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Cheap flights from Dublin to Sydney from £423

DUB — SYD
23 Sep — 30 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

Mon 9/1109:00 -
1 stop38h 00m
Thu 19/1112:00 -
1 stop29h 15m
Deal found 19/8£562
Mon 12/1010:55 -
3 stops36h 05m
Mon 19/1021:30 -
1 stop44h 30m
Deal found 22/8£658
Wed 28/1009:00 -
3 stops61h 30m
Fri 6/1121:30 -
1 stop44h 00m
Deal found 23/8£679
Mon 9/1109:00 -
1 stop41h 35m
Thu 19/1121:30 -
2 stops36h 25m
Deal found 24/8£711

Find flight deals from Dublin to Sydney

Round-trip from

£562

One-way from

£423

Popular in

December

Cheapest in

May

Average price

£1,064
China Eastern
  • China Eastern
  • 9/11-19/11
  • 2 total stops
  • 67h 15m total
  • Dublin to Sydney
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19/9
  • 19/9
  • 3 total stops
  • 37h 45m total
  • Dublin to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£61 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
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

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Mon 2/11

07:45-06:50

1 stop36h 05m

Sydney Kingsford Smith

Sun 22/11

19:15-12:35

2 stops28h 20m

£973

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Mon 23/11

16:35-20:00

2 stops40h 25m

Sydney Kingsford Smith

Tue 8/12

07:55-09:35

3 stops36h 40m

£980

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Mon 9/11

10:40-20:00

2 stops46h 20m

Sydney Kingsford Smith

Thu 19/11

07:55-09:35

3 stops36h 40m

£996

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Wed 4/11

13:10-22:30

1 stop22h 20m

Sydney Kingsford Smith

Sun 8/11

21:10-18:55

1 stop32h 45m

£1,026

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Mon 19/10

20:35-06:35

1 stop24h 00m

Sydney Kingsford Smith

Sun 8/11

16:50-18:10

1 stop36h 20m

£1,033

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Mon 2/11

08:45-06:55

2 stops35h 10m

Sydney Kingsford Smith

Sun 22/11

16:20-13:35

2 stops32h 15m

£1,038

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Mon 19/10

17:10-20:10

2 stops41h 00m

Sydney Kingsford Smith

Sun 8/11

21:35-15:30

2 stops28h 55m

£1,063

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Mon 19/10

09:00-21:15

2 stops26h 15m

Sydney Kingsford Smith

Sun 8/11

16:50-18:10

1 stop36h 20m

£1,106
Fastest return journey

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Mon 19/10

08:15-22:10

2 stops27h 55m

Sydney Kingsford Smith

Sun 8/11

15:50-06:00

1 stop25h 10m

£1,140
Cheapest one-way
Fastest single journey

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Thu 29/10

19:45-17:45

1 stop35h 00m

£555

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 14 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

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 £923). Flying from Dublin to Sydney in December is currently the most expensive (average of £1,365). 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 £928 and £1,201 in November.
The cheapest return price found within the last 5 days was £562 on China Eastern (9 Nov–19 Nov).

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Emirates,Air France, 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
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Boarding

8.2

Food

7.9

Comfort

8.0

Entertainment

8.2

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
3,656 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Boarding

8.2

Food

7.9

Comfort

8.0

Entertainment

8.2

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.
Air France
7.5
Good
1,647 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Boarding

8.2

Food

7.9

Comfort

8.0

Entertainment

8.2

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
3,734 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Boarding

8.2

Food

7.9

Comfort

8.0

Entertainment

8.2

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
4,481 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Boarding

8.2

Food

7.9

Comfort

8.0

Entertainment

8.2

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
1,511 reviews
Emirates
8.1
Very Good
3,656 reviews
Check prices

Crew

8.4

Overall

8.1

Boarding

8.2

Food

7.9

Comfort

8.0

Entertainment

8.2

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

  • How long is the flight from Dublin to Sydney?

    Qatar Airways, Qantas Airways, and Etihad Airways can get you from Dublin to Sydney in just under 22h 20m. Your travel time can differ by up to 13h 45m. 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 £572 on this airline. Additional options worth looking into are Etihad Airways and Turkish Airlines, starting at £779 and £807 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 £365 on Etihad Airways. Other airlines that offer cheap prices include Qatar Airways from £488 and Emirates from £492 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 £923). Flying from Dublin to Sydney in December is currently the most expensive (average of £1,365). 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

Top 9 airlines flying from Dublin to Sydney

AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£572Average£741FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£779Average£937FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£807Average£922FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest£833Average£1,061FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapest£872Average£1,182FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
British AirwaysCheapest£882Average£1,078FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EmiratesCheapest£931Average£1,221FlexibilityNo cancel feeOn-time75%
Search Emirates flights
United AirlinesCheapest£1,004Average£1,227FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£1,038Average£1,275FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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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