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

KLM 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.

$883 Cheap Flights from Cardiff to Sydney in 2025/26

1 adult

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Find the cheapest flights from Cardiff to Sydney

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10:30 - 06:15

CWL

SYD

32h 45m3 stops

10:30 - 22:00

SYD

CWL

46h 30m3 stops

$2,158Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

23:15 - 17:00

CWL

SYD

32h 45m2 stops

11:00 - 20:30

SYD

CWL

42h 30m3 stops

$2,280Multiple Airlines

Tue, 5 May - Tue, 12 May

10:20 - 10:45

CWL

SYD

37h 25m3 stops

06:35 - 09:50

SYD

CWL

38h 15m3 stops

$2,338KLM

Wed, 28 Jan - Wed, 4 Feb

10:30 - 06:15

CWL

SYD

32h 45m3 stops

21:45 - 22:00

SYD

CWL

35h 15m2 stops

$2,346Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

17:15 - 06:45

CWL

SYD

28h 30m2 stops

08:25 - 09:15

SYD

CWL

33h 50m2 stops

$2,361KLM

Tue, 5 May - Tue, 12 May

10:20 - 06:35

CWL

SYD

33h 15m2 stops

11:05 - 09:15

SYD

CWL

32h 10m2 stops

$2,382Multiple Airlines

Sun, 1 Mar - Tue, 31 Mar

15:55 - 07:00

CWL

SYD

28h 05m2 stops

16:35 - 10:05

SYD

CWL

28h 30m2 stops

$2,438Multiple Airlines

Wed, 28 Jan - Wed, 4 Feb

10:15 - 10:45

CWL

SYD

37h 30m3 stops

12:45 - 16:45

SYD

CWL

39h 00m2 stops

$2,537Multiple Airlines

Sun, 11 Jan - Sun, 8 Feb

17:30 - 07:30

CWL

SYD

27h 00m3 stops

10:30 - 09:15

SYD

CWL

32h 45m2 stops

$2,550Multiple Airlines

Sun, 1 Mar - Tue, 31 Mar

17:25 - 12:00

CWL

SYD

31h 35m2 stops

10:20 - 16:45

SYD

CWL

41h 25m2 stops

$2,599Multiple Airlines

Thu, 12 Mar - Thu, 26 Mar

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets

KLM

28 Jan

CWL10:20Cardiff Wales

37h 25m

3 stops

SYD10:45Sydney Kingsford Smith

4 Feb

SYD06:35Sydney Kingsford Smith

38h 15m

3 stops

CWL09:50Cardiff Wales

$2,338

Find similar

KLM

5 May

CWL17:15Cardiff Wales

28h 30m

2 stops

SYD06:45Sydney Kingsford Smith

12 May

SYD08:25Sydney Kingsford Smith

33h 50m

2 stops

CWL09:15Cardiff Wales

$2,361

Find similar

KLM

12 Jan

CWL17:15Cardiff Wales

30h 30m

3 stops

SYD10:45Sydney Kingsford Smith

19 Jan

SYD06:35Sydney Kingsford Smith

38h 15m

3 stops

CWL09:50Cardiff Wales

$2,758

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 29/1

10:30-06:15

3 stops32h 45m

Sydney Kingsford Smith

Thu 5/2

10:30-22:00

3 stops46h 30m

$2,158

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 5/5

23:15-17:00

2 stops32h 45m

Sydney Kingsford Smith

Tue 12/5

11:00-20:30

3 stops42h 30m

$2,280

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 28/1

10:20-10:45

3 stops37h 25m

Sydney Kingsford Smith

Wed 4/2

06:35-09:50

3 stops38h 15m

$2,338

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 29/1

10:30-06:15

3 stops32h 45m

Sydney Kingsford Smith

Thu 5/2

21:45-22:00

2 stops35h 15m

$2,346

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 5/5

17:15-06:45

2 stops28h 30m

Sydney Kingsford Smith

Tue 12/5

08:25-09:15

2 stops33h 50m

$2,361

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 1/3

10:20-06:35

2 stops33h 15m

Sydney Kingsford Smith

Tue 31/3

11:05-09:15

2 stops32h 10m

$2,382

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 28/1

15:55-07:00

2 stops28h 05m

Sydney Kingsford Smith

Wed 4/2

16:35-10:05

2 stops28h 30m

$2,438

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 11/1

10:15-10:45

3 stops37h 30m

Sydney Kingsford Smith

Sun 8/2

12:45-16:45

2 stops39h 00m

$2,537

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 1/3

17:30-07:30

3 stops27h 00m

Sydney Kingsford Smith

Tue 31/3

10:30-09:15

2 stops32h 45m

$2,550

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Thu 12/3

17:25-12:00

2 stops31h 35m

Sydney Kingsford Smith

Thu 26/3

10:20-16:45

2 stops41h 25m

$2,599

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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 $2,093. If you aren’t able to travel to Sydney during the month of April, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $2,153.

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	27h 00m
Direct flights	None

The fastest flight from Cardiff to Sydney takes 27h 00m

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 27h 00m.
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.