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Cheap flights from Dublin to Sydney from $618

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
9 Sep — 16 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 10 August 2026.

Wed 2/910:55 -
1 stop37h 05m
Wed 16/920:30 -
1 stop44h 30m
Deal found 7/8$1,068
Mon 31/810:55 -
1 stop37h 05m
Wed 23/920:30 -
1 stop44h 30m
Deal found 7/8$1,069
Mon 7/910:55 -
1 stop37h 05m
Wed 23/920:30 -
1 stop44h 30m
Deal found 9/8$1,072
Wed 4/1109:00 -
1 stop38h 00m
Wed 11/1121:30 -
1 stop43h 45m
Deal found 8/8$1,085
Wed 11/1109:00 -
1 stop38h 00m
Sun 15/1112:00 -
1 stop29h 15m
Deal found 7/8$1,100
Wed 2/910:55 -
1 stop40h 40m
Tue 15/911:00 -
1 stop30h 00m
Deal found 6/8$1,140
Wed 2/910:55 -
1 stop40h 40m
Tue 8/911:00 -
1 stop30h 00m
Deal found 5/8$1,141
Fri 4/910:55 -
1 stop40h 40m
Tue 8/911:00 -
1 stop30h 00m
Deal found 8/8$1,146

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 10 August 2026.

Round-trip from

$1,068

One-way from

$618

Popular in

July

Cheapest in

May

Average price

$2,052
China Eastern
  • China Eastern
  • 2/9-16/9
  • 2 total stops
  • 81h 35m total
  • Dublin to Sydney
Search Deals
China Eastern
  • China Eastern
  • 18/11
  • 1 total stop
  • 38h 00m total
  • Dublin to Sydney
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($177 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($72 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 647,157 searches. Data last updated 10 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

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Wed 2/9

10:55-08:00

3 stops36h 05m

Sydney Kingsford Smith

Tue 15/9

11:00-22:25

2 stops44h 25m

$1,426

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Wed 21/10

10:55-13:35

1 stop40h 40m

Sydney Kingsford Smith

Sat 7/11

12:00-08:05

2 stops55h 05m

$1,470

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Wed 11/11

16:35-19:25

2 stops39h 50m

Sydney Kingsford Smith

Sun 15/11

21:35-15:30

2 stops28h 55m

$1,800

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Sun 11/10

05:45-07:05

3 stops39h 20m

Sydney Kingsford Smith

Tue 20/10

08:55-16:05

3 stops41h 10m

$1,815

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Thu 1/10

05:45-06:15

2 stops39h 30m

Sydney Kingsford Smith

Wed 3/2

22:15-09:35

2 stops46h 20m

$1,907

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Tue 29/12

13:25-13:35

2 stops37h 10m

Sydney Kingsford Smith

Sat 9/1

21:30-06:15

1 stop43h 45m

$1,932

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Wed 2/9

17:10-19:10

2 stops41h 00m

Sydney Kingsford Smith

Tue 29/9

07:35-09:35

3 stops35h 00m

$1,967
Fastest return journey

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Fri 8/1

07:45-18:20

1 stop23h 35m

Sydney Kingsford Smith

Sun 14/2

22:10-12:35

1 stop25h 25m

$2,109

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Sun 27/12

16:35-07:55

2 stops28h 20m

Sydney Kingsford Smith

Tue 9/2

21:35-15:30

2 stops28h 55m

$2,198

DublinSydney

DUB Dublin - SYD Sydney Kingsford Smith

DUBSYD

Dublin

Wed 7/10

10:40-06:55

2 stops34h 15m

Sydney Kingsford Smith

Sun 25/10

22:15-22:15

2 stops35h 00m

$2,342

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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?

The price you pay for your flight from Dublin to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $1,758). Flying from Dublin to Sydney in July is currently the most expensive (average of $2,604). 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 $1,866 and $2,379 in September.
The cheapest return price found within the last 5 days was $1,068 on China Eastern (2 Sept–16 Sept).

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 10 August 2026.
Read reviews from past customers who have flown with Emirates,Qatar Airways, andEtihad Airways from Dublin to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,649 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

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
3,649 reviews
Emirates
8.1
Very Good
3,649 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

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
3,740 reviews
Emirates
8.1
Very Good
3,649 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

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
1,502 reviews
Emirates
8.1
Very Good
3,649 reviews
Check prices

Crew

8.4

Overall

8.1

Comfort

8.0

Boarding

8.1

Entertainment

8.2

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?

    Airlines like China Eastern and Qatar Airways fly from Dublin to Sydney in about 29h 45m. The time it takes to get you to your destination can typically vary by up to 6h 20m. The distance between Dublin and Sydney is about 17201 km. 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 Etihad Airways. Our recent data shows that you can find tickets from as low as $1,573 on this airline. Additional options worth looking into are Qatar Airways and Emirates, starting at $1,647 and $1,753 round-trip. You may be able to fly from Dublin to Sydney for 23% less than the average price by searching for these airlines.

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

    The cheapet airlines for a one-way flight from Dublin to Sydney are China Eastern ($613), Etihad Airways ($757), and Emirates ($929).

  • 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 $1,758). Flying from Dublin to Sydney in July is currently the most expensive (average of $2,604). 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
Parramatta
Wollongong
Penrith
Manly
Katoomba
Lithgow
Cronulla
Randwick
Terrigal
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Shannon to Sydney flights
Cork to Sydney flights

Top 3 airlines flying from Dublin to Sydney

Discover the top 3 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 647,157 searches. Data last updated 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,569Average$1,823FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,647Average$1,847FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest$1,753Average$2,309FlexibilityNo cancel feeOn-time75%
Search Emirates 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 helps you find that perfect flight to Sydney from Dublin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Dublin to Sydney with no change fees?

Yes, we can. To see specific flights from Dublin to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Dublin to Sydney become cheaper?

Yes! Start tracking prices for Dublin to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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