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Cheap flights from Dublin to Sydney from £336

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Sydney

Enter your travel dates to find the best prices.

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 4 August 2026.

Wed 30/1209:00
DUB
-
SYD
1 stop35h 20m
China Eastern
Tue 5/109:20
SYD
-
DUB
1 stop31h 55m
China Eastern
Deal found 3/8£781
Wed 2/910:55
DUB
-
SYD
1 stop40h 40m
China Eastern
Wed 9/911:00
SYD
-
DUB
2 stops54h 20m
China Eastern
Deal found 3/8£799
Wed 30/1209:00
DUB
-
SYD
1 stop38h 00m
China Eastern
Sun 3/109:20
SYD
-
DUB
1 stop31h 55m
China Eastern
Deal found 3/8£840
Mon 28/1209:00
DUB
-
SYD
1 stop35h 20m
China Eastern
Sat 30/112:00
SYD
-
DUB
2 stops45h 55m
China Eastern
Deal found 3/8£855
Wed 30/910:55
DUB
-
SYD
3 stops36h 05m
China Eastern
Sat 24/1012:00
SYD
-
DUB
2 stops37h 10m
China Eastern
Deal found 3/8£862
Mon 28/1209:00
DUB
-
SYD
1 stop38h 00m
China Eastern
Fri 29/109:20
SYD
-
DUB
2 stops47h 55m
China Eastern
Deal found 3/8£864
Fri 25/1208:50
DUB
-
SYD
2 stops35h 30m
China Eastern
Thu 7/109:20
SYD
-
DUB
1 stop31h 55m
China Eastern
Deal found 3/8£871
Tue 25/808:55
DUB
-
SYD
2 stops39h 05m
China Eastern
Wed 16/920:30
SYD
-
DUB
1 stop44h 30m
China Eastern
Deal found 1/8£873
Sat 3/1005:55
DUB
-
SYD
2 stops45h 40m
China Eastern
Sun 18/1012:00
SYD
-
DUB
1 stop30h 00m
China Eastern
Deal found 3/8£874
Thu 27/816:20
DUB
-
SYD
2 stops31h 40m
China Eastern
Wed 16/920:30
SYD
-
DUB
1 stop44h 30m
China Eastern
Deal found 1/8£875
Tue 22/916:20
DUB
-
SYD
2 stops54h 40m
China Eastern
Sun 11/1012:00
SYD
-
DUB
1 stop30h 00m
China Eastern
Deal found 2/8£876
Mon 28/1213:25
DUB
-
SYD
2 stops37h 10m
China Eastern
Wed 27/111:10
SYD
-
DUB
3 stops54h 05m
China Eastern
Deal found 3/8£876

Find 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 4 August 2026.

Round-trip from

£781

One-way from

£336

Popular in

December

Cheapest in

May

Average price

£1,075
China Eastern
  • China Eastern
  • 30/12-5/1
  • 2 total stops
  • 67h 15m total
  • Dublin to Sydney
Search Deals
China Eastern
  • China Eastern
  • 2/9
  • 1 total stop
  • 40h 40m total
  • Dublin to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 4 August 2026.
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

