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

The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as £521. However, be on the lookout for offers from SWISS and Etihad Airways, as they are both options that can get you from Ireland to Australia for a low price.

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.

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).

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

Find a great deal and save up to 32% by booking at least 54 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ireland to Australia within the next two weeks, with the cheapest ticket starting at £1,105.

What is the cheapest month to fly from Ireland to Australia?

Our data shows that March tends to be the cheapest month to fly to Australia from Ireland. Users have commonly found prices around £1,158 for the month, but tickets can be as low as £720. Due to multiple factors, prepare for potentially higher prices in December.

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.

£340+ Flights from Ireland to Australia

Cheap flight deals from Ireland to Australia

Round-trip from	£632
One-way from	£340
Popular in	December
Cheapest in	March
Average price	£1,399

Lufthansa
4/11-11/11
4 total stops
72h 20m total
Ireland to Australia

Search Deals

17/9
2 total stops
59h 00m total
Ireland to Australia

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£142 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£38 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 15 July 2025.

Tue 4/1112:55DUB - PER

2 stops39h 40mMultiple Airlines

Tue 11/1109:25PER - DUB

2 stops32h 40mMultiple Airlines

Deal found 15/7£632

Tue 4/1112:55DUB - PER

2 stops39h 40mSWISS

Tue 11/1106:40PER - DUB

2 stops37h 20mSWISS

Deal found 15/7£636

Wed 5/1118:35DUB - MEL

2 stops25h 35mSWISS

Mon 26/107:00MEL - DUB

2 stops40h 05mSWISS

Deal found 13/7£664

Wed 5/1109:10DUB - MEL

2 stops35h 00mLufthansa

Mon 26/107:00MEL - DUB

2 stops39h 00mLufthansa

Deal found 15/7£691

Tue 28/1017:10DUB - PER

2 stops37h 35mLufthansa

Wed 5/1113:50PER - DUB

2 stops28h 15mLufthansa

Deal found 15/7£709

Tue 4/1117:55DUB - MEL

2 stops25h 20mMultiple Airlines

Wed 28/116:40MEL - DUB

2 stops26h 55mMultiple Airlines

Deal found 13/7£723

Tue 4/1116:30DUB - PER

2 stops47h 25mTurkish Airlines

Mon 10/1101:10PER - DUB

2 stops40h 30mTurkish Airlines

Deal found 15/7£771

Fri 7/1108:10DUB - MEL

1 stop21h 50mEtihad Airways

Mon 26/118:20MEL - DUB

1 stop34h 55mEtihad Airways

Deal found 13/7£876

Sun 21/910:55DUB - SYD

2 stops33h 25mBritish Airways

Sun 19/1015:40SYD - DUB

2 stops36h 20mBritish Airways

Deal found 14/7£917

Sun 21/920:25DUB - SYD

2 stops26h 00mMultiple Airlines

Sun 19/1016:40SYD - DUB

1 stop24h 30mMultiple Airlines

Deal found 14/7£929

Sun 2/1118:35DUB - SYD

2 stops30h 15mSWISS

Sun 30/1115:15SYD - DUB

2 stops37h 30mSWISS

Deal found 14/7£934

Tue 2/1217:55DUB - SYD

2 stops26h 45mLufthansa

Tue 30/1215:15SYD - DUB

2 stops36h 10mLufthansa

Deal found 14/7£957

Best flights from Ireland to Australia
Discover carefully curated flight deals from Ireland to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 July 2025.

