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

WestJet 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.

$2,492 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

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:15 - 07:10

CWL

SYD

27h 55m

2 stops

20:45 - 17:05

SYD

CWL

29h 20m

2 stops

$2,492Multiple Airlines

Wed, 1 Apr - Fri, 24 Apr

17:15 - 06:10

CWL

SYD

27h 55m

2 stops

21:05 - 21:45

SYD

CWL

33h 40m

3 stops

$2,662Multiple Airlines

Sun, 19 Apr - Sun, 26 Apr

23:15 - 17:10

CWL

SYD

32h 55m

2 stops

14:10 - 09:15

SYD

CWL

28h 05m

2 stops

$2,667Multiple Airlines

Tue, 21 Apr - Tue, 28 Apr

09:35 - 17:10

CWL

SYD

46h 35m

2 stops

20:45 - 14:20

SYD

CWL

50h 35m

2 stops

$2,693Multiple Airlines

Sun, 19 Apr - Sun, 26 Apr

17:15 - 16:50

CWL

SYD

38h 35m

2 stops

15:40 - 16:45

SYD

CWL

34h 05m

2 stops

$2,694Multiple Airlines

Tue, 21 Apr - Tue, 28 Apr

17:15 - 06:10

CWL

SYD

27h 55m

2 stops

15:40 - 16:45

SYD

CWL

34h 05m

2 stops

$2,852Multiple Airlines

Sun, 5 Apr - Sun, 12 Apr

17:15 - 06:10

CWL

SYD

27h 55m

2 stops

15:40 - 16:45

SYD

CWL

34h 05m

2 stops

$2,857Multiple Airlines

Sun, 5 Apr - Sun, 12 Apr

17:15 - 06:25

CWL

SYD

52h 10m

2 stops

16:25 - 16:45

SYD

CWL

57h 20m

3 stops

$3,002Multiple Airlines

Tue, 21 Apr - Tue, 28 Apr

17:15 - 06:25

CWL

SYD

52h 10m

2 stops

16:25 - 16:45

SYD

CWL

57h 20m

3 stops

$3,015Multiple Airlines

Tue, 21 Apr - Tue, 28 Apr

17:15 - 07:25

CWL

SYD

52h 10m

2 stops

16:25 - 16:45

SYD

CWL

57h 20m

3 stops

$3,436Multiple Airlines

Wed, 1 Apr - Fri, 24 Apr

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets

KLM

24 Apr

CWL17:15Cardiff Wales

28h 55m

3 stops

SYD07:10Sydney Kingsford Smith

1 May

SYD07:55Sydney Kingsford Smith

34h 20m

2 stops

CWL09:15Cardiff Wales

$3,815

KLM

21 Apr

CWL17:15Cardiff Wales

28h 55m

3 stops

SYD07:10Sydney Kingsford Smith

28 Apr

SYD06:15Sydney Kingsford Smith

43h 30m

3 stops

CWL16:45Cardiff Wales

$4,395

KLM

5 Apr

CWL17:15Cardiff Wales

28h 55m

3 stops

SYD07:10Sydney Kingsford Smith

12 Apr

SYD11:40Sydney Kingsford Smith

30h 35m

3 stops

CWL09:15Cardiff Wales

$4,768

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 1/4

17:15-07:10

2 stops27h 55m

Sydney Kingsford Smith

Fri 24/4

20:45-17:05

2 stops29h 20m

$2,492

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 19/4

17:15-06:10

2 stops27h 55m

Sydney Kingsford Smith

Sun 26/4

21:05-21:45

3 stops33h 40m

$2,662

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 21/4

23:15-17:10

2 stops32h 55m

Sydney Kingsford Smith

Tue 28/4

14:10-09:15

2 stops28h 05m

$2,667

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 19/4

09:35-17:10

2 stops46h 35m

Sydney Kingsford Smith

Sun 26/4

20:45-14:20

2 stops50h 35m

$2,693

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 21/4

17:15-16:50

2 stops38h 35m

Sydney Kingsford Smith

Tue 28/4

15:40-16:45

2 stops34h 05m

$2,694

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 5/4

17:15-06:10

2 stops27h 55m

Sydney Kingsford Smith

Sun 12/4

15:40-16:45

2 stops34h 05m

$2,852

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 5/4

17:15-06:10

2 stops27h 55m

Sydney Kingsford Smith

Sun 12/4

15:40-16:45

2 stops34h 05m

$2,857

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 21/4

17:15-06:25

2 stops52h 10m

Sydney Kingsford Smith

Tue 28/4

16:25-16:45

3 stops57h 20m

$3,002

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 21/4

17:15-06:25

2 stops52h 10m

Sydney Kingsford Smith

Tue 28/4

16:25-16:45

3 stops57h 20m

$3,015

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 1/4

17:15-07:25

2 stops52h 10m

Sydney Kingsford Smith

Fri 24/4

16:25-16:45

3 stops57h 20m

$3,436

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 $2,122. 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 $2,203.

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	25h 45m
Direct flights	None

The fastest flight from Cardiff to Sydney takes 25h 45m

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 25h 45m.
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.