Cheapest return flight
Fastest return journey

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 6/12

08:05-17:45

1 stop22h 40m

Sydney Kingsford Smith

Mon 21/12

16:50-06:30

1 stop24h 40m

£879

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 4/12

08:50-10:00

2 stops38h 10m

Sydney Kingsford Smith

Sun 20/12

09:20-06:15

1 stop31h 55m

£986

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 2/12

13:25-13:35

2 stops37h 10m

Sydney Kingsford Smith

Sun 20/12

09:20-06:15

1 stop31h 55m

£1,015

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 10/1

06:10-06:30

3 stops37h 20m

Sydney Kingsford Smith

Tue 26/1

07:55-09:35

3 stops36h 40m

£1,053

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 7/12

12:05-06:50

2 stops31h 45m

Sydney Kingsford Smith

Sun 20/12

21:10-12:35

1 stop26h 25m

£1,080

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 2/12

10:40-11:50

2 stops38h 10m

Sydney Kingsford Smith

Sun 20/12

21:30-15:30

2 stops29h 00m

£1,097

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 3/12

06:10-21:55

2 stops28h 45m

Sydney Kingsford Smith

Sun 20/12

21:30-15:30

2 stops29h 00m

£1,099

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 30/10

17:15-08:10

3 stops27h 55m

Sydney Kingsford Smith

Mon 9/11

12:45-08:05

3 stops30h 20m

£1,134

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 24/9

20:35-16:50

1 stop35h 15m

Sydney Kingsford Smith

Thu 8/10

12:40-19:05

2 stops40h 25m

£1,205

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 14/8

20:35-06:10

1 stop24h 35m

Sydney Kingsford Smith

Fri 21/8

15:40-19:05

1 stop36h 25m

£1,253

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

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 £912). Flying from Dublin to Sydney in December is currently the most expensive (average of £1,421). 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.

How much does it cost for a return flight from Dublin to Sydney?

Airfare is below average for this route at the moment.

Dublin to Sydney flights typically cost between £935 and £1,250 in December.
The cheapest return price found within the last 5 days was £781 on China Eastern (30 Dec–5 Jan).

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 4 August 2026.
Get a feel of what it's like to fly with Emirates,Qatar Airways, andTurkish Airlines 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
3,641 reviews
Check prices

Comfort

8.0

Crew

8.4

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
Emirates
8.1
Very Good
3,641 reviews
Emirates
8.1
Very Good
3,641 reviews
Check prices

Comfort

8.0

Crew

8.4

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
Qatar Airways
7.4
Good
3,736 reviews
Emirates
8.1
Very Good
3,641 reviews
Check prices

Comfort

8.0

Crew

8.4

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
Turkish Airlines
7.4
Good
4,464 reviews
Emirates
8.1
Very Good
3,641 reviews
Check prices

Comfort

8.0

Crew

8.4

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
Etihad Airways
7.3
Good
1,498 reviews
Emirates
8.1
Very Good
3,641 reviews
Check prices

Comfort

8.0

Crew

8.4

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
British Airways
6.7
Okay
8,148 reviews
Emirates
8.1
Very Good
3,641 reviews
Check prices

Comfort

8.0

Crew

8.4

Entertainment

8.2

Overall

8.1

Boarding

8.1

Food

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.

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.

  • How long is the flight from Dublin to Sydney?

    Etihad Airways, China Eastern, and Qatar Airways can get you from Dublin to Sydney in just under 22h 40m. Your travel time can differ by up to 15h 30m. There are 10688 mi between Dublin and Sydney. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Dublin to Sydney round-trip?

    Our cheapest airline available from Dublin to Sydney is China Eastern. Our recent data shows that you can find tickets from as low as £580 on this airline. Additional options worth looking into are Lufthansa and SWISS, starting at £675 and £700 round-trip. China Eastern is currently priced 46% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Dublin to Sydney one-way?

    One-way options have recently been found by users for as low as £370 on Etihad Airways. Other airlines that offer cheap prices include Qatar Airways from £495 and Emirates from £499 one-way.

  • 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 £912). Flying from Dublin to Sydney in December is currently the most expensive (average of £1,421). 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
Wollongong
Parramatta
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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£580Average£882FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
LufthansaCheapest£675Average£934FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£700Average£833FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Etihad AirwaysCheapest£790Average£942FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£819Average£935FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest£845Average£1,077FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest£846Average£1,018FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qantas AirwaysCheapest£884Average£1,207FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EmiratesCheapest£945Average£1,263FlexibilityNo cancel feeOn-time75%
Search Emirates flights
United AirlinesCheapest£1,019Average£1,244FlexibilityNo 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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