What is the cheapest airline that flies from Cardiff Wales to Sydney Kingsford Smith?

Singapore Airlines is the most popular carrier operating from Cardiff Wales to Sydney Kingsford Smith

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 were last updated today.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$2,092 Cheap Flights from Cardiff to Sydney in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $2,375 to $2,027. The lowest price recently found on this route was $2,092.

1 adult

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Find the cheapest flights from Cardiff to Sydney

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

23:15 - 16:50

CWL

SYD

32h 35m

2 stops

20:50 - 23:05

SYD

CWL

35h 15m

2 stops

$2,092Multiple Airlines

Tue, 12 May - Tue, 19 May

23:30 - 16:50

CWL

SYD

32h 20m

2 stops

15:40 - 16:45

SYD

CWL

34h 05m

2 stops

$2,221Multiple Airlines

Wed, 13 May - Wed, 20 May

17:15 - 06:25

CWL

SYD

28h 10m

2 stops

11:40 - 16:45

SYD

CWL

38h 05m

3 stops

$2,915KLM

Sun, 30 Aug - Sun, 27 Sep

21:45 - 16:50

CWL

SYD

34h 05m

2 stops

21:10 - 16:45

SYD

CWL

28h 35m

2 stops

$2,944Multiple Airlines

Sun, 30 Aug - Sun, 27 Sep

09:45 - 06:25

CWL

SYD

35h 40m

2 stops

06:15 - 16:45

SYD

CWL

43h 30m

3 stops

$3,110Multiple Airlines

Wed, 13 May - Wed, 20 May

17:15 - 05:10

CWL

SYD

26h 55m

3 stops

10:10 - 16:45

SYD

CWL

39h 35m

2 stops

$3,412Multiple Airlines

Tue, 12 May - Tue, 19 May

17:15 - 06:30

CWL

SYD

28h 15m

3 stops

11:40 - 09:15

SYD

CWL

30h 35m

3 stops

$3,743KLM

Sun, 30 Aug - Sun, 27 Sep

09:45 - 05:10

CWL

SYD

34h 25m

3 stops

20:30 - 16:45

SYD

CWL

53h 15m

3 stops

$4,031Air France

Tue, 12 May - Tue, 19 May

17:15 - 16:45

CWL

SYD

38h 30m

2 stops

07:25 - 17:05

SYD

CWL

42h 40m

2 stops

$4,082Singapore Airlines

Mon, 8 Jun - Fri, 12 Jun

17:15 - 06:05

CWL

SYD

27h 50m

2 stops

06:00 - 17:05

SYD

CWL

44h 05m

2 stops

$4,204Multiple Airlines

Mon, 20 Jul - Fri, 14 Aug

Singapore Airlines flights from Cardiff to Sydney

Our best Singapore Airlines deals on Cardiff to Sydney flight tickets

Singapore Airlines

8 June

CWL17:15Cardiff Wales

38h 30m

2 stops

SYD16:45Sydney Kingsford Smith

12 June

SYD07:25Sydney Kingsford Smith

42h 40m

2 stops

CWL17:05Cardiff Wales

$4,082

Singapore Airlines

1 June

CWL17:15Cardiff Wales

38h 30m

2 stops

SYD16:45Sydney Kingsford Smith

31 July

SYD18:00Sydney Kingsford Smith

48h 15m

2 stops

CWL09:15Cardiff Wales

$4,686

Singapore Airlines

1 June

CWL17:15Cardiff Wales

38h 30m

2 stops

SYD16:45Sydney Kingsford Smith

31 July

SYD07:25Sydney Kingsford Smith

34h 50m

2 stops

CWL09:15Cardiff Wales

$4,710

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets

KLM

30 Aug

CWL17:15Cardiff Wales

28h 10m

2 stops

SYD06:25Sydney Kingsford Smith

27 Sept

SYD11:40Sydney Kingsford Smith

38h 05m

3 stops

CWL16:45Cardiff Wales

$2,915

KLM

30 Aug

CWL17:15Cardiff Wales

28h 15m

3 stops

SYD06:30Sydney Kingsford Smith

27 Sept

SYD11:40Sydney Kingsford Smith

30h 35m

3 stops

CWL09:15Cardiff Wales

$3,743

KLM

13 May

CWL17:15Cardiff Wales

28h 55m

3 stops

SYD07:10Sydney Kingsford Smith

20 May

SYD06:15Sydney Kingsford Smith

43h 30m

3 stops

CWL16:45Cardiff Wales

$5,259

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

$2,092

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

$2,221

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 30/8

17:15-06:25

2 stops28h 10m

Sydney Kingsford Smith

Sun 27/9

11:40-16:45

3 stops38h 05m

$2,915

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

$2,944

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 13/5

09:45-06:25

2 stops35h 40m

Sydney Kingsford Smith

Wed 20/5

06:15-16:45

3 stops43h 30m

$3,110

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 12/5

17:15-05:10

3 stops26h 55m

Sydney Kingsford Smith

Tue 19/5

10:10-16:45

2 stops39h 35m

$3,412

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

$3,743

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 12/5

09:45-05:10

3 stops34h 25m

Sydney Kingsford Smith

Tue 19/5

20:30-16:45

3 stops53h 15m

$4,031

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

$4,082

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 20/7

17:15-06:05

2 stops27h 50m

Sydney Kingsford Smith

Fri 14/8

06:00-17:05

2 stops44h 05m

$4,204

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 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 typical price of a round-trip flight between Cardiff and Sydney?

What is the cheapest month to fly to Sydney?

The month of April is, on average, the cheapest month to fly to Sydney from Cardiff, with most prices found around $2,194. If you aren’t able to travel to Sydney during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $2,279.

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

Fastest flight time	28h 10m
Direct flights	None

The fastest flight from Cardiff to Sydney takes 28h 10m

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

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Frequently asked questions about flying from Cardiff to Sydney

How far is Cardiff Wales to Sydney Kingsford Smith by plane?
The distance between Cardiff Wales and Sydney Kingsford Smith is about 17164.5 km. In terms of flight time, this usually takes a little over 28h 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 were last updated today.
How old do you have to be to fly from Cardiff Wales Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Yes. momondo allows you to filter the results for Cardiff to Sydney flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Cardiff to Sydney.

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.