Cheap flights from Ireland to Australia from $642

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
29 Dec — 5 Jan1
1 adult
1 adult, Economy, 0 bags

Find 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 29 November 2025.

Tue 2/1210:40DUB - BNE
3 stops57h 20mMultiple Airlines
Tue 27/107:15BNE - DUB
2 stops36h 25mMultiple Airlines
Deal found 27/11$1,505
Tue 9/1216:30DUB - MEL
3 stops50h 10mMultiple Airlines
Sun 7/613:25MEL - DUB
2 stops42h 35mMultiple Airlines
Deal found 29/11$1,759
Tue 2/1214:05DUB - MEL
1 stop28h 40mQatar Airways
Tue 9/1216:10MEL - DUB
1 stop24h 50mQatar Airways
Deal found 27/11$1,765
Tue 9/1206:25DUB - MEL
2 stops27h 30mTurkish Airlines
Thu 28/513:25MEL - DUB
2 stops29h 10mTurkish Airlines
Deal found 27/11$1,774
Tue 9/1206:25DUB - MEL
2 stops27h 30mTurkish Airlines
Sun 7/613:25MEL - DUB
2 stops29h 10mTurkish Airlines
Deal found 27/11$1,791
Tue 9/1216:30DUB - MEL
2 stops26h 10mMultiple Airlines
Thu 28/513:25MEL - DUB
2 stops29h 10mMultiple Airlines
Deal found 29/11$1,797
Mon 1/1216:30DUB - PER
2 stops24h 45mMultiple Airlines
Sat 28/202:25PER - DUB
2 stops44h 55mMultiple Airlines
Deal found 29/11$1,817
Mon 8/1207:45DUB - MEL
1 stop28h 35mQatar Airways
Tue 2/615:45MEL - DUB
1 stop23h 25mQatar Airways
Deal found 29/11$1,826
Mon 8/1216:30DUB - MEL
3 stops50h 10mMultiple Airlines
Wed 24/1207:45MEL - DUB
3 stops66h 45mMultiple Airlines
Deal found 28/11$1,832
Mon 1/1214:05DUB - PER
2 stops30h 25mMultiple Airlines
Mon 15/1217:45PER - DUB
3 stops34h 05mMultiple Airlines
Deal found 27/11$1,860
Sun 30/1109:45DUB - PER
2 stops34h 30mMultiple Airlines
Sat 24/103:35PER - DUB
3 stops34h 50mMultiple Airlines
Deal found 26/11$1,869
Mon 1/1215:30DUB - BNE
2 stops31h 30mMultiple Airlines
Mon 15/1211:10BNE - DUB
2 stops35h 40mMultiple Airlines
Deal found 28/11$1,883

Cheap flight deals from Ireland to Australia

Keep the following information in mind while searching for Ireland to Australia flight deals. Data was last updated 29 November 2025.

Round-trip from

$1,349

One-way from

$642

Popular in

December

Cheapest in

March

Average price

$2,152
Turkish Airlines
  • Turkish Airlines
  • 4/5-23/5
  • 4 total stops
  • 68h 45m total
  • Ireland to Australia
15/3
  • 15/3
  • 3 total stops
  • 52h 45m total
  • Ireland to Australia
Highest demand for flights based on searches. 10% potential increase in price ($396 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($115 potential savings vs. average return price).
Average for round-trip flights in November 2025

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 29 November 2025.
Use the filters below to find and compare flights from Ireland to Australia that are best for you.

Fly from

Ireland

Fly to

Australia

Route

Depart

Return

Price

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Thu 14/5

12:25-11:05

2 stops37h 40m

Brisbane

Mon 18/5

12:35-11:40

2 stops32h 05m

$1,441

ShannonMelbourne

SNN - MEL

SNNMEL

Shannon

Sat 16/5

12:00-05:55

2 stops32h 55m

Melbourne

Wed 20/5

05:55-10:10

2 stops37h 15m

$1,496

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Tue 31/3

10:40-09:30

2 stops37h 50m

Brisbane

Tue 21/4

11:05-09:35

2 stops55h 30m

$1,667

ShannonMelbourne

SNN - MEL

SNNMEL

Shannon

Mon 2/3

20:05-18:55

2 stops35h 50m

Melbourne

Mon 16/3

20:30-16:45

2 stops31h 15m

$1,770

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Sat 7/3

10:40-20:55

2 stops47h 15m

Melbourne

Wed 11/3

22:40-22:10

2 stops34h 30m

$1,791

CorkMelbourne

ORK - MEL

ORKMEL

Cork

Mon 12/1

16:05-10:00

2 stops30h 55m

Melbourne

Mon 19/1

22:30-21:00

2 stops33h 30m

$1,799

DublinPerth

DUB - PER

DUBPER

Dublin

Sun 18/1

06:25-15:55

2 stops25h 30m

Perth

Mon 2/2

10:30-09:40

2 stops31h 10m

$1,808

DublinPerth

DUB - PER

DUBPER

Dublin

Fri 27/3

07:20-01:25

2 stops34h 05m

Perth

Fri 24/4

15:50-15:30

2 stops30h 40m

$1,815

DublinPerth

DUB - PER

DUBPER

Dublin

Tue 3/3

06:25-15:15

2 stops24h 50m

Perth

Wed 8/4

17:20-23:00

2 stops36h 40m

$1,845

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Thu 12/3

16:30-07:20

2 stops51h 50m

Melbourne

Mon 13/4

23:30-23:00

2 stops56h 30m

$1,877

Flights are sorted by cheapest return flights first.

Deals found on 28/11

Showing 1-10 of 60 results
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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

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

Currently, February is the cheapest month in which you can book a flight from Ireland to Australia (average of $908). Flying from Ireland to Australia in July is currently the most expensive (average of $2,034). 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.

What is the cheapest time of day to fly from IE to AU?

Find hourly flight availability from Ireland to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 November 2025.

One of the essential ways to save on airfare from Ireland to Australia is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 29% on airfare.

What is the cheapest day to fly from Ireland to Australia?

Use this chart to determine the cheapest time to fly return from Ireland to Australia. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Ireland to Australia flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 29 November 2025.
Get a feel of what it's like to fly with Emirates, SWISS, 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

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Entertainment

8.2

Comfort

8.0

Crew

8.3

Overall

8.1

Food

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

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 35h 35m. The distance from Ireland to Australia is about 17201 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 ($844), Qatar Airways ($882), and Emirates ($1,184).

  • 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, February is the cheapest month in which you can book a flight from Ireland to Australia (average of $908). Flying from Ireland to Australia in July is currently the most expensive (average of $2,034). 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

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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 29 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,189Average$1,665FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SWISSCheapest$1,456Average$1,536FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest$1,608Average$2,140FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest$1,645Average$2,298FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,743Average$2,707FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest$2,522Average$3,167FlexibilityNo 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 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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