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.

$2,143 Cheap Flights from Cardiff to Sydney in 2026

1 adult

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Find the cheapest flights from Cardiff to Sydney

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

20:05 - 17:55

CWL

SYD

34h 50m

2 stops

21:45 - 20:55

SYD

CWL

34h 10m

2 stops

$2,143Multiple Airlines

Sat, 28 Feb - Sat, 7 Mar

20:05 - 17:55

CWL

SYD

34h 50m

2 stops

21:15 - 16:50

SYD

CWL

30h 35m

3 stops

$2,226Multiple Airlines

Sat, 28 Feb - Sat, 7 Mar

15:55 - 07:00

CWL

SYD

28h 05m

2 stops

13:35 - 15:10

SYD

CWL

36h 35m

3 stops

$2,264Multiple Airlines

Wed, 18 Mar - Wed, 25 Mar

10:20 - 07:35

CWL

SYD

34h 15m

2 stops

10:25 - 09:50

SYD

CWL

34h 25m

2 stops

$2,562KLM

Wed, 18 Mar - Wed, 25 Mar

10:20 - 10:45

CWL

SYD

37h 25m

3 stops

12:10 - 09:50

SYD

CWL

32h 40m

2 stops

$2,572KLM

Wed, 25 Feb - Mon, 23 Mar

10:20 - 07:55

CWL

SYD

34h 35m

2 stops

12:10 - 09:50

SYD

CWL

32h 40m

2 stops

$2,579KLM

Wed, 25 Feb - Tue, 24 Mar

17:25 - 07:25

CWL

SYD

27h 00m

3 stops

12:10 - 09:50

SYD

CWL

32h 40m

2 stops

$2,582KLM

Tue, 24 Feb - Tue, 24 Mar

10:20 - 07:55

CWL

SYD

34h 35m

2 stops

11:10 - 09:50

SYD

CWL

33h 40m

3 stops

$2,585KLM

Mon, 2 Mar - Thu, 26 Mar

17:25 - 06:35

CWL

SYD

26h 10m

2 stops

11:10 - 09:50

SYD

CWL

33h 40m

3 stops

$2,588KLM

Tue, 3 Mar - Thu, 26 Mar

10:20 - 07:55

CWL

SYD

34h 35m

2 stops

10:25 - 09:50

SYD

CWL

34h 25m

2 stops

$2,708KLM

Wed, 25 Feb - Sun, 22 Mar

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets

KLM

12 Mar

CWL10:20Cardiff Wales

34h 15m

2 stops

SYD07:35Sydney Kingsford Smith

19 Mar

SYD14:30Sydney Kingsford Smith

37h 15m

2 stops

CWL16:45Cardiff Wales

$2,136

KLM

18 Mar

CWL10:20Cardiff Wales

34h 15m

2 stops

SYD07:35Sydney Kingsford Smith

25 Mar

SYD10:25Sydney Kingsford Smith

34h 25m

2 stops

CWL09:50Cardiff Wales

$2,562

KLM

25 Feb

CWL10:20Cardiff Wales

37h 25m

3 stops

SYD10:45Sydney Kingsford Smith

23 Mar

SYD12:10Sydney Kingsford Smith

32h 40m

2 stops

CWL09:50Cardiff Wales

$2,572

Singapore Airlines flights from Cardiff to Sydney

Our best Singapore Airlines deals on Cardiff to Sydney flight tickets

Singapore Airlines

3 Mar

CWL17:25Cardiff Wales

37h 30m

2 stops

SYD17:55Sydney Kingsford Smith

21 Mar

SYD19:10Sydney Kingsford Smith

49h 40m

2 stops

CWL09:50Cardiff Wales

$3,614

Singapore Airlines

9 Mar

CWL17:15Cardiff Wales

37h 40m

2 stops

SYD17:55Sydney Kingsford Smith

19 Mar

SYD19:10Sydney Kingsford Smith

49h 40m

2 stops

CWL09:50Cardiff Wales

$3,877

Singapore Airlines

18 Feb

CWL17:25Cardiff Wales

37h 30m

2 stops

SYD17:55Sydney Kingsford Smith

18 Apr

SYD18:00Sydney Kingsford Smith

48h 15m

2 stops

CWL09:15Cardiff Wales

$4,540

Fly from

Fly to

Route

Depart

Return

Price

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 28/2

20:05-17:55

2 stops34h 50m

Sydney Kingsford Smith

Sat 7/3

21:45-20:55

2 stops34h 10m

$2,143

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 28/2

20:05-17:55

2 stops34h 50m

Sydney Kingsford Smith

Sat 7/3

21:15-16:50

3 stops30h 35m

$2,226

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 18/3

15:55-07:00

2 stops28h 05m

Sydney Kingsford Smith

Wed 25/3

13:35-15:10

3 stops36h 35m

$2,264

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 18/3

10:20-07:35

2 stops34h 15m

Sydney Kingsford Smith

Wed 25/3

10:25-09:50

2 stops34h 25m

$2,562

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 25/2

10:20-10:45

3 stops37h 25m

Sydney Kingsford Smith

Mon 23/3

12:10-09:50

2 stops32h 40m

$2,572

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 25/2

10:20-07:55

2 stops34h 35m

Sydney Kingsford Smith

Tue 24/3

12:10-09:50

2 stops32h 40m

$2,579

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 24/2

17:25-07:25

3 stops27h 00m

Sydney Kingsford Smith

Tue 24/3

12:10-09:50

2 stops32h 40m

$2,582

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 2/3

10:20-07:55

2 stops34h 35m

Sydney Kingsford Smith

Thu 26/3

11:10-09:50

3 stops33h 40m

$2,585

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 3/3

17:25-06:35

2 stops26h 10m

Sydney Kingsford Smith

Thu 26/3

11:10-09:50

3 stops33h 40m

$2,588

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 25/2

10:20-07:55

2 stops34h 35m

Sydney Kingsford Smith

Sun 22/3

10:25-09:50

2 stops34h 25m

$2,708

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 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 $1,999. 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 $2,253.

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 05m
Direct flights	None

The fastest flight from Cardiff to Sydney takes 28h 05m

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?
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 05m.
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.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Coogee

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

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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?

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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.