight between Cardiff and Sydney?

Prices are currently high for flights on this route. Typical prices usually range from £1,081 to £1,295. The lowest price recently found on this route was £1,335.

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Find the cheapest flights from Cardiff to Sydney

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One-way

Cheap return flights

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20:05 - 17:55CWL-SYD

34h 50m2 stops

15:00 - 16:50SYD-CWL

36h 50m3 stops

£1,335Multiple Airlines

Find Deal

Sat, 1 Nov - Sat, 29 Nov

10:20 - 06:35CWL-SYD

33h 15m2 stops

10:20 - 09:50SYD-CWL

58h 30m2 stops

£1,493Multiple Airlines

Find Deal

Sat, 1 Nov - Sat, 29 Nov

20:05 - 17:55CWL-SYD

34h 50m2 stops

10:45 - 16:50SYD-CWL

41h 05m3 stops

£1,570Multiple Airlines

Find Deal

Sat, 1 Nov - Sat, 29 Nov

10:20 - 06:35CWL-SYD

33h 15m3 stops

15:00 - 16:50SYD-CWL

36h 50m3 stops

£1,640Multiple Airlines

Find Deal

Sat, 1 Nov - Sat, 29 Nov

10:20 - 13:05CWL-SYD

39h 45m3 stops

10:45 - 16:50SYD-CWL

41h 05m3 stops

£1,960Multiple Airlines

Find Deal

Sat, 1 Nov - Sat, 29 Nov

17:25 - 07:35CWL-SYD

51h 10m2 stops

12:10 - 16:45SYD-CWL

63h 35m2 stops

£6,889Multiple Airlines

Find Deal

Sat, 15 Nov - Sat, 22 Nov

17:25 - 06:35CWL-SYD

26h 10m2 stops

11:30 - 09:50SYD-CWL

33h 20m2 stops

£8,585KLM

Find Deal

Thu, 26 Feb - Wed, 11 Mar

17:25 - 07:25CWL-SYD

27h 00m2 stops

11:30 - 09:50SYD-CWL

33h 20m2 stops

£8,590KLM

Find Deal

Thu, 26 Feb - Wed, 11 Mar

10:20 - 06:35CWL-SYD

33h 15m3 stops

14:30 - 09:50SYD-CWL

30h 20m2 stops

£8,775Multiple Airlines

Find Deal

Thu, 26 Feb - Wed, 11 Mar

17:25 - 07:35CWL-SYD

51h 10m2 stops

06:35 - 09:50SYD-CWL

38h 15m3 stops

£8,975KLM

Find Deal

Sat, 15 Nov - Sat, 22 Nov

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets

KLM

26 Feb

CWL17:25Cardiff Wales

26h 10m

2 stops

SYD06:35Sydney Kingsford Smith

11 Mar

SYD11:30Sydney Kingsford Smith

33h 20m

2 stops

CWL09:50Cardiff Wales

£8,585

Find similar

KLM

26 Feb

CWL17:25Cardiff Wales

27h 00m

2 stops

SYD07:25Sydney Kingsford Smith

11 Mar

SYD11:30Sydney Kingsford Smith

33h 20m

2 stops

CWL09:50Cardiff Wales

£8,590

Find similar

KLM

15 Nov

CWL17:25Cardiff Wales

51h 10m

2 stops

SYD07:35Sydney Kingsford Smith

22 Nov

SYD06:35Sydney Kingsford Smith

38h 15m

3 stops

CWL09:50Cardiff Wales

£8,975

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 1/11

20:05-17:55

2 stops34h 50m

Sydney Kingsford Smith

Sat 29/11

15:00-16:50

3 stops36h 50m

£1,335

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 1/11

10:20-06:35

2 stops33h 15m

Sydney Kingsford Smith

Sat 29/11

10:20-09:50

2 stops58h 30m

£1,493

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 1/11

20:05-17:55

2 stops34h 50m

Sydney Kingsford Smith

Sat 29/11

10:45-16:50

3 stops41h 05m

£1,570

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 1/11

10:20-06:35

3 stops33h 15m

Sydney Kingsford Smith

Sat 29/11

15:00-16:50

3 stops36h 50m

£1,640

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 1/11

10:20-13:05

3 stops39h 45m

Sydney Kingsford Smith

Sat 29/11

10:45-16:50

3 stops41h 05m

£1,960

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 15/11

17:25-07:35

2 stops51h 10m

Sydney Kingsford Smith

Sat 22/11

12:10-16:45

2 stops63h 35m

£6,889

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 26/2

17:25-06:35

2 stops26h 10m

Sydney Kingsford Smith

Wed 11/3

11:30-09:50

2 stops33h 20m

£8,585

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 26/2

17:25-07:25

2 stops27h 00m

Sydney Kingsford Smith

Wed 11/3

11:30-09:50

2 stops33h 20m

£8,590

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 26/2

10:20-06:35

3 stops33h 15m

Sydney Kingsford Smith

Wed 11/3

14:30-09:50

2 stops30h 20m

£8,775

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 15/11

17:25-07:35

2 stops51h 10m

Sydney Kingsford Smith

Sat 22/11

06:35-09:50

3 stops38h 15m

£8,975

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 typical price of a round-trip flight between Cardiff and Sydney?

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 £1,032. 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 £1,062.

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 £1,225. 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 £1,601.

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 £1,241. 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 £1,491 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.

Search flight deals

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 2 operators available for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport as of October 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 54% of all bookings. The subsequent popular airline is KLM at 46%.

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 £977	Free Cancellation	Rating 7.4 1,267 reviews		Search Etihad Airways flights
KLM	PriceFrom £1,179	Free Cancellation	Rating 7.8 1,389 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.