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Cheap flights from Cardiff to Sydney from £486

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Sydney departing on 11/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Air France Logo
09:45 - 06:45
CWL
-
SYD
36h 00m
2 stops
Air France Logo
10:20 - 17:05
SYD
-
CWL
39h 45m
2 stops
£1,178Air France
Fri, 10 Apr - Fri, 17 Apr
Multiple Airlines Logo
21:45 - 16:50
CWL
-
SYD
34h 05m
2 stops
Multiple Airlines Logo
15:40 - 16:45
SYD
-
CWL
34h 05m
2 stops
£1,189Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
Multiple Airlines Logo
17:35 - 06:10
CWL
-
SYD
27h 35m
2 stops
Multiple Airlines Logo
21:30 - 21:20
SYD
-
CWL
32h 50m
2 stops
£1,280Multiple Airlines
Sat, 11 Apr - Sat, 18 Apr
Multiple Airlines Logo
09:50 - 05:10
CWL
-
SYD
34h 20m
3 stops
Multiple Airlines Logo
13:05 - 16:45
SYD
-
CWL
36h 40m
2 stops
£1,342Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
KLM Logo
17:25 - 06:35
CWL
-
SYD
26h 10m
2 stops
KLM Logo
09:15 - 09:15
SYD
-
CWL
33h 00m
2 stops
£1,362KLM
Tue, 24 Mar - Tue, 28 Apr
KLM Logo
17:25 - 08:35
CWL
-
SYD
28h 10m
3 stops
KLM Logo
09:15 - 09:15
SYD
-
CWL
33h 00m
2 stops
£1,371KLM
Tue, 24 Mar - Tue, 28 Apr
Air France Logo
17:15 - 06:10
CWL
-
SYD
26h 55m
2 stops
Air France Logo
10:20 - 16:45
SYD
-
CWL
39h 25m
2 stops
£1,374Air France
Wed, 1 Apr - Wed, 15 Apr
Multiple Airlines Logo
09:50 - 05:10
CWL
-
SYD
34h 20m
3 stops
Multiple Airlines Logo
11:40 - 16:45
SYD
-
CWL
38h 05m
3 stops
£1,393Multiple Airlines
Sun, 12 Apr - Sun, 19 Apr
KLM Logo
09:45 - 20:15
CWL
-
SYD
49h 30m
3 stops
KLM Logo
22:10 - 16:45
SYD
-
CWL
51h 35m
2 stops
£1,436KLM
Sat, 11 Apr - Sat, 18 Apr
KLM Logo
17:15 - 07:25
CWL
-
SYD
28h 10m
2 stops
KLM Logo
10:10 - 16:45
SYD
-
CWL
39h 35m
3 stops
£1,468KLM
Wed, 1 Apr - Wed, 15 Apr

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets
KLM
24 Mar
CWL17:25Cardiff Wales
26h 10m
2 stops
SYD06:35Sydney Kingsford Smith
28 Apr
SYD09:15Sydney Kingsford Smith
33h 00m
2 stops
CWL09:15Cardiff Wales
£1,362
KLM
24 Mar
CWL17:25Cardiff Wales
28h 10m
3 stops
SYD08:35Sydney Kingsford Smith
28 Apr
SYD09:15Sydney Kingsford Smith
33h 00m
2 stops
CWL09:15Cardiff Wales
£1,371
KLM
11 Apr
CWL09:45Cardiff Wales
49h 30m
3 stops
SYD20:15Sydney Kingsford Smith
18 Apr
SYD22:10Sydney Kingsford Smith
51h 35m
2 stops
CWL16:45Cardiff Wales
£1,436

Singapore Airlines flights from Cardiff to Sydney

Our best Singapore Airlines deals on Cardiff to Sydney flight tickets
Singapore Airlines
14 Aug
CWL17:15Cardiff Wales
38h 30m
2 stops
SYD16:45Sydney Kingsford Smith
28 Aug
SYD18:00Sydney Kingsford Smith
48h 15m
2 stops
CWL09:15Cardiff Wales
£2,114
Singapore Airlines
10 Apr
CWL17:15Cardiff Wales
38h 30m
2 stops
SYD16:45Sydney Kingsford Smith
17 Apr
SYD18:00Sydney Kingsford Smith
48h 15m
2 stops
CWL09:15Cardiff Wales
£2,317

momondo Fare Finder

 
Customise your flight search to find flights from Cardiff to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 27 February 2026.
Use the filters below to find and compare flights from Cardiff to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 10/4

09:45-06:45

2 stops36h 00m

Sydney Kingsford Smith

Fri 17/4

10:20-17:05

2 stops39h 45m

£1,178

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 12/4

21:45-16:50

2 stops34h 05m

Sydney Kingsford Smith

Sun 19/4

15:40-16:45

2 stops34h 05m

£1,189

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 11/4

17:35-06:10

2 stops27h 35m

Sydney Kingsford Smith

Sat 18/4

21:30-21:20

2 stops32h 50m

£1,280

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 12/4

09:50-05:10

3 stops34h 20m

Sydney Kingsford Smith

Sun 19/4

13:05-16:45

2 stops36h 40m

£1,342

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 24/3

17:25-06:35

2 stops26h 10m

Sydney Kingsford Smith

Tue 28/4

09:15-09:15

2 stops33h 00m

£1,362

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Tue 24/3

17:25-08:35

3 stops28h 10m

Sydney Kingsford Smith

Tue 28/4

09:15-09:15

2 stops33h 00m

£1,371

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 1/4

17:15-06:10

2 stops26h 55m

Sydney Kingsford Smith

Wed 15/4

10:20-16:45

2 stops39h 25m

£1,374

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sun 12/4

09:50-05:10

3 stops34h 20m

Sydney Kingsford Smith

Sun 19/4

11:40-16:45

3 stops38h 05m

£1,393

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 11/4

09:45-20:15

3 stops49h 30m

Sydney Kingsford Smith

Sat 18/4

22:10-16:45

2 stops51h 35m

£1,436

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 1/4

17:15-07:25

2 stops28h 10m

Sydney Kingsford Smith

Wed 15/4

10:10-16:45

3 stops39h 35m

£1,468

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Sydney from

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

What is the typical price of a round-trip flight between Cardiff and Sydney?

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from Cardiff to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £1,115. If you don’t want to visit Sydney in April, then you should wait until May to fly from Cardiff, when ticket prices are also cheap, with an average price of £1,158.

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 15m

Direct flights

None
The fastest flight from Cardiff to Sydney takes 27h 15m
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?

    Cardiff Wales and Sydney Kingsford Smith are 10665.5 mi apart from one another. By plane, this route typically takes 27h 15m.

  • 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 refresh daily.

  • How many operators does momondo search for flights from Cardiff Wales Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Cardiff Wales Airport to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Cardiff to Sydney?

Best airlines flying from Cardiff to Sydney

Compare and see reviews for airlines that fly from Cardiff to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Etihad AirwaysPriceFrom £736Free CancellationRating
7.3
1,420 reviews
Search Etihad Airways flights
KLMPriceFrom £1,161Free CancellationRating
7.7
1,460 reviews
Search KLM flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Randwick
Manly
Coogee
Leura
Penrith
Katoomba
Cronulla
Swansea

Why use momondo?

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

Finding the right flight to Sydney from Cardiff is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

Can I find flights from Cardiff to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Cardiff which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cardiff to Sydney?

Once you have performed a search for Cardiff to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.

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