Cheap flights from Ireland to Australia from $639

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
14 déc. — 21 déc.1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Ireland to Australia

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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 14 novembre 2025.

jeu. 27/1111:35DUB - PER
3 stops32h 55mMultiple Airlines
dim. 30/1105:35PER - DUB
3 stops46h 55mMultiple Airlines
Deal found 13/11$1,578
lun. 24/1116:05ORK - MEL
2 stops42h 25mMultiple Airlines
lun. 1/1223:30MEL - ORK
2 stops34h 55mMultiple Airlines
Deal found 11/11$1,596
jeu. 20/1111:35DUB - PER
3 stops32h 55mMultiple Airlines
ven. 5/1218:30PER - DUB
3 stops32h 40mMultiple Airlines
Deal found 13/11$1,645
lun. 24/1116:30DUB - PER
2 stops29h 20mTurkish Airlines
dim. 15/202:25PER - DUB
2 stops27h 45mTurkish Airlines
Deal found 12/11$1,663
ven. 28/1105:45DUB - PER
3 stops38h 45mMultiple Airlines
mar. 2/1208:30PER - DUB
2 stops35h 05mMultiple Airlines
Deal found 12/11$1,680
jeu. 4/1205:55DUB - PER
3 stops38h 20mMultiple Airlines
jeu. 11/1218:30PER - DUB
3 stops35h 45mMultiple Airlines
Deal found 14/11$1,695
ven. 19/1205:45DUB - PER
3 stops38h 30mMultiple Airlines
lun. 26/117:45PER - DUB
2 stops27h 05mMultiple Airlines
Deal found 11/11$1,753
lun. 1/1218:30DUB - SYD
2 stops27h 55mMultiple Airlines
dim. 7/1211:25SYD - DUB
2 stops34h 40mMultiple Airlines
Deal found 12/11$1,756
jeu. 13/1108:10DUB - PER
2 stops29h 35mMultiple Airlines
mer. 26/1117:45PER - DUB
3 stops38h 00mMultiple Airlines
Deal found 12/11$1,764
lun. 8/1212:55DUB - MEL
2 stops34h 05mMultiple Airlines
mar. 2/621:30MEL - DUB
2 stops33h 45mMultiple Airlines
Deal found 13/11$1,773
lun. 1/1216:30DUB - SYD
2 stops39h 50mTurkish Airlines
dim. 7/1221:15SYD - DUB
2 stops29h 05mTurkish Airlines
Deal found 12/11$1,773
mer. 3/1214:05DUB - PER
3 stops30h 25mMultiple Airlines
dim. 14/1218:30PER - DUB
3 stops37h 25mMultiple Airlines
Deal found 12/11$1,779

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 14 novembre 2025.

Round-trip from

$1,495

One-way from

$639

Popular in

December

Cheapest in

March

Average price

$2,146
8/2-28/2
  • 8/2-28/2
  • 5 total stops
  • 87h 30m total
  • Ireland to Australia
17/2
  • 17/2
  • 2 total stops
  • 56h 35m total
  • Ireland to Australia
Highest demand for flights based on searches. 9% potential increase in price ($365 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($110 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 14 novembre 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

DublinPerth

DUB - PER

DUBPER

Dublin

mar. 3/2

10:40-01:25

2 stops54h 45m

Perth

lun. 9/3

02:25-15:20

2 stops44h 55m

$1,500

DublinCairns

DUB - CNS

DUBCNS

Dublin

mer. 4/3

18:35-17:20

2 stops36h 45m

Cairns

dim. 8/3

18:35-12:30

2 stops27h 55m

$1,509

DublinAdelaide

DUB - ADL

DUBADL

Dublin

mer. 25/3

16:50-08:50

2 stops53h 30m

Adelaide

jeu. 21/5

09:50-09:35

2 stops56h 15m

$1,573

CorkMelbourne

ORK - MEL

ORKMEL

Cork

lun. 24/11

17:35-09:45

2 stops29h 10m

Melbourne

lun. 1/12

23:30-23:25

3 stops34h 55m

$1,657

DublinSydney

DUB - SYD

DUBSYD

Dublin

jeu. 5/2

06:25-19:20

2 stops25h 55m

Sydney Kingsford Smith

dim. 15/2

21:15-22:10

2 stops35h 55m

$1,769

DublinSydney

DUB - SYD

DUBSYD

Dublin

mar. 10/2

06:25-19:20

2 stops25h 55m

Sydney Kingsford Smith

sam. 7/3

21:15-15:30

2 stops29h 15m

$1,769

DublinSydney

DUB - SYD

DUBSYD

Dublin

jeu. 5/2

06:25-19:20

2 stops25h 55m

Sydney Kingsford Smith

lun. 16/2

12:45-15:30

2 stops37h 45m

$1,772

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

sam. 9/5

20:25-15:35

1 stop34h 10m

Melbourne

sam. 23/5

17:10-07:10

1 stop23h 00m

$1,805

DublinSydney

DUB - SYD

DUBSYD

Dublin

mar. 3/3

21:20-06:50

1 stop22h 30m

Sydney Kingsford Smith

mar. 17/3

15:50-06:00

1 stop25h 10m

$1,820

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

lun. 9/2

14:05-09:25

2 stops32h 20m

Melbourne

mar. 24/2

23:40-12:35

1 stop23h 55m

$1,828

Flights are sorted by cheapest return flights first.

Deals found on 12/11

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 $903). Flying from Ireland to Australia in July is currently the most expensive (average of $2,030). 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 14 novembre 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 25% 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 14 novembre 2025.
Get a feel of what it's like to fly with Emirates, Qatar Airways, andEtihad 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.

Crew

8.3

Overall

8.1

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Crew

8.3

Overall

8.1

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Crew

8.3

Overall

8.1

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Crew

8.3

Overall

8.1

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Crew

8.3

Overall

8.1

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Food

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

Crew

8.3

Overall

8.1

Entertainment

8.2

Boarding

8.1

Comfort

8.0

Food

7.9

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 34h 10m. The distance from Ireland to Australia is about 17183 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 $903). Flying from Ireland to Australia in July is currently the most expensive (average of $2,030). 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 7 airlines flying from Ireland to Australia

Discover the top 7 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 14 novembre 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,324Average$2,237FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SWISSCheapest$1,452Average$1,533FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest$1,605Average$2,176FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest$1,642Average$2,294FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,773Average$2,713FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapest$1,955Average$3,392FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EmiratesCheapest$2,516Average$3,230FlexibilityNo 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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