Tue 4/1112:55DUB - PER

2 stops39h 40mMultiple Airlines

Tue 11/1109:25PER - DUB

2 stops32h 40mMultiple Airlines

Deal found 15/7£632

Tue 4/1112:55DUB - PER

2 stops39h 40mSWISS

Tue 11/1106:40PER - DUB

2 stops37h 20mSWISS

Deal found 15/7£636

Wed 5/1109:10DUB - MEL

2 stops35h 00mLufthansa

Mon 26/107:00MEL - DUB

2 stops39h 00mLufthansa

Deal found 15/7£691

Tue 4/1116:30DUB - PER

2 stops47h 25mTurkish Airlines

Mon 10/1101:10PER - DUB

2 stops40h 30mTurkish Airlines

Deal found 15/7£771

Fri 7/1108:10DUB - MEL

1 stop21h 50mEtihad Airways

Mon 26/118:20MEL - DUB

1 stop34h 55mEtihad Airways

Deal found 13/7£876

Sun 21/910:55DUB - SYD

2 stops33h 25mBritish Airways

Sun 19/1015:40SYD - DUB

2 stops36h 20mBritish Airways

Deal found 14/7£917

Thu 4/915:00DUB - SYD

1 stop41h 10mQatar Airways

Mon 22/914:50SYD - DUB

1 stop31h 40mQatar Airways

Deal found 13/7£1,044

Mon 3/1109:00DUB - BNE

2 stops37h 45mAir Canada

Mon 17/1112:05BNE - DUB

3 stops53h 05mAir Canada

Deal found 13/7£1,081

Sun 14/908:50DUB - BNE

2 stops36h 40mUnited Airlines

Fri 26/910:30BNE - DUB

2 stops56h 15mUnited Airlines

Deal found 14/7£1,088

Mon 25/809:45DUB - BNE

2 stops46h 45mFinnair

Tue 9/911:05BNE - DUB

2 stops39h 10mFinnair

Deal found 13/7£1,119

Wed 10/1208:45DUB - BNE

2 stops35h 10mAir France

Wed 31/1210:35BNE - DUB

2 stops39h 05mAir France

Deal found 14/7£1,219

Wed 17/917:20DUB - BNE

2 stops27h 40mKLM

Thu 6/1116:10BNE - DUB

3 stops34h 10mKLM

Deal found 14/7£1,324

Last-minute flights from Ireland to Australia
Discover last-minute flight deals from Ireland to Australia. Data last updated 15 July 2025 and is based on user searches.

Sat 19/715:00DUB - SYD

1 stop41h 10mQatar Airways

Sat 26/719:00SYD - DUB

2 stops27h 30mQatar Airways

Deal found 13/7£1,575

Mon 21/709:45DUB - PER

2 stops61h 05mFinnair

Mon 4/809:15PER - DUB

2 stops39h 00mFinnair

Deal found 15/7£3,801

Mon 21/708:15DUB - PER

1 stop19h 55mQatar Airways

Mon 4/822:45PER - DUB

1 stop21h 45mQatar Airways

Deal found 15/7£5,621

Tue 22/717:20DUB - MEL

3 stops28h 45mMultiple Airlines

Tue 29/712:05MEL - DUB

2 stops29h 10mMultiple Airlines

Deal found 14/7£3,224

Thu 24/715:00DUB - MEL

1 stop40h 50mQatar Airways

Tue 12/822:45MEL - DUB

1 stop23h 45mQatar Airways

Deal found 13/7£5,493

Fri 25/709:05DUB - MEL

1 stop33h 05mEtihad Airways

Tue 12/805:00MEL - DUB

1 stop35h 10mEtihad Airways

Deal found 13/7£5,361

Wed 6/812:30DUB - PER

3 stops34h 20mMultiple Airlines

Wed 20/821:55PER - DUB

3 stops31h 35mMultiple Airlines

Deal found 13/7£1,003

Thu 7/816:55DUB - MEL

2 stops41h 30mTurkish Airlines

Sat 13/921:20MEL - DUB

2 stops27h 10mTurkish Airlines

Deal found 14/7£1,090

Thu 14/809:05DUB - SYD

1 stop22h 50mEtihad Airways

Sun 17/815:40SYD - DUB

1 stop24h 30mEtihad Airways

Deal found 13/7£1,005

Thu 14/806:15DUB - SYD

2 stops28h 10mMultiple Airlines

Sun 17/820:10SYD - DUB

2 stops35h 10mMultiple Airlines

Deal found 13/7£1,031

Mon 25/816:55DUB - PER

2 stops29h 55mTurkish Airlines

Tue 9/923:15PER - DUB

2 stops41h 20mTurkish Airlines

Deal found 13/7£898

Mon 25/818:40DUB - PER

2 stops27h 30mSWISS

Tue 9/906:25PER - DUB

2 stops42h 25mSWISS

Deal found 14/7£1,003

One-way flights from Ireland to Australia
Search for one-way flight options from Ireland to Australia. Find affordable one-way fares based on user searches. Data last updated 15 July 2025.

Wed 17/918:15DUB - SYD

2 stops59h 00mMultiple Airlines

Deal found 13/7£340

Fri 15/810:35DUB - MEL

3 stops34h 40mMultiple Airlines

Deal found 13/7£426

Tue 23/913:00DUB - BNE

3 stops47h 30mMultiple Airlines

Deal found 14/7£447

Sun 30/1105:10DUB - SYD

2 stops39h 05mLufthansa

Deal found 14/7£521

Tue 7/1016:55DUB - PER

2 stops32h 30mMultiple Airlines

Deal found 12/7£559

Fri 14/1118:35DUB - PER

2 stops34h 00mSWISS

Deal found 14/7£562

Thu 6/1109:20DUB - MEL

2 stops34h 50mLufthansa

Deal found 14/7£589

Fri 15/820:25DUB - MEL

