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Cheap flights from Dublin to Sydney from £500

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
18 Aug — 25 Aug1
1 adult

Cheapflights Tip: The best prices from Dublin to Sydney Kingsford Smith are usually found in March or May, booked 68 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 13 August 2025.

Round-trip from

£823

One-way from

£500

Popular in

December

Cheapest in

March

Average price

£1,230
Hainan Airlines
  • Hainan Airlines
  • 28/10-20/11
  • 4 total stops
  • 84h 45m total
  • Dublin to Sydney
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14/9
  • 14/9
  • 2 total stops
  • 63h 40m total
  • Dublin to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£135 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£35 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Dublin to Sydney

Cheapest flights from Dublin to Sydney
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 13 August 2025.

Tue 28/1011:00DUB - SYD
2 stops40h 55mHainan Airlines
Thu 20/1121:00SYD - DUB
2 stops43h 50mHainan Airlines
Deal found 11/8£823
Wed 29/1007:00DUB - SYD
2 stops48h 50mMultiple Airlines
Sat 22/1121:30SYD - DUB
1 stop31h 45mMultiple Airlines
Deal found 11/8£837
Mon 27/1007:20DUB - SYD
2 stops48h 30mMultiple Airlines
Mon 17/1116:35SYD - DUB
1 stop24h 50mMultiple Airlines
Deal found 11/8£840
Wed 10/913:40DUB - SYD
2 stops34h 20mMultiple Airlines
Wed 17/920:30SYD - DUB
2 stops32h 55mMultiple Airlines
Deal found 11/8£846
Wed 10/917:30DUB - SYD
2 stops36h 25mMultiple Airlines
Tue 30/921:30SYD - DUB
1 stop42h 40mMultiple Airlines
Deal found 12/8£851
Sat 1/1115:10DUB - SYD
2 stops28h 45mBritish Airways
Sat 15/1116:20SYD - DUB
2 stops28h 30mBritish Airways
Deal found 12/8£854
Wed 10/915:30DUB - SYD
2 stops28h 50mBritish Airways
Tue 30/914:40SYD - DUB
2 stops28h 10mBritish Airways
Deal found 12/8£857
Wed 29/1017:20DUB - SYD
2 stops26h 55mMultiple Airlines
Wed 19/1115:15SYD - DUB
2 stops31h 50mMultiple Airlines
Deal found 11/8£860
Mon 8/907:25DUB - SYD
2 stops27h 00mMultiple Airlines
Thu 18/910:15SYD - DUB
2 stops33h 05mMultiple Airlines
Deal found 11/8£861
Tue 28/1012:55DUB - SYD
2 stops30h 40mMultiple Airlines
Wed 19/1115:15SYD - DUB
2 stops31h 50mMultiple Airlines
Deal found 11/8£862
Thu 25/915:25DUB - SYD
2 stops28h 55mBritish Airways
Thu 2/1014:40SYD - DUB
2 stops28h 10mBritish Airways
Deal found 11/8£863

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 13 August 2025.
Use the filters below to find and compare flights from Dublin to Sydney that are best for you.

