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Cheap flights from Ireland to Australia from $746

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
5 May — 12 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 30 April 2025.

Round-trip from

$1,354

One-way from

$746

Popular in

December

Cheapest in

March

Average price

$2,360
4/6-11/6
  • 4/6-11/6
  • 4 total stops
  • 67h 30m total
  • Ireland to Australia
Search Deals
21/5
  • 21/5
  • 3 total stops
  • 40h 40m total
  • Ireland to Australia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($573 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($150 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 30 April 2025.

Wed 5/1108:25DUB - PER
2 stops27h 25mMultiple Airlines
Tue 11/1104:40PER - DUB
2 stops34h 10mMultiple Airlines
Deal found 30/4$1,302
Wed 4/613:40DUB - MEL
2 stops34h 20mMultiple Airlines
Wed 11/611:00MEL - DUB
2 stops33h 10mMultiple Airlines
Deal found 30/4$1,354
Wed 5/1118:40DUB - MEL
2 stops26h 35mSWISS
Mon 26/116:40MEL - DUB
2 stops36h 10mSWISS
Deal found 30/4$1,432
Tue 6/509:05DUB - MEL
1 stop33h 05mEtihad Airways
Thu 22/517:10MEL - DUB
1 stop23h 00mEtihad Airways
Deal found 30/4$1,538
Wed 4/613:40DUB - BNE
2 stops34h 20mMultiple Airlines
Wed 11/611:00BNE - DUB
2 stops33h 10mMultiple Airlines
Deal found 30/4$1,622
Tue 20/515:55DUB - PER
2 stops25h 45mAir France
Tue 27/512:25PER - DUB
2 stops26h 50mAir France
Deal found 30/4$1,646
Thu 28/813:00DUB - PER
2 stops27h 55mSWISS
Mon 15/906:25PER - DUB
2 stops42h 25mSWISS
Deal found 30/4$1,661
Sun 11/512:00DUB - MEL
2 stops41h 05mHainan Airlines
Sun 25/519:45MEL - DUB
2 stops44h 15mHainan Airlines
Deal found 30/4$1,680
Tue 4/1117:25DUB - MEL
2 stops27h 50mLufthansa
Tue 27/100:35MEL - DUB
2 stops44h 25mLufthansa
Deal found 30/4$1,690
Mon 26/515:55DUB - BNE
2 stops29h 05mAir France
Wed 11/611:05BNE - DUB
2 stops30h 10mAir France
Deal found 30/4$1,744
Sun 18/515:25ORK - BNE
2 stops29h 35mAir France
Sun 25/511:05BNE - ORK
2 stops36h 35mAir France
Deal found 30/4$1,766
Sun 21/909:00DUB - PER
2 stops46h 40mLufthansa
Thu 16/1001:10PER - DUB
2 stops46h 45mLufthansa
Deal found 30/4$1,808

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 30 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

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

$1,354

DublinPerth

DUB - PER

DUBPER

Dublin

Tue 3/6

13:20-05:50

2 stops33h 30m

Perth

Tue 10/6

21:55-22:40

3 stops31h 45m

$1,379

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Tue 3/6

09:05-15:35

1 stop21h 30m

Melbourne

Thu 12/6

05:00-07:10

1 stop35h 10m

$1,552

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Wed 4/6

13:40-09:00

2 stops34h 20m

Brisbane

Wed 11/6

11:00-11:10

2 stops33h 10m

$1,622

DublinPerth

DUB - PER

DUBPER

Dublin

Tue 20/5

15:55-00:40

2 stops25h 45m

Perth

Tue 27/5

12:25-08:15

2 stops26h 50m

$1,646

DublinPerth

DUB - PER

DUBPER

Dublin

Thu 28/8

13:00-23:55

2 stops27h 55m

Perth

Mon 15/9

06:25-17:50

2 stops42h 25m

$1,661

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Sun 11/5

12:00-14:05

2 stops41h 05m

Melbourne

Sun 25/5

19:45-07:00

2 stops44h 15m

$1,680

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Mon 26/5

15:55-06:00

2 stops29h 05m

Brisbane

Wed 11/6

11:05-08:15

2 stops30h 10m

$1,744

DublinPerth

DUB - PER

DUBPER

Dublin

Sun 21/9

09:00-14:40

2 stops46h 40m

Perth

Thu 16/10

01:10-16:55

2 stops46h 45m

$1,808

DublinCairns

DUB - CNS

DUBCNS

Dublin

Mon 19/5

15:55-17:00

2 stops40h 05m

Cairns

Mon 26/5

18:15-22:25

2 stops37h 10m

$1,812

Flights are sorted by cheapest return flights first.

Deals found on 30/4

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, May is the cheapest month in which you can book a flight from Ireland to Australia (average of $129). Flying from Ireland to Australia in October is currently the most expensive (average of $171). 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 30 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 30 April 2025.
Read through reviews of airlines operating flights from Ireland to Australia, such as Hainan Airlines, Emirates and KLM. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

9.0

Boarding

8.6

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.1
Very Good
38 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

9.0

Boarding

8.6

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Emirates
8.0
Very Good
3,215 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

9.0

Boarding

8.6

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
KLM
7.8
Good
1,334 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

9.0

Boarding

8.6

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Finnair
7.6
Good
1,275 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

9.0

Boarding

8.6

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
SWISS
7.5
Good
1,588 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Comfort

8.1

Overall

8.1

Crew

9.0

Boarding

8.6

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 cheapet airlines for a one-way flight from Ireland to Australia are XiamenAir ($1,080), SWISS ($1,122), and Lufthansa ($1,146).

  • 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 $129). Flying from Ireland to Australia in October is currently the most expensive (average of $171). 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 9 airlines flying from Ireland to Australia

Discover the top 9 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$1,304Average$1,874FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapest$1,356Average$1,534FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
SWISSCheapest$1,447Average$1,625FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Air FranceCheapest$1,657Average$2,263FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest$1,777Average$2,906FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
British AirwaysCheapest$1,814Average$2,503FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest$1,883Average$2,977FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest$2,753Average$3,366FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Qantas AirwaysCheapest$2,874Average$3,754FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

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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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