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Cheap flights from Cardiff to Sydney from £1,750

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Cardiff to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Cardiff (CWL) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2025.

Round-trip from

£1,750

Popular in

January

Cheapest in

June

Average price

£1,499
7/7-11/7
  • 7/7-11/7
  • 4 total stops
  • 82h 45m total
  • Cardiff to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£184 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

Find flight deals from Cardiff to Sydney

Cheapest flights from Cardiff to Sydney
Explore the most affordable flight options available from Cardiff to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Mon 7/717:15CWL - SYD
2 stops27h 55mMultiple Airlines
Fri 11/711:25SYD - CWL
2 stops54h 50mMultiple Airlines
Deal found 20/2£1,750
Sat 27/1217:25CWL - SYD
3 stops27h 45mKLM
Sat 10/111:45SYD - CWL
3 stops33h 05mKLM
Deal found 20/2£1,889

Find flights from Cardiff to Sydney within your budget

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, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.

Fly from

Cardiff

Fly to

Sydney

Route

Depart

Return

Price

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 7/7

17:15-06:10

2 stops27h 55m

Sydney Kingsford Smith

Fri 11/7

11:25-09:15

2 stops54h 50m

£1,750

CardiffSydney

CWL - SYD

CWLSYD

Cardiff Wales

Mon 7/7

17:15-06:20

2 stops28h 05m

Sydney Kingsford Smith

Fri 11/7

10:10-09:15

3 stops32h 05m

£2,036

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Best time to book a flight from Cardiff to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Cardiff with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Cardiff to Sydney

Get recent, data-driven insights about flights from Cardiff to Sydney including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Cardiff to Sydney?

Currently, May is the cheapest month in which you can book a flight from Cardiff to Sydney (average of £985). Flying from Cardiff to Sydney in July is currently the most expensive (average of £1,728). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CWL to SYD?

Find hourly flight availability from Cardiff to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

It’s typically best to fly out from Cardiff to Sydney in the morning. Doing so could potentially save you 17% on the flight price compared to flying at midday, which is usually more expensive.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 21 February 2025.
KLM
7.8
Good
1,331 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,331 reviews
KLM
7.8
Good
1,331 reviews
Check prices

Comfort

7.7

Food

7.3

Entertainment

7.2

Overall

7.8

Crew

8.4

Boarding

7.8

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Cardiff to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What is the cheapest airline to fly from Cardiff to Sydney round-trip?

    Cheapflights users have booked flights from Cardiff to Sydney round-trip from £2,036.

  • Can I find deals for flights from Cardiff to Sydney that include hotel bookings?

    Yes. In addition to deals on Cardiff to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cardiff to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Sydney.

  • Can I find deals for business class flights from Cardiff to Sydney?

    Yes. Cheapflights offers flight deals from Cardiff to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cardiff to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Cardiff to Sydney (average of £985). Flying from Cardiff to Sydney in July is currently the most expensive (average of £1,728). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Bondi Beach
Coogee
Manly

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Alternative routes for Cardiff to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Manchester to Sydney flights
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Top 3 airlines flying from Cardiff to Sydney

Discover the top 3 airlines that operate flights from Cardiff to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest£1,058Average£1,233FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air FranceCheapest£1,073Average£1,249FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£1,279Average£1,773FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cardiff to Sydney?

When you search for this flight from Cardiff to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Cardiff to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Cardiff to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Cardiff to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Cardiff to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Cardiff to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Cardiff today and book when prices fit your budget.

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