Fly from

Dublin

Fly to

Sydney

Route

Depart

Return

Price

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 10/9

17:30-14:55

2 stops36h 25m

Sydney Kingsford Smith

Tue 30/9

21:30-07:10

1 stop42h 40m

£851

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sat 1/11

15:10-06:55

2 stops28h 45m

Sydney Kingsford Smith

Sat 15/11

16:20-09:50

2 stops28h 30m

£854

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 10/9

15:30-05:20

2 stops28h 50m

Sydney Kingsford Smith

Tue 30/9

14:40-09:50

2 stops28h 10m

£857

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 12/11

08:10-06:35

1 stop35h 25m

Sydney Kingsford Smith

Sun 16/11

16:35-06:25

1 stop24h 50m

£868

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 2/12

07:45-18:50

1 stop24h 05m

Sydney Kingsford Smith

Tue 20/1

15:50-06:00

1 stop25h 10m

£870

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 14/9

09:05-16:55

1 stop22h 50m

Sydney Kingsford Smith

Mon 29/9

15:40-07:10

1 stop24h 30m

£871

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 14/9

09:05-16:55

1 stop22h 50m

Sydney Kingsford Smith

Thu 2/10

21:30-18:55

1 stop30h 25m

£871

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 29/10

17:20-07:15

2 stops26h 55m

Sydney Kingsford Smith

Thu 20/11

15:15-08:40

2 stops28h 25m

£873

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sat 1/11

08:10-06:35

1 stop35h 25m

Sydney Kingsford Smith

Sat 15/11

21:30-18:15

1 stop31h 45m

£880

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 14/9

09:05-16:55

1 stop22h 50m

Sydney Kingsford Smith

Fri 3/10

15:40-07:10

1 stop24h 30m

£884

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 21 results
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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.
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 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 8 August 2025.

Booking 68 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 £1,723). 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 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 13 August 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?

What’s the top stopover airport for flights from Dublin to Sydney?

Share of one-stop return flights from Dublin to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Dubai (DXB) – chosen by Cheapflights users on 47% of one-stop itineraries from Dublin to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from Dublin to Sydney?

Average return fare for one-stop flights from Dublin to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Abu Dhabi (AUH) is the most affordable one-stop option, with an average return flight price of £1,411.

What’s the fastest stopover option from Dublin to Sydney?

Shortest average travel time for one-stop one-way flights from Dublin to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Dubai (DXB) have the shortest average one-way travel time for one-stop routes: 22h 51m.

Which airport typically offers the quickest stopover for flights from Dublin to Sydney?

Average stopover duration for one-stop one-way flights from Dublin to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 1h 36m.

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 13 August 2025.
Get a feel of what it's like to fly with Emirates, SWISS, andQatar 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.
Emirates
8.1
Very Good
3,314 reviews
Check prices

Food

7.9

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
Emirates
8.1
Very Good
3,314 reviews
Emirates
8.1
Very Good
3,314 reviews
Check prices

Food

7.9

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
SWISS
7.6
Good
1,698 reviews
Emirates
8.1
Very Good
3,314 reviews
Check prices

Food

7.9

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
Qatar Airways
7.4
Good
3,608 reviews
Emirates
8.1
Very Good
3,314 reviews
Check prices

Food

7.9

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
Etihad Airways
7.4
Good
1,232 reviews
Emirates
8.1
Very Good
3,314 reviews
Check prices

Food

7.9

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.
British Airways
6.7
Okay
7,265 reviews
Emirates
8.1
Very Good
3,314 reviews
Check prices

Food

7.9

Boarding

8.1

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Reviews

1 / 20
2.0
Mediocre

Hemshika,Jun 2025

DXB - LGW

It was not good. As soon as we entered the plane, 2 girls in front of us bend their seats down completely and startes sleeping within the next 2 minutes. I asked one of the air hostess to ask the girls to make them sit straight because we just entered the plane and we wanted to sit properly put our seat belts etc. The air hostess replied to me in the EK 009 plane that it's her right she can bend it but when we take off, she will have to straighten her seat. She never did because the air hostess never told her. The girls left their seats bent down and I had to intervene to ask them to straighten their seats because we had to eat. The girls kept telling us to please eat fast so they can bend down. What rubbish is this. Pressure to eat for their comfort and our discomfort.

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.

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

    Our cheapest airline available from Dublin to Sydney is Hainan Airlines. Our recent data shows that you can find tickets from as low as £823 on this airline. Hainan Airlines is currently priced 28% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin 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 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 £1,723). 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.

See more FAQs

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

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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 13 August 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£626Average£817FlexibilityNo cancel feeOn-time79%
Search SWISS flights
China EasternCheapest£673Average£1,146FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
LufthansaCheapest£675Average£852FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£707Average£1,011FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest£796Average£1,067FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapest£825Average£1,030FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£842Average£1,227FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£925Average£1,236FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
FinnairCheapest£965Average£1,168FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£971Average£1,026FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 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.

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