Cheap flights from Ireland to Australia 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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
9 Jun — 16 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Australia
Explore the most affordable flight options available from Ireland to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 May 2026.

Wed 3/620:35
DUB
-
MEL
1 stop34h 15m
Etihad Airways
Tue 16/617:20
MEL
-
DUB
1 stop34h 45m
Etihad Airways
Deal found 8/5$1,245
Tue 9/609:00
DUB
-
MEL
1 stop21h 50m
Etihad Airways
Tue 16/617:20
MEL
-
DUB
1 stop22h 55m
Etihad Airways
Deal found 8/5$1,265
Sun 10/509:00
DUB
-
MEL
1 stop21h 50m
Etihad Airways
Fri 22/517:20
MEL
-
DUB
1 stop34h 45m
Etihad Airways
Deal found 8/5$1,322
Sat 9/509:00
DUB
-
MEL
1 stop21h 50m
Etihad Airways
Fri 22/517:20
MEL
-
DUB
1 stop34h 45m
Etihad Airways
Deal found 8/5$1,327
Fri 8/520:35
DUB
-
MEL
1 stop34h 15m
Etihad Airways
Fri 22/517:20
MEL
-
DUB
1 stop34h 45m
Etihad Airways
Deal found 7/5$1,332
Tue 1/910:40
DUB
-
BNE
3 stops58h 10m
Turkish Airlines
Tue 29/907:15
BNE
-
DUB
3 stops48h 50m
Turkish Airlines
Deal found 8/5$1,338
Tue 29/910:40
DUB
-
ADL
2 stops59h 50m
Turkish Airlines
Thu 15/1010:45
ADL
-
DUB
2 stops45h 50m
Turkish Airlines
Deal found 6/5$1,339
Mon 8/620:35
DUB
-
MEL
1 stop34h 15m
Etihad Airways
Tue 23/617:20
MEL
-
DUB
1 stop34h 45m
Etihad Airways
Deal found 7/5$1,347
Fri 20/1115:25
DUB
-
ADL
2 stops30h 15m
Turkish Airlines
Fri 29/111:00
ADL
-
DUB
2 stops38h 50m
Turkish Airlines
Deal found 8/5$1,365
Wed 13/520:35
DUB
-
MEL
1 stop34h 15m
Etihad Airways
Sun 17/517:20
MEL
-
DUB
1 stop22h 55m
Etihad Airways
Deal found 7/5$1,368
Fri 25/905:35
DUB
-
BNE
3 stops39h 15m
Turkish Airlines
Fri 23/1007:15
BNE
-
DUB
3 stops35h 20m
Turkish Airlines
Deal found 7/5$1,379
Fri 22/520:35
DUB
-
MEL
1 stop34h 15m
Etihad Airways
Sun 7/617:20
MEL
-
DUB
1 stop34h 45m
Etihad Airways
Deal found 9/5$1,416

Find flight deals from Ireland to Australia

Keep the following information in mind while searching for Ireland to Australia flight deals. Data was last updated 10 May 2026.

Round-trip from

$1,245

One-way from

$618

Popular in

July

Cheapest in

May

Average price

$1,755
Etihad Airways
  • Etihad Airways
  • 3/6-16/6
  • 2 total stops
  • 69h 00m total
  • Ireland to Australia
Etihad Airways
  • Etihad Airways
  • 18/5
  • 1 total stop
  • 34h 15m total
  • Ireland to Australia
Highest demand for flights based on searches. 8% potential increase in price ($257 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($80 potential savings vs. average return price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Thu 17/9

17:05-07:00

2 stops28h 55m

Brisbane

Wed 30/9

07:15-09:35

3 stops59h 20m

$1,649

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Mon 25/5

08:15-17:15

1 stop24h 00m

Melbourne

Wed 10/6

22:45-07:55

1 stop42h 10m

$1,809

CorkSydney

ORK - SYD

ORKSYD

Cork

Thu 4/6

07:10-06:05

2 stops37h 55m

Sydney Kingsford Smith

Mon 8/6

14:35-19:50

2 stops38h 15m

$1,816

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Mon 2/11

16:30-05:40

3 stops50h 10m

Melbourne

Fri 20/11

22:55-09:40

2 stops45h 45m

$1,831

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Wed 8/7

08:15-16:50

1 stop23h 35m

Melbourne

Fri 17/7

22:45-20:15

1 stop30h 30m

$1,846

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 21/5

08:15-17:30

1 stop24h 15m

Sydney Kingsford Smith

Mon 25/5

20:45-08:00

1 stop44h 15m

$1,848

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 30/9

17:05-09:35

2 stops55h 30m

Sydney Kingsford Smith

Sat 24/10

11:00-10:40

2 stops33h 40m

$1,849

CorkMelbourne

ORK - MEL

ORKMEL

Cork

Tue 9/6

16:10-08:50

2 stops31h 40m

Melbourne

Tue 16/6

10:00-10:45

3 stops33h 45m

$1,849

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 15/10

13:25-10:00

2 stops34h 35m

Sydney Kingsford Smith

Thu 5/11

12:00-22:10

2 stops45h 10m

$1,857

ShannonSydney

SNN - SYD

SNNSYD

Shannon

Sat 13/6

07:30-06:45

2 stops38h 15m

Sydney Kingsford Smith

Wed 17/6

14:35-11:20

2 stops29h 45m

$1,859

Flights are sorted by cheapest return flights first.

Deals found on 8/5

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ireland to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

How far ahead should I book a flight from Ireland to Australia?

The price you pay for your flight from Ireland to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 32 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 Ireland to Australia?

Currently, August is the cheapest month in which you can book a flight from Ireland to Australia (average of $696). Flying from Ireland to Australia in September is currently the most expensive (average of $5,126). 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.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 10 May 2026.
Get a feel of what it's like to fly with SWISS,Qantas Airways, andQatar Airways from Ireland to Australia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

6.8

Boarding

7.7

Crew

8.3

Overall

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.

Entertainment

6.8

Boarding

7.7

Crew

8.3

Overall

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.

Entertainment

6.8

Boarding

7.7

Crew

8.3

Overall

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.

Entertainment

6.8

Boarding

7.7

Crew

8.3

Overall

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.

Entertainment

6.8

Boarding

7.7

Crew

8.3

Overall

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.

Entertainment

6.8

Boarding

7.7

Crew

8.3

Overall

7.6

Comfort

7.4

Food

7.1

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Australia. 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 Ireland to Australia?

    Departing from Ireland to Australia will take you 24h. The distance from Ireland to Australia is about 17183 km. Both multi-stop and direct flights can be found to your destination and back.

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

    The cheapet airlines for a one-way flight from Ireland to Australia are Etihad Airways ($719), Virgin Australia ($889), and Emirates ($906).

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ireland to Australia (average of $696). Flying from Ireland to Australia in September is currently the most expensive (average of $5,126). 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

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 6 airlines flying from Ireland to Australia

Discover the top 6 airlines that operate flights from Ireland to Australia. 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 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,072Average$2,277FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SWISSCheapest$1,264Average$1,384FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Etihad AirwaysCheapest$1,348Average$1,721FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,550Average$2,444FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest$1,709Average$2,998FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest$1,885Average$2,211FlexibilityNo cancel feeOn-time74%
Search Qantas 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 Australia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ireland to Australia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ireland to Australia.

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

Yes! Cheapflights helps users easily find flights from Ireland to Australia with no change fees.

Can Cheapflights notify me if prices for flights from Ireland to Australia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Australia from Ireland today and book when prices fit your budget.

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