Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Cardiff to Sydney from £1,298

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Cardiff to Sydney departing on 30/10. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Cardiff to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:20 - 18:50
CWL
-
SYD
45h 30m
2 stops
Multiple Airlines Logo
21:40 - 17:00
SYD
-
CWL
30h 20m
2 stops
£1,298Multiple Airlines
Fri, 30 Oct - Fri, 20 Nov
KLM Logo
10:20 - 08:10
CWL
-
SYD
34h 50m
3 stops
KLM Logo
10:25 - 09:50
SYD
-
CWL
34h 25m
2 stops
£1,413KLM
Fri, 30 Oct - Fri, 20 Nov
KLM Logo
17:30 - 08:10
CWL
-
SYD
27h 40m
3 stops
KLM Logo
11:45 - 17:00
SYD
-
CWL
40h 15m
3 stops
£1,484KLM
Fri, 30 Oct - Fri, 20 Nov
Multiple Airlines Logo
17:15 - 09:00
CWL
-
SYD
54h 45m
2 stops
Multiple Airlines Logo
07:55 - 09:15
SYD
-
CWL
58h 20m
2 stops
£1,562Multiple Airlines
Wed, 8 Jul - Wed, 15 Jul
Multiple Airlines Logo
17:15 - 09:00
CWL
-
SYD
54h 45m
2 stops
Multiple Airlines Logo
07:55 - 09:15
SYD
-
CWL
58h 20m
2 stops
£1,565Multiple Airlines
Wed, 8 Jul - Wed, 15 Jul
KLM Logo
17:15 - 07:10
CWL
-
SYD
28h 55m
3 stops
KLM Logo
07:55 - 09:15
SYD
-
CWL
58h 20m
2 stops
£1,661KLM
Wed, 8 Jul - Wed, 15 Jul
Multiple Airlines Logo
09:45 - 10:45
CWL
-
SYD
40h 00m
2 stops
Multiple Airlines Logo
07:55 - 16:45
SYD
-
CWL
41h 50m
2 stops
£1,668Multiple Airlines
Wed, 15 Jul - Wed, 22 Jul
Multiple Airlines Logo
17:35 - 12:35
CWL
-
SYD
58h 00m
2 stops
Multiple Airlines Logo
22:10 - 09:15
SYD
-
CWL
44h 05m
2 stops
£1,758Multiple Airlines
Sat, 18 Jul - Sat, 25 Jul
Multiple Airlines Logo
09:45 - 19:25
CWL
-
SYD
48h 40m
2 stops
Multiple Airlines Logo
16:25 - 16:45
SYD
-
CWL
57h 20m
3 stops
£1,772Multiple Airlines
Wed, 15 Jul - Wed, 22 Jul
Multiple Airlines Logo
17:15 - 19:25
CWL
-
SYD
41h 10m
2 stops
Multiple Airlines Logo
16:25 - 16:45
SYD
-
CWL
57h 20m
3 stops
£1,774Multiple Airlines
Wed, 15 Jul - Wed, 22 Jul

KLM flights from Cardiff to Sydney

Our best KLM deals on Cardiff to Sydney flight tickets
KLM
7 Jun
CWL09:50Cardiff Wales
35h 35m
2 stops
SYD06:25Sydney Kingsford Smith
14 Jun
SYD09:15Sydney Kingsford Smith
33h 00m
2 stops
CWL09:15Cardiff Wales
£1,298
KLM
6 Jun
CWL17:35Cardiff Wales
51h 50m
2 stops
SYD06:25Sydney Kingsford Smith
13 Jun
SYD09:15Sydney Kingsford Smith
40h 30m
2 stops
CWL16:45Cardiff Wales
£1,402
KLM
30 Oct
CWL10:20Cardiff Wales
34h 50m
3 stops
SYD08:10Sydney Kingsford Smith
20 Nov
SYD10:25Sydney Kingsford Smith
34h 25m
2 stops
CWL09:50Cardiff Wales
£1,413

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 4 June 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

Cheapest return flight

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 30/10

10:20-18:50

2 stops45h 30m

Sydney Kingsford Smith

Fri 20/11

21:40-17:00

2 stops30h 20m

£1,298

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 30/10

10:20-08:10

3 stops34h 50m

Sydney Kingsford Smith

Fri 20/11

10:25-09:50

2 stops34h 25m

£1,413
Fastest return journey

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Fri 30/10

17:30-08:10

3 stops27h 40m

Sydney Kingsford Smith

Fri 20/11

11:45-17:00

3 stops40h 15m

£1,484

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 8/7

17:15-09:00

2 stops54h 45m

Sydney Kingsford Smith

Wed 15/7

07:55-09:15

2 stops58h 20m

£1,562

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 8/7

17:15-09:00

2 stops54h 45m

Sydney Kingsford Smith

Wed 15/7

07:55-09:15

2 stops58h 20m

£1,565

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 8/7

17:15-07:10

3 stops28h 55m

Sydney Kingsford Smith

Wed 15/7

07:55-09:15

2 stops58h 20m

£1,661

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 15/7

09:45-10:45

2 stops40h 00m

Sydney Kingsford Smith

Wed 22/7

07:55-16:45

2 stops41h 50m

£1,668

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Sat 18/7

17:35-12:35

2 stops58h 00m

Sydney Kingsford Smith

Sat 25/7

22:10-09:15

2 stops44h 05m

£1,758

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 15/7

09:45-19:25

2 stops48h 40m

Sydney Kingsford Smith

Wed 22/7

16:25-16:45

3 stops57h 20m

£1,772

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Wed 15/7

17:15-19:25

2 stops41h 10m

Sydney Kingsford Smith

Wed 22/7

16:25-16:45

3 stops57h 20m

£1,774

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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, May 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 £1,161. If you don’t want to visit Sydney in May, then you should wait until April to fly from Cardiff, when ticket prices are also cheap, with an average price of £1,222.

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

35h 35m

Direct flights

None
The fastest flight from Cardiff to Sydney takes 35h 35m
There are no direct flights from Cardiff to Sydney. There are no popular flight routes from Cardiff to Sydney.
Search flight deals

Frequently asked questions about flying from Cardiff to Sydney

  • 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 35h 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 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 £741Free CancellationRating
7.3
1,445 reviews
Search Etihad Airways flights
KLMPriceFrom £1,182Free CancellationRating
7.8
1,524 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
Coogee
Leura
Randwick
Manly
Katoomba
Penrith
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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 4/7
Sat 11/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia