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Cheap flights from Cardiff to Sydney from £1,077
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — SYD
20 Aug — 27 Aug1
Return
1 adult
Economy
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 15 August 2025.
Find flight deals from Cardiff to Sydney
Cheapest flights from Cardiff to SydneyExplore 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 15 August 2025.
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 15 August 2025.
Mon 29/913:10CWL - SYD
3 stops33h 40mMultiple Airlines
Mon 6/1016:40SYD - CWL
2 stops33h 15mMultiple Airlines
Deal found 15/8£1,077
Mon 10/1110:20CWL - SYD
2 stops33h 15mMultiple Airlines
Mon 1/1211:30SYD - CWL
2 stops33h 20mMultiple Airlines
Deal found 15/8£1,123
Sat 27/917:35CWL - SYD
2 stops26h 35mMultiple Airlines
Sat 4/1009:50SYD - CWL
2 stops56h 25mMultiple Airlines
Deal found 13/8£1,311
Mon 29/917:15CWL - SYD
2 stops26h 55mAir France
Mon 6/1015:50SYD - CWL
2 stops34h 55mAir France
Deal found 15/8£1,446
Mon 10/1110:20CWL - SYD
2 stops34h 15mKLM
Mon 1/1211:30SYD - CWL
2 stops33h 20mKLM
Deal found 15/8£1,494
Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 15 August 2025.
Use the filters below to find and compare flights from Cardiff to Sydney that are best for you.
Fly from
Cardiff
Fly to
Sydney
Route
Depart
Return
Price
CardiffSydney
CWL - SYD
CWLSYD
Cardiff Wales
Mon 29/9
13:10-07:50
3 stops33h 40m
Sydney Kingsford Smith
Mon 6/10
16:40-15:55
2 stops33h 15m
£1,077
CardiffSydney
CWL - SYD
CWLSYD
Cardiff Wales
Mon 10/11
10:20-06:35
2 stops33h 15m
Sydney Kingsford Smith
Mon 1/12
11:30-09:50
2 stops33h 20m
£1,123
CardiffSydney
CWL - SYD
CWLSYD
Cardiff Wales
Sat 27/9
17:35-05:10
2 stops26h 35m
Sydney Kingsford Smith
Sat 4/10
09:50-09:15
2 stops56h 25m
£1,311
CardiffSydney
CWL - SYD
CWLSYD
Cardiff Wales
Mon 29/9
17:15-05:10
2 stops26h 55m
Sydney Kingsford Smith
Mon 6/10
15:50-16:45
2 stops34h 55m
£1,446
CardiffSydney
CWL - SYD
CWLSYD
Cardiff Wales
Mon 10/11
10:20-07:35
2 stops34h 15m
Sydney Kingsford Smith
Mon 1/12
11:30-09:50
2 stops33h 20m
£1,494
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.
Cheapflights Insights
Everything you need to know about your flight from Cardiff to Sydney
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 £1,723). 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 15 August 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.
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 15 August 2025.
Get a feel of what it's like to fly with KLM, Etihad Airways, andAir France from Cardiff to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.8
Overall
7.8
Entertainment
7.1
Comfort
7.7
Crew
8.4
Food
7.3
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2025
AMS - BOS
Boarding
7.8
Overall
7.8
Entertainment
7.1
Comfort
7.7
Crew
8.4
Food
7.3
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2025
AMS - BOS
Boarding
7.8
Overall
7.8
Entertainment
7.1
Comfort
7.7
Crew
8.4
Food
7.3
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2025
AMS - BOS
Boarding
7.8
Overall
7.8
Entertainment
7.1
Comfort
7.7
Crew
8.4
Food
7.3
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2025
AMS - BOS
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.
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsBondi 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.
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 15 August 2025.
Fly with Cheapflights
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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.