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Cheap flights from Ireland to Australia from $629

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
7 Dec — 14 Dec1
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 7 November 2025.

Mon 10/1105:45DUB - PER
3 stops38h 30mMultiple Airlines
Sun 23/1105:35PER - DUB
2 stops32h 50mMultiple Airlines
Deal found 6/11$1,530
Sat 6/1208:10DUB - PER
2 stops36h 20mMultiple Airlines
Sat 17/120:40PER - DUB
2 stops29h 35mMultiple Airlines
Deal found 6/11$1,571
Fri 21/1114:05DUB - PER
3 stops30h 25mMultiple Airlines
Tue 25/1105:35PER - DUB
2 stops32h 50mMultiple Airlines
Deal found 4/11$1,574
Thu 4/1205:55DUB - PER
3 stops38h 20mMultiple Airlines
Thu 11/1218:30PER - DUB
3 stops35h 45mMultiple Airlines
Deal found 6/11$1,657
Sun 23/1108:10DUB - PER
3 stops29h 35mMultiple Airlines
Thu 27/1107:25PER - DUB
3 stops31h 00mMultiple Airlines
Deal found 7/11$1,670
Tue 30/1212:55DUB - PER
2 stops36h 15mMultiple Airlines
Sun 25/113:05PER - DUB
3 stops31h 25mMultiple Airlines
Deal found 6/11$1,674
Sun 9/1119:50DUB - PER
2 stops24h 40mMultiple Airlines
Sat 22/1107:35PER - DUB
3 stops34h 10mMultiple Airlines
Deal found 7/11$1,753
Mon 24/1116:30DUB - PER
2 stops23h 25mMultiple Airlines
Mon 16/210:30PER - DUB
2 stops31h 10mMultiple Airlines
Deal found 6/11$1,760
Tue 2/1219:50DUB - SYD
1 stop35h 05mEtihad Airways
Tue 20/121:45SYD - DUB
1 stop43h 40mEtihad Airways
Deal found 5/11$1,777
Tue 2/1219:50DUB - SYD
1 stop35h 05mEtihad Airways
Tue 9/1221:30SYD - DUB
1 stop43h 55mEtihad Airways
Deal found 5/11$1,785
Mon 10/1105:55DUB - MEL
3 stops38h 30mMultiple Airlines
Mon 24/1122:40MEL - DUB
3 stops35h 25mMultiple Airlines
Deal found 7/11$1,790
Sun 28/1216:15DUB - SYD
3 stops34h 20mMultiple Airlines
Thu 15/122:00SYD - DUB
3 stops35h 15mMultiple Airlines
Deal found 6/11$1,790

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 7 November 2025.

Round-trip from

$1,123

One-way from

$629

Popular in

December

Cheapest in

March

Average price

$2,230
Turkish Airlines
  • Turkish Airlines
  • 15/4-4/6
  • 4 total stops
  • 68h 05m total
  • Ireland to Australia
Search Deals
1/3
  • 1/3
  • 3 total stops
  • 40h 35m total
  • Ireland to Australia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($435 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($119 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 7 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

DublinAdelaide

DUB - ADL

DUBADL

Dublin

Wed 15/4

17:05-07:00

2 stops29h 25m

Adelaide

Thu 4/6

09:50-16:00

2 stops38h 40m

$1,123

DublinAdelaide

DUB - ADL

DUBADL

Dublin

Wed 8/4

10:40-07:00

2 stops35h 50m

Adelaide

Wed 3/6

09:10-09:35

2 stops32h 55m

$1,407

DublinCairns

DUB - CNS

DUBCNS

Dublin

Wed 4/3

18:35-17:20

2 stops36h 45m

Cairns

Sun 8/3

18:35-17:45

2 stops33h 10m

$1,513

DublinPerth

DUB - PER

DUBPER

Dublin

Tue 10/3

06:25-15:15

2 stops24h 50m

Perth

Tue 31/3

07:35-09:35

2 stops33h 00m

$1,523

DublinAdelaide

DUB - ADL

DUBADL

Dublin

Thu 16/4

10:40-07:00

2 stops35h 50m

Adelaide

Thu 28/5

09:50-09:35

2 stops56h 15m

$1,745

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 5/2

06:25-19:20

2 stops25h 55m

Sydney Kingsford Smith

Thu 26/2

12:00-15:30

2 stops38h 30m

$1,779

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 8/4

10:40-19:15

2 stops47h 35m

Sydney Kingsford Smith

Tue 28/4

21:10-16:00

2 stops27h 50m

$1,782

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 3/3

19:50-17:55

1 stop35h 05m

Sydney Kingsford Smith

Tue 31/3

16:40-18:55

1 stop36h 15m

$1,785

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 5/2

08:10-17:55

1 stop22h 45m

Sydney Kingsford Smith

Thu 19/3

21:45-18:15

1 stop31h 30m

$1,785

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 8/3

06:25-19:20

2 stops25h 55m

Sydney Kingsford Smith

Tue 17/3

12:45-09:40

2 stops31h 55m

$1,816

Flights are sorted by cheapest return flights first.

Deals found on 5/11

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 $913). Flying from Ireland to Australia in July is currently the most expensive (average of $2,056). 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 7 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 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 7 November 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.
Emirates
8.1
Very Good
3,402 reviews
Check prices

Entertainment

8.2

Food

7.9

Boarding

8.1

Overall

8.1

Crew

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Emirates
8.1
Very Good
3,402 reviews
Emirates
8.1
Very Good
3,402 reviews
Check prices

Entertainment

8.2

Food

7.9

Boarding

8.1

Overall

8.1

Crew

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Qatar Airways
7.4
Good
3,661 reviews
Emirates
8.1
Very Good
3,402 reviews
Check prices

Entertainment

8.2

Food

7.9

Boarding

8.1

Overall

8.1

Crew

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Etihad Airways
7.4
Good
1,287 reviews
Emirates
8.1
Very Good
3,402 reviews
Check prices

Entertainment

8.2

Food

7.9

Boarding

8.1

Overall

8.1

Crew

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Air France
7.4
Good
1,486 reviews
Emirates
8.1
Very Good
3,402 reviews
Check prices

Entertainment

8.2

Food

7.9

Boarding

8.1

Overall

8.1

Crew

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Turkish Airlines
7.3
Good
4,034 reviews
Emirates
8.1
Very Good
3,402 reviews
Check prices

Entertainment

8.2

Food

7.9

Boarding

8.1

Overall

8.1

Crew

8.3

Comfort

8.0

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 29h 25m. The distance from Ireland to Australia is about 16579 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 $913). Flying from Ireland to Australia in July is currently the most expensive (average of $2,056). 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.

Alternative routes for Ireland to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$1,335Average$2,255FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SWISSCheapest$1,465Average$1,546FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest$1,618Average$2,194FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest$1,655Average$2,313FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,788Average$2,736FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapest$1,971Average$3,421FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EmiratesCheapest$2,538Average$3,257FlexibilityNo 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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