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Cheap flights from Dublin to Sydney from $640

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
11 Mar — 18 Mar1
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 9 February 2026.

Sun 8/306:15
DUB
-
SYD
2 stops27h 35m
Multiple Airlines
Sun 15/322:20
SYD
-
DUB
2 stops30h 25m
Multiple Airlines
Deal found 6/2$1,668
Mon 9/316:20
DUB
-
SYD
2 stops31h 05m
Multiple Airlines
Mon 16/321:15
SYD
-
DUB
3 stops34h 55m
Multiple Airlines
Deal found 7/2$1,673
Sat 14/316:30
DUB
-
SYD
2 stops34h 05m
Multiple Airlines
Sat 21/321:30
SYD
-
DUB
2 stops33h 55m
Multiple Airlines
Deal found 8/2$1,674
Thu 12/308:05
DUB
-
SYD
1 stop22h 50m
Multiple Airlines
Wed 18/321:30
SYD
-
DUB
2 stops36h 35m
Multiple Airlines
Deal found 7/2$1,676
Mon 23/216:30
DUB
-
SYD
3 stops50h 45m
Multiple Airlines
Mon 9/307:15
SYD
-
DUB
3 stops43h 15m
Multiple Airlines
Deal found 6/2$1,680
Sat 7/308:05
DUB
-
SYD
1 stop35h 30m
Etihad Airways
Thu 12/321:45
SYD
-
DUB
1 stop31h 30m
Etihad Airways
Deal found 8/2$1,681
Wed 28/1013:25
DUB
-
SYD
2 stops37h 10m
China Eastern
Wed 18/1121:30
SYD
-
DUB
2 stops35h 40m
China Eastern
Deal found 8/2$1,683
Wed 7/1006:20
DUB
-
SYD
3 stops38h 45m
Multiple Airlines
Tue 20/1008:05
SYD
-
DUB
3 stops35h 30m
Multiple Airlines
Deal found 8/2$1,684
Fri 15/508:55
DUB
-
SYD
2 stops42h 40m
China Eastern
Wed 10/620:30
SYD
-
DUB
2 stops44h 50m
China Eastern
Deal found 7/2$1,685
Fri 10/410:40
DUB
-
SYD
3 stops58h 25m
Multiple Airlines
Fri 1/521:05
SYD
-
DUB
2 stops35h 00m
Multiple Airlines
Deal found 7/2$1,688
Tue 10/320:50
DUB
-
SYD
1 stop23h 10m
Multiple Airlines
Thu 19/308:55
SYD
-
DUB
2 stops35h 45m
Multiple Airlines
Deal found 7/2$1,691

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 9 February 2026.

Round-trip from

$1,668

One-way from

$640

Popular in

December

Cheapest in

March

Average price

$1,868
8/3-15/3
  • 8/3-15/3
  • 4 total stops
  • 58h 00m total
  • Dublin to Sydney
Search Deals
7/3
  • 7/3
  • 2 total stops
  • 55h 40m total
  • Dublin to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($303 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($81 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 9 February 2026.
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

Mon 23/2

16:30-06:15

3 stops50h 45m

Sydney Kingsford Smith

Mon 9/3

07:15-15:30

3 stops43h 15m

$1,683

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 3/3

06:00-10:00

2 stops41h 00m

Sydney Kingsford Smith

Tue 24/3

21:30-08:05

2 stops45h 35m

$1,721

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 24/2

06:25-06:15

3 stops36h 50m

Sydney Kingsford Smith

Mon 18/5

07:05-09:35

3 stops35h 30m

$1,745

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 16/4

06:20-06:05

3 stops38h 45m

Sydney Kingsford Smith

Sun 17/5

07:05-09:35

3 stops35h 30m

$1,771

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 9/3

08:05-17:55

1 stop22h 50m

Sydney Kingsford Smith

Tue 17/3

16:35-06:25

1 stop24h 50m

$1,794

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 3/3

19:50-17:55

1 stop35h 05m

Sydney Kingsford Smith

Tue 24/3

16:35-06:25

1 stop24h 50m

$1,794

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 19/3

08:05-17:55

1 stop22h 50m

Sydney Kingsford Smith

Fri 3/4

16:40-19:05

1 stop36h 25m

$1,794

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 3/3

19:50-17:55

1 stop35h 05m

Sydney Kingsford Smith

Tue 17/3

16:35-06:25

1 stop24h 50m

$1,797

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 5/5

20:35-16:50

1 stop35h 15m

Sydney Kingsford Smith

Tue 26/5

21:30-19:05

1 stop30h 35m

$1,822

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 10/3

08:25-07:35

2 stops36h 10m

Sydney Kingsford Smith

Wed 18/3

06:00-18:55

1 stop23h 55m

$1,835

Flights are sorted by cheapest return flights first.

Deals found on 8/2

Showing 1-10 of 20 results
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?

Use this chart to determine the optimal time to book a return flight from Dublin to Sydney. Price data was last updated on 6 February 2026.

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 81 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, November is the cheapest month in which you can book a flight from Dublin to Sydney (average of $1,287). Flying from Dublin to Sydney in July is currently the most expensive (average of $2,060). 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?

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 February 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
3,514 reviews
Check prices

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well
Emirates
8.1
Very Good
3,514 reviews
Emirates
8.1
Very Good
3,514 reviews
Check prices

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well
Qatar Airways
7.4
Good
3,730 reviews
Emirates
8.1
Very Good
3,514 reviews
Check prices

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well
Etihad Airways
7.3
Good
1,389 reviews
Emirates
8.1
Very Good
3,514 reviews
Check prices

Overall

8.1

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Namakajjo,Dec 2025

EBB - DXB

Emirates airlines is always good, and I'll always board and travel with Emirates. Everything is going well

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 Etihad Airways fly from Dublin to Sydney in about 22h 50m. The time it takes to get you to your destination can typically vary by up to 18h 10m. 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 $1,581 on this airline. Additional options worth looking into are Emirates and Qatar Airways, starting at $1,766 and $1,847 round-trip. You may be able to fly from Dublin to Sydney for 26% 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 Etihad Airways ($851), Virgin Australia ($919), and Emirates ($936).

  • 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, November is the cheapest month in which you can book a flight from Dublin to Sydney (average of $1,287). Flying from Dublin to Sydney in July is currently the most expensive (average of $2,060). 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
Terrigal
Lithgow
Leura
Coogee
Cronulla
Randwick
Bondi Beach

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.
Cork to Sydney flights
Shannon 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 9 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,581Average$2,093FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EmiratesCheapest$1,766Average$3,098FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qatar AirwaysCheapest$1,847Average$2,603FlexibilityNo cancel feeOn-time68%
Search Qatar Airways 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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