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Cheap flights from Ireland to Sydney from $619

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
17 Aug — 24 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Sydney
Explore the most affordable flight options available from Ireland to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2026.

Wed 4/1109:00
DUB
-
SYD
1 stop38h 00m
China Eastern
Wed 18/1121:30
SYD
-
DUB
1 stop43h 45m
China Eastern
Deal found 16/7$1,100
Mon 7/910:55
DUB
-
SYD
1 stop40h 40m
China Eastern
Sun 18/1012:00
SYD
-
DUB
1 stop30h 00m
China Eastern
Deal found 17/7$1,130
Fri 25/1209:00
DUB
-
SYD
1 stop41h 35m
China Eastern
Sun 17/112:00
SYD
-
DUB
1 stop29h 15m
China Eastern
Deal found 13/7$1,142
Wed 11/1109:00
DUB
-
SYD
1 stop41h 35m
China Eastern
Sun 15/1112:00
SYD
-
DUB
1 stop29h 15m
China Eastern
Deal found 17/7$1,144
Mon 2/1109:00
DUB
-
SYD
1 stop38h 00m
China Eastern
Sun 15/1112:00
SYD
-
DUB
1 stop29h 15m
China Eastern
Deal found 16/7$1,146
Fri 25/1209:00
DUB
-
SYD
1 stop41h 35m
China Eastern
Sat 16/121:30
SYD
-
DUB
1 stop43h 45m
China Eastern
Deal found 17/7$1,147
Mon 28/1209:00
DUB
-
SYD
1 stop41h 35m
China Eastern
Sun 17/109:20
SYD
-
DUB
1 stop31h 55m
China Eastern
Deal found 13/7$1,199
Mon 28/1209:00
DUB
-
SYD
1 stop41h 35m
China Eastern
Sat 16/121:30
SYD
-
DUB
1 stop43h 45m
China Eastern
Deal found 15/7$1,200
Mon 2/1109:00
DUB
-
SYD
1 stop38h 00m
China Eastern
Thu 19/1112:00
SYD
-
DUB
1 stop29h 15m
China Eastern
Deal found 16/7$1,203
Mon 7/916:50
SNN
-
SYD
2 stops34h 45m
Multiple Airlines
Sun 13/909:45
SYD
-
SNN
2 stops39h 50m
Multiple Airlines
Deal found 15/7$1,793
Fri 13/1120:05
SNN
-
SYD
2 stops50h 30m
British Airways
Tue 17/1108:45
SYD
-
SNN
2 stops45h 40m
British Airways
Deal found 13/7$1,819
Mon 7/916:10
ORK
-
SYD
2 stops29h 35m
Multiple Airlines
Tue 15/914:35
SYD
-
ORK
2 stops29h 10m
Multiple Airlines
Deal found 14/7$1,848

Find flight deals from Ireland to Sydney

Keep the following information in mind while searching for Ireland to Sydney flight deals. Data was last updated 18 July 2026.

Round-trip from

$1,100

One-way from

$619

Popular in

December

Cheapest in

May

Average price

$2,721
China Eastern
  • China Eastern
  • 4/11-18/11
  • 2 total stops
  • 81h 45m total
  • Ireland to Sydney
Search Deals
China Eastern
  • China Eastern
  • 30/11
  • 1 total stop
  • 41h 35m total
  • Ireland to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($295 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($88 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland 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 18 July 2026.
Use the filters below to find and compare flights from Ireland to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 21/10

08:55-13:35

2 stops42h 40m

Sydney Kingsford Smith

Sat 7/11

21:30-06:15

1 stop43h 45m

$1,378

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 19/10

10:55-10:00

1 stop37h 05m

Sydney Kingsford Smith

Sun 8/11

12:00-06:15

1 stop29h 15m

$1,441

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 28/12

09:00-10:00

1 stop38h 00m

Sydney Kingsford Smith

Mon 4/1

09:20-22:15

2 stops47h 55m

$1,706

ShannonSydney

SNN - SYD

SNNSYD

Shannon

Fri 13/11

20:05-09:35

2 stops50h 30m

Sydney Kingsford Smith

Tue 17/11

08:45-19:25

2 stops45h 40m

$1,819

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 23/11

09:00-13:35

1 stop41h 35m

Sydney Kingsford Smith

Mon 14/12

21:30-06:15

1 stop43h 45m

$1,819

ShannonSydney

SNN - SYD

SNNSYD

Shannon

Sat 5/9

16:50-06:25

2 stops28h 35m

Sydney Kingsford Smith

Fri 11/9

14:35-11:20

2 stops29h 45m

$1,875

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 16/9

10:40-19:10

2 stops47h 30m

Sydney Kingsford Smith

Sat 3/10

07:35-09:35

3 stops35h 00m

$1,889

CorkSydney

ORK - SYD

ORKSYD

Cork

Sat 14/11

20:10-20:50

2 stops61h 40m

Sydney Kingsford Smith

Wed 18/11

16:20-15:25

2 stops34h 05m

$1,896

ShannonSydney

SNN - SYD

SNNSYD

Shannon

Thu 12/11

07:50-07:55

2 stops37h 05m

Sydney Kingsford Smith

Mon 16/11

11:05-19:25

2 stops43h 20m

$1,896

CorkSydney

ORK - SYD

ORKSYD

Cork

Thu 12/11

07:40-07:55

2 stops37h 15m

Sydney Kingsford Smith

Mon 16/11

11:05-21:00

2 stops44h 55m

$1,898

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from Ireland to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Ireland 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 Ireland to Sydney

What is the cheapest month to book a flight from Ireland to Sydney?

Currently, May is the cheapest month in which you can book a flight from Ireland to Sydney (average of $1,757). Flying from Ireland to Sydney in December is currently the most expensive (average of $2,769). 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 far ahead should I book a flight from Ireland to Sydney?

The best time to book flights from Ireland to Sydney is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 18 July 2026.
Read through reviews of airlines operating flights from Ireland to Sydney, such as Qatar Airways and Etihad Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.3
Good
3,745 reviews
Check prices

Food

7.3

Entertainment

7.3

Comfort

7.3

Crew

7.9

Boarding

7.5

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2023

DOH - HYD

Very bad flight and seats were torn.I would not expect qatar to partner with such a poor quality airline for 2nd leg of journey.food and service was worst as well
Qatar Airways
7.3
Good
3,745 reviews
Qatar Airways
7.3
Good
3,745 reviews
Check prices

Food

7.3

Entertainment

7.3

Comfort

7.3

Crew

7.9

Boarding

7.5

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2023

DOH - HYD

Very bad flight and seats were torn.I would not expect qatar to partner with such a poor quality airline for 2nd leg of journey.food and service was worst as well
Etihad Airways
7.3
Good
1,479 reviews
Qatar Airways
7.3
Good
3,745 reviews
Check prices

Food

7.3

Entertainment

7.3

Comfort

7.3

Crew

7.9

Boarding

7.5

Overall

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,July 2023

DOH - HYD

Very bad flight and seats were torn.I would not expect qatar to partner with such a poor quality airline for 2nd leg of journey.food and service was worst as well

Related info for your journey

Find useful and relevant information for your journey from Ireland to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Ireland?

    If you book a flight to Sydney from Ireland, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney.

  • How long is the flight from Ireland to Sydney?

    A quick flight from Ireland to Sydney can take about 33h 30m. China Eastern provides one of the quickest options available for as low as $2,363. There are 17386 km between Ireland and Sydney. Both multi-stop and direct flights can be found to your destination and back.

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

    $621 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on Etihad Airways and Virgin Australia, with prices starting from $766 and $923, respectively.

  • What are the most popular routes from Ireland to Sydney?

    The most popular route from Ireland to Sydney is Dublin - Sydney Kingsford Smith. You may also consider Cork - Sydney Kingsford Smith or Shannon - Sydney Kingsford Smith.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Ireland to Sydney (average of $1,757). Flying from Ireland to Sydney in December is currently the most expensive (average of $2,769). 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
Katoomba
Manly
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Ireland to Sydney

Discover the top 2 airlines that operate flights from Ireland 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 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,585Average$1,858FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,668Average$1,908FlexibilityNo 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 Ireland to Sydney?

Cheapflights helps you search for flights from Ireland to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Sydney?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sydney from Ireland.

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

Yes, we can. To see specific flights from Ireland 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 Ireland to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Ireland to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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