Cheap flights from Ireland to Australia from £422

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
28 May — 4 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 28 April 2026.

Mon 14/917:05
DUB
-
BNE
3 stops51h 45m
Turkish Airlines
Mon 12/1007:15
BNE
-
DUB
3 stops48h 55m
Turkish Airlines
Deal found 26/4£766
Tue 2/609:00
DUB
-
BNE
2 stops29h 15m
Multiple Airlines
Wed 8/711:45
BNE
-
DUB
2 stops28h 30m
Multiple Airlines
Deal found 26/4£791
Mon 14/920:35
DUB
-
BNE
2 stops40h 10m
Multiple Airlines
Mon 12/1008:00
BNE
-
DUB
2 stops44h 05m
Multiple Airlines
Deal found 26/4£828
Wed 11/1108:10
DUB
-
MEL
1 stop21h 50m
Etihad Airways
Wed 25/1118:20
MEL
-
DUB
1 stop34h 55m
Etihad Airways
Deal found 24/4£862
Thu 12/1119:50
DUB
-
MEL
1 stop34h 10m
Etihad Airways
Mon 16/1118:20
MEL
-
DUB
1 stop23h 05m
Etihad Airways
Deal found 23/4£863
Thu 12/1119:50
DUB
-
MEL
1 stop34h 10m
Etihad Airways
Tue 24/1118:20
MEL
-
DUB
1 stop34h 55m
Etihad Airways
Deal found 23/4£866
Tue 26/520:35
DUB
-
SYD
1 stop35h 15m
Etihad Airways
Thu 6/821:30
SYD
-
DUB
1 stop30h 35m
Etihad Airways
Deal found 26/4£869
Wed 2/909:00
DUB
-
MEL
1 stop21h 50m
Etihad Airways
Sun 20/917:20
MEL
-
DUB
1 stop34h 45m
Etihad Airways
Deal found 27/4£870
Sun 17/509:00
DUB
-
MEL
1 stop21h 50m
Etihad Airways
Wed 20/517:20
MEL
-
DUB
1 stop34h 45m
Etihad Airways
Deal found 26/4£871
Tue 26/520:35
DUB
-
SYD
1 stop35h 15m
Etihad Airways
Mon 6/715:40
SYD
-
DUB
1 stop24h 35m
Etihad Airways
Deal found 27/4£871
Tue 2/620:35
DUB
-
SYD
1 stop35h 15m
Etihad Airways
Mon 6/715:40
SYD
-
DUB
1 stop24h 35m
Etihad Airways
Deal found 27/4£873
Tue 3/1106:00
DUB
-
SYD
2 stops44h 35m
China Eastern
Wed 18/1121:30
SYD
-
DUB
2 stops60h 25m
China Eastern
Deal found 24/4£874

Find flight deals from Ireland to Australia

Keep the following information in mind while searching for Ireland to Australia flight deals. Data was last updated 28 April 2026.

Round-trip from

£766

One-way from

£422

Popular in

July

Cheapest in

September

Average price

£1,056
Turkish Airlines
  • Turkish Airlines
  • 14/9-12/10
  • 6 total stops
  • 100h 40m total
  • Ireland to Australia
27/8
  • 27/8
  • 2 total stops
  • 36h 35m total
  • Ireland to Australia
Highest demand for flights based on searches. 8% potential increase in price (£79 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£24 potential savings vs. average return price).
Average for round-trip flights in April 2026

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 28 April 2026.
Use the filters below to find and compare flights from Ireland to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 9/6

16:20-12:35

2 stops59h 15m

Sydney Kingsford Smith

Tue 16/6

11:00-22:25

2 stops44h 25m

£912

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Wed 14/10

20:35-16:50

1 stop34h 15m

Melbourne

Mon 26/10

18:20-06:25

1 stop23h 05m

£920

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sat 3/10

05:35-09:45

2 stops43h 10m

Sydney Kingsford Smith

Tue 13/10

22:05-16:00

2 stops27h 55m

£964

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Sat 16/5

08:15-17:15

1 stop24h 00m

Melbourne

Mon 25/5

22:45-15:25

1 stop25h 40m

£1,002

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Wed 10/6

08:15-17:15

1 stop24h 00m

Melbourne

Wed 24/6

17:10-13:30

2 stops29h 20m

£1,048

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Fri 18/9

05:35-09:45

2 stops43h 10m

Brisbane

Fri 23/10

07:15-15:40

3 stops41h 25m

£1,050

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 11/10

08:15-21:40

2 stops27h 25m

Sydney Kingsford Smith

Tue 20/10

15:50-06:45

1 stop24h 55m

£1,057

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 2/10

05:35-09:35

2 stops43h 00m

Sydney Kingsford Smith

Thu 15/10

22:05-23:05

2 stops35h 00m

£1,074

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 26/5

15:55-06:05

2 stops29h 10m

Sydney Kingsford Smith

Wed 8/7

14:35-09:00

2 stops27h 25m

£1,077

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Wed 14/10

05:35-09:20

2 stops41h 45m

Melbourne

Mon 26/10

22:55-15:30

2 stops27h 35m

£1,081

Flights are sorted by cheapest return flights first.

Deals found on 25/4

Showing 1-10 of 55 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Ireland to Australia?

To ensure you get the cheapest price possible for a flight from Ireland to Australia, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Ireland to Australia (average of £373). Flying from Ireland to Australia in September is currently the most expensive (average of £2,744). 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.

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 28 April 2026.
Read through reviews of airlines operating flights from Ireland to Australia, such as Emirates,Qatar Airways, andTurkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,Apr 2026

GLA - DXB

Being disabled i feel they made an extra effort to accommodate me especially as I had adjoining flights

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?

    For as low as £920, China Eastern can have you in Australia from Ireland in 34h 15m. Airlines will cover a distance of 10677 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as £415. However, be on the lookout for offers from SWISS and Turkish Airlines, 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, August is the cheapest month in which you can book a flight from Ireland to Australia (average of £373). Flying from Ireland to Australia in September is currently the most expensive (average of £2,744). 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.

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 28 April 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest£427Average£756FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£479Average£857FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Turkish AirlinesCheapest£571Average£869FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest£686Average£932FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£745Average£1,068FlexibilityNo cancel feeOn-time77%
Search Air France flights
Etihad AirwaysCheapest£781Average£921FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest£824Average£1,218FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapest£878Average£1,328FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EmiratesCheapest£896Average£1,384FlexibilityNo cancel feeOn-time75%
Search Emirates flights
United AirlinesCheapest£1,004Average£1,197FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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