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.

$2,137 Cheap Flights from Cardiff to Sydney in 2026

Find the cheapest flights from Cardiff to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:45 - 09:20

CWL

SYD

38h 35m

2 stops

11:25 - 09:15

SYD

CWL

54h 50m

2 stops

$2,137Multiple Airlines

Mon, 31 Aug - Mon, 7 Sep

09:45 - 11:45

CWL

SYD

40h 00m

2 stops

11:40 - 09:50

SYD

CWL

33h 10m

2 stops

$2,563KLM

Wed, 14 Oct - Mon, 30 Nov

17:15 - 09:40

CWL

SYD

31h 25m

3 stops

22:10 - 09:15

SYD

CWL

44h 05m

2 stops

$2,596KLM

Mon, 31 Aug - Mon, 7 Sep

17:30 - 07:35

CWL

SYD

51h 05m

2 stops

11:15 - 17:00

SYD

CWL

40h 45m

2 stops

$2,615KLM

Fri, 1 Jan - Mon, 1 Mar

17:15 - 09:20

CWL

SYD

31h 05m

2 stops

11:25 - 09:15

SYD

CWL

54h 50m

2 stops

$2,625Multiple Airlines

Fri, 28 Aug - Mon, 31 Aug

09:45 - 11:45

CWL

SYD

40h 00m

2 stops

11:10 - 09:50

SYD

CWL

33h 40m

3 stops

$2,676KLM

Wed, 14 Oct - Mon, 30 Nov

17:30 - 07:35

CWL

SYD

51h 05m

2 stops

11:10 - 09:50

SYD

CWL

33h 40m

3 stops

$2,718KLM

Fri, 1 Jan - Mon, 1 Mar

10:20 - 07:35

CWL

SYD

34h 15m

2 stops

11:40 - 09:45

SYD

CWL

33h 05m

2 stops

$2,722KLM

Sat, 2 Jan - Sat, 23 Jan

10:20 - 07:35

CWL

SYD

34h 15m

2 stops

11:10 - 09:45

SYD

CWL

33h 35m

3 stops

$2,792KLM

Sat, 2 Jan - Sat, 23 Jan

09:45 - 08:10

CWL

SYD

36h 25m

3 stops

11:10 - 09:50

SYD

CWL

33h 40m

3 stops

$2,835KLM

Wed, 14 Oct - Mon, 30 Nov

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KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets

KLM

14 Oct

CWL09:45Cardiff Wales

40h 00m

2 stops

SYD11:45Sydney Kingsford Smith

30 Nov

SYD11:40Sydney Kingsford Smith

33h 10m

2 stops

CWL09:50Cardiff Wales

$2,563

KLM

31 Aug

CWL17:15Cardiff Wales

31h 25m

3 stops

SYD09:40Sydney Kingsford Smith

7 Sept

SYD22:10Sydney Kingsford Smith

44h 05m

2 stops

CWL09:15Cardiff Wales

$2,596

KLM

1 Jan

CWL17:30Cardiff Wales

51h 05m

2 stops

SYD07:35Sydney Kingsford Smith

1 Mar

SYD11:15Sydney Kingsford Smith

40h 45m

2 stops

CWL17:00Cardiff Wales

$2,615

Air France flights from Cardiff to Sydney

Our best Air France deals on Cardiff to Sydney flight tickets

Air France

10 Aug

CWL09:45Cardiff Wales

41h 50m

2 stops

SYD12:35Sydney Kingsford Smith

30 Aug

SYD11:00Sydney Kingsford Smith

62h 45m

2 stops

CWL16:45Cardiff Wales

$2,855

Air France

17 July

CWL17:15Cardiff Wales

54h 45m

2 stops

SYD09:00Sydney Kingsford Smith

24 July

SYD20:30Sydney Kingsford Smith

53h 15m

2 stops

CWL16:45Cardiff Wales

$3,373

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 31/8

09:45-09:20

2 stops38h 35m

Sydney Kingsford Smith

Mon 7/9

11:25-09:15

2 stops54h 50m

$2,137

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 14/10

09:45-11:45

2 stops40h 00m

Sydney Kingsford Smith

Mon 30/11

11:40-09:50

2 stops33h 10m

$2,563

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 31/8

17:15-09:40

3 stops31h 25m

Sydney Kingsford Smith

Mon 7/9

22:10-09:15

2 stops44h 05m

$2,596

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 1/1

17:30-07:35

2 stops51h 05m

Sydney Kingsford Smith

Mon 1/3

11:15-17:00

2 stops40h 45m

$2,615

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 28/8

17:15-09:20

2 stops31h 05m

Sydney Kingsford Smith

Mon 31/8

11:25-09:15

2 stops54h 50m

$2,625

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 14/10

09:45-11:45

2 stops40h 00m

Sydney Kingsford Smith

Mon 30/11

11:10-09:50

3 stops33h 40m

$2,676

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 1/1

17:30-07:35

2 stops51h 05m

Sydney Kingsford Smith

Mon 1/3

11:10-09:50

3 stops33h 40m

$2,718

Fastest return journey

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 2/1

10:20-07:35

2 stops34h 15m

Sydney Kingsford Smith

Sat 23/1

11:40-09:45

2 stops33h 05m

$2,722

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 2/1

10:20-07:35

2 stops34h 15m

Sydney Kingsford Smith

Sat 23/1

11:10-09:45

3 stops33h 35m

$2,792

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 14/10

09:45-08:10

3 stops36h 25m

Sydney Kingsford Smith

Mon 30/11

11:10-09:50

3 stops33h 40m

$2,835

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 June is, on average, the cheapest month to fly to Sydney from Cardiff, with most prices found around $0. If you aren’t able to travel to Sydney during the month of June, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,794.

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	38h 35m
Direct flights	None

The fastest flight from Cardiff to Sydney takes 38h 35m

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 38h 35m.
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 use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cardiff to Sydney. momondo saves you time and could save you money on your trip.

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.