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Cheap flights from Ireland to Australia from £358

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
4 May — 11 May1
1 adult

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 April 2025.

Round-trip from

£642

One-way from

£358

Popular in

December

Cheapest in

March

Average price

£1,130
SWISS
  • SWISS
  • 22/9-12/10
  • 4 total stops
  • 75h 10m total
  • Ireland to Australia
Search Deals
20/9
  • 20/9
  • 2 total stops
  • 31h 50m total
  • Ireland to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£131 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Ireland to Australia

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 April 2025.

Wed 5/1112:55DUB - PER
2 stops32h 30mSWISS
Wed 12/1113:50PER - DUB
2 stops36h 00mSWISS
Deal found 28/4£603
Wed 4/613:40DUB - MEL
2 stops34h 20mMultiple Airlines
Wed 11/611:00MEL - DUB
2 stops33h 10mMultiple Airlines
Deal found 27/4£646
Tue 11/1118:00DUB - MEL
2 stops27h 15mLufthansa
Tue 25/1115:35MEL - DUB
2 stops30h 25mLufthansa
Deal found 28/4£683
Mon 17/1118:40DUB - MEL
2 stops39h 45mSWISS
Mon 19/110:35MEL - DUB
2 stops36h 30mSWISS
Deal found 27/4£685
Sun 9/1119:55DUB - MEL
1 stop21h 30mEtihad Airways
Thu 20/1118:15MEL - DUB
1 stop23h 35mEtihad Airways
Deal found 28/4£737
Tue 3/611:35DUB - BNE
3 stops35h 40mMultiple Airlines
Tue 10/607:00BNE - DUB
3 stops47h 15mMultiple Airlines
Deal found 27/4£775
Tue 10/617:20DUB - PER
3 stops25h 20mMultiple Airlines
Mon 16/603:25PER - DUB
3 stops35h 50mMultiple Airlines
Deal found 27/4£811
Sat 20/915:55DUB - BNE
2 stops29h 05mAir France
Sat 18/1011:05BNE - DUB
2 stops44h 35mAir France
Deal found 27/4£820
Sun 21/909:00DUB - PER
2 stops31h 55mLufthansa
Thu 16/1001:10PER - DUB
2 stops46h 45mLufthansa
Deal found 28/4£846
Mon 10/1116:40DUB - MEL
2 stops26h 30mAir France
Wed 19/1111:05MEL - DUB
2 stops32h 00mAir France
Deal found 28/4£849
Fri 31/1016:50DUB - PER
2 stops29h 00mTurkish Airlines
Thu 20/1102:25PER - DUB
2 stops39h 30mTurkish Airlines
Deal found 27/4£882
Sun 31/810:55DUB - SYD
2 stops33h 25mBritish Airways
Sun 28/914:40SYD - DUB
2 stops32h 35mBritish Airways
Deal found 28/4£888

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 858,174 searches. Data last updated 29 April 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

Mon 22/9

13:00-05:10

2 stops33h 10m

Perth

Sun 12/10

01:10-12:10

2 stops42h 00m

£642

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Wed 4/6

13:40-09:00

2 stops34h 20m

Melbourne

Wed 11/6

11:00-11:10

2 stops33h 10m

£646

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Thu 12/6

18:40-05:55

2 stops26h 15m

Melbourne

Thu 19/6

14:25-17:50

2 stops36h 25m

£725

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Tue 3/6

11:35-08:15

3 stops35h 40m

Brisbane

Tue 10/6

07:00-21:15

3 stops47h 15m

£775

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Fri 19/9

20:25-03:10

1 stop21h 45m

Melbourne

Wed 15/10

18:10-07:10

1 stop23h 00m

£784

DublinPerth

DUB - PER

DUBPER

Dublin

Tue 10/6

17:20-01:40

3 stops25h 20m

Perth

Mon 16/6

03:25-08:15

3 stops35h 50m

£811

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Sat 20/9

15:55-06:00

2 stops29h 05m

Brisbane

Sat 18/10

11:05-22:40

2 stops44h 35m

£820

DublinPerth

DUB - PER

DUBPER

Dublin

Sun 21/9

09:00-23:55

2 stops31h 55m

Perth

Thu 16/10

01:10-16:55

2 stops46h 45m

£846

DublinPerth

DUB - PER

DUBPER

Dublin

Thu 28/8

13:35-16:15

2 stops43h 40m

Perth

Sun 14/9

02:10-15:55

2 stops44h 45m

£885

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 31/8

10:55-05:20

2 stops33h 25m

Sydney Kingsford Smith

Sun 28/9

14:40-14:15

2 stops32h 35m

£888

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 56 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, May is the cheapest month in which you can book a flight from Ireland to Australia (average of £985). Flying from Ireland to Australia in July is currently the most expensive (average of £1,718). 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 April 2025.

When flying from Ireland to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Australia when rainfall is around 50.0 mm.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 April 2025.
See what other customers who have flown with Singapore Airlines, Emirates and KLM from Ireland to Australia have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,292 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Emirates
8.0
Very Good
3,213 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
KLM
7.8
Good
1,333 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Finnair
7.6
Good
1,273 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
SWISS
7.5
Good
1,588 reviews
Singapore Airlines
8.1
Very Good
1,292 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Overall

8.1

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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.

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

    The cheapest airline one-way is SWISS, with whom users have recently found tickets for as low as £474. However, be on the lookout for offers from Lufthansa and IndiGo, as they are both options that can get you from Ireland to Australia for a low price.

  • 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, May is the cheapest month in which you can book a flight from Ireland to Australia (average of £985). Flying from Ireland to Australia in July is currently the most expensive (average of £1,718). 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 10 airlines flying from Ireland to Australia

Discover the top 10 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 858,174 searches. Data last updated 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£632Average£957FlexibilityNo cancel feeOn-time79%
Search SWISS flights
China EasternCheapest£678Average£1,119FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
LufthansaCheapest£680Average£985FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapest£705Average£990FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air FranceCheapest£788Average£983FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£820Average£1,125FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£859Average£1,166FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Etihad AirwaysCheapest£870Average£1,332FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air CanadaCheapest£915Average£1,008FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qatar AirwaysCheapest£934Average£1,388FlexibilityNo 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 Australia?

Cheapflights makes it easy to find Ireland to Australia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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 Australia from Ireland.

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

Certainly. Search results for flights to Australia from Ireland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Ireland to Australia flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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