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.

$1,505 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 $2,426 to $2,906. The lowest price recently found on this route was $2,354.

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

10:20 - 13:35

CWL

SYD

40h 15m

2 stops

12:00 - 09:15

SYD

CWL

55h 15m

2 stops

$2,354Multiple Airlines

Mon, 23 Mar - Mon, 30 Mar

09:45 - 09:00

CWL

SYD

38h 15m

2 stops

14:45 - 17:05

SYD

CWL

35h 20m

2 stops

$2,647Multiple Airlines

Fri, 24 Apr - Fri, 22 May

10:20 - 07:35

CWL

SYD

34h 15m

2 stops

11:10 - 16:45

SYD

CWL

39h 35m

3 stops

$2,679KLM

Mon, 23 Mar - Mon, 30 Mar

17:15 - 10:45

CWL

SYD

30h 30m

3 stops

11:10 - 16:45

SYD

CWL

39h 35m

3 stops

$2,747KLM

Mon, 23 Mar - Mon, 30 Mar

17:15 - 06:30

CWL

SYD

28h 15m

3 stops

11:25 - 09:15

SYD

CWL

54h 50m

2 stops

$2,874Multiple Airlines

Fri, 24 Apr - Fri, 22 May

17:30 - 07:25

CWL

SYD

26h 55m

2 stops

15:45 - 16:45

SYD

CWL

35h 00m

2 stops

$3,009KLM

Sun, 1 Mar - Wed, 1 Apr

10:20 - 10:20

CWL

SYD

37h 00m

2 stops

07:15 - 16:45

SYD

CWL

43h 30m

3 stops

$3,056KLM

Wed, 25 Mar - Wed, 1 Apr

17:30 - 07:30

CWL

SYD

27h 00m

3 stops

15:45 - 16:45

SYD

CWL

35h 00m

2 stops

$3,119KLM

Sun, 1 Mar - Wed, 1 Apr

17:25 - 08:35

CWL

SYD

28h 10m

3 stops

07:15 - 16:45

SYD

CWL

43h 30m

3 stops

$3,156KLM

Wed, 25 Mar - Wed, 1 Apr

17:15 - 17:55

CWL

SYD

37h 40m

2 stops

16:10 - 16:55

SYD

CWL

35h 45m

2 stops

$3,562Singapore Airlines

Mon, 9 Mar - Mon, 16 Mar

Singapore Airlines flights from Cardiff to Sydney

Our best Singapore Airlines deals on Cardiff to Sydney flight tickets

Singapore Airlines

9 Mar

CWL17:15Cardiff Wales

37h 40m

2 stops

SYD17:55Sydney Kingsford Smith

16 Mar

SYD16:10Sydney Kingsford Smith

35h 45m

2 stops

CWL16:55Cardiff Wales

$3,562

Singapore Airlines

23 July

CWL17:15Cardiff Wales

41h 00m

2 stops

SYD19:15Sydney Kingsford Smith

11 Aug

SYD15:00Sydney Kingsford Smith

27h 15m

2 stops

CWL09:15Cardiff Wales

$5,780

Singapore Airlines

22 July

CWL17:15Cardiff Wales

38h 30m

2 stops

SYD16:45Sydney Kingsford Smith

11 Aug

SYD15:00Sydney Kingsford Smith

27h 15m

2 stops

CWL09:15Cardiff Wales

$6,122

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets

KLM

23 Mar

CWL10:20Cardiff Wales

34h 15m

2 stops

SYD07:35Sydney Kingsford Smith

30 Mar

SYD11:10Sydney Kingsford Smith

39h 35m

3 stops

CWL16:45Cardiff Wales

$2,679

KLM

23 Mar

CWL17:15Cardiff Wales

30h 30m

3 stops

SYD10:45Sydney Kingsford Smith

30 Mar

SYD11:10Sydney Kingsford Smith

39h 35m

3 stops

CWL16:45Cardiff Wales

$2,747

KLM

10 Feb

CWL17:25Cardiff Wales

27h 00m

2 stops

SYD07:25Sydney Kingsford Smith

24 Feb

SYD11:30Sydney Kingsford Smith

33h 20m

2 stops

CWL09:50Cardiff Wales

$2,986

Fly from

Fly to

Route

Depart

Return

Price

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 23/3

10:20-13:35

2 stops40h 15m

Sydney Kingsford Smith

Mon 30/3

12:00-09:15

2 stops55h 15m

$2,354

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 24/4

09:45-09:00

2 stops38h 15m

Sydney Kingsford Smith

Fri 22/5

14:45-17:05

2 stops35h 20m

$2,647

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 23/3

10:20-07:35

2 stops34h 15m

Sydney Kingsford Smith

Mon 30/3

11:10-16:45

3 stops39h 35m

$2,679

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 23/3

17:15-10:45

3 stops30h 30m

Sydney Kingsford Smith

Mon 30/3

11:10-16:45

3 stops39h 35m

$2,747

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 24/4

17:15-06:30

3 stops28h 15m

Sydney Kingsford Smith

Fri 22/5

11:25-09:15

2 stops54h 50m

$2,874

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 1/3

17:30-07:25

2 stops26h 55m

Sydney Kingsford Smith

Wed 1/4

15:45-16:45

2 stops35h 00m

$3,009

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 25/3

10:20-10:20

2 stops37h 00m

Sydney Kingsford Smith

Wed 1/4

07:15-16:45

3 stops43h 30m

$3,056

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 1/3

17:30-07:30

3 stops27h 00m

Sydney Kingsford Smith

Wed 1/4

15:45-16:45

2 stops35h 00m

$3,119

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 25/3

17:25-08:35

3 stops28h 10m

Sydney Kingsford Smith

Wed 1/4

07:15-16:45

3 stops43h 30m

$3,156

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 9/3

17:15-17:55

2 stops37h 40m

Sydney Kingsford Smith

Mon 16/3

16:10-16:55

2 stops35h 45m

$3,562

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 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 $2,149. 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 $2,237.

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	26h 55m
Direct flights	None

The fastest flight from Cardiff to Sydney takes 26h 55m

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 26h 55m.
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

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.