Cheap flights from Dublin to Sydney from £383
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Dublin to Sydney Kingsford Smith are usually found in March or May, booked 81 days in advance, depart on a Wednesday or Monday and return on a Thursday
Cheap flight deals from Dublin to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) 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 9 July 2025.
Round-trip from | £872 |
---|---|
One-way from | £383 |
Popular in | December |
Cheapest in | March |
Average price | £1,427 |
Find flight deals from Dublin to Sydney
Cheapest flights from Dublin to SydneyExplore the most affordable flight options available from Dublin to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 July 2025.
Explore the most affordable flight options available from Dublin to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Dublin 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 9 July 2025.
Use the filters below to find and compare flights from Dublin to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
DublinSydney
DUB - SYD
DUBSYD
Dublin
Tue 2/12
19:50-18:35
1 stop35h 45m
Sydney Kingsford Smith
Tue 20/1
15:00-06:25
2 stops26h 25m
DublinSydney
DUB - SYD
DUBSYD
Dublin
Sat 1/11
18:35-11:50
2 stops30h 15m
Sydney Kingsford Smith
Sat 15/11
15:15-17:45
2 stops37h 30m
DublinSydney
DUB - SYD
DUBSYD
Dublin
Wed 5/11
10:20-06:55
1 stop33h 35m
Sydney Kingsford Smith
Mon 4/5
14:40-09:40
2 stops28h 00m
DublinSydney
DUB - SYD
DUBSYD
Dublin
Tue 9/9
20:25-16:55
1 stop35h 30m
Sydney Kingsford Smith
Tue 30/9
15:40-07:10
1 stop24h 30m
DublinSydney
DUB - SYD
DUBSYD
Dublin
Sun 7/9
09:00-05:55
2 stops35h 55m
Sydney Kingsford Smith
Wed 1/10
14:50-16:55
2 stops35h 05m
DublinSydney
DUB - SYD
DUBSYD
Dublin
Wed 5/11
14:10-06:50
1 stop29h 40m
Sydney Kingsford Smith
Mon 4/5
14:50-13:30
1 stop31h 40m
DublinSydney
DUB - SYD
DUBSYD
Dublin
Wed 31/12
10:40-19:50
2 stops46h 10m
Sydney Kingsford Smith
Sun 18/1
21:45-15:30
2 stops28h 45m
DublinSydney
DUB - SYD
DUBSYD
Dublin
Sat 15/11
23:20-10:45
3 stops48h 25m
DublinSydney
DUB - SYD
DUBSYD
Dublin
Fri 28/11
05:10-07:15
2 stops39h 05m
DublinSydney
DUB - SYD
DUBSYD
Dublin
Tue 16/12
10:40-19:50
2 stops46h 10m
Best time to book a flight from Dublin to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Dublin with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Dublin to Sydney
How far ahead should I book a flight from Dublin to Sydney?
Use this chart to determine the optimal time to book a return flight from Dublin to Sydney. Price data was last updated on 27 June 2025.
Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dublin to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Dublin to Sydney?
Currently, May is the cheapest month in which you can book a flight from Dublin to Sydney (average of £985). Flying from Dublin to Sydney in July is currently the most expensive (average of £1,708). 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 DUB to SYD?
Find hourly flight availability from Dublin 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 9 July 2025.
When flying from Dublin to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 29% versus a flight in the evening.
What is the cheapest day to fly from Dublin to Sydney?
Use this chart to determine the cheapest time to fly return from Dublin to Sydney. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Dublin to Sydney flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from Dublin to Sydney?
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 9 July 2025.
Get a feel of what it's like to fly with Emirates, Finnair, andQantas Airways from Dublin 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.
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
Anonymous,Jun 2025
KTM - DXB
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
Anonymous,Jun 2025
KTM - DXB
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
Anonymous,Jun 2025
KTM - DXB
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
Anonymous,Jun 2025
KTM - DXB
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
Anonymous,Jun 2025
KTM - DXB
Comfort
Food
Overall
Entertainment
Crew
Boarding
Reviews
Anonymous,Jun 2025
KTM - DXB
Related info for your journey
Find useful and relevant information for your journey from Dublin to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.
Top 10 airlines flying from Dublin to Sydney
Discover the top 10 airlines that operate flights from Dublin 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 9 July 2025.
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 Dublin to Sydney?
When you search for this flight from Dublin 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 Dublin to Sydney?
Cheapflights simply makes it quick and affordable to book flights from Dublin to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Dublin to Sydney with no change fees?
Certainly. Search results for flights to Sydney from Dublin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Dublin to Sydney become cheaper?
Of course! You can now track prices for flights from Dublin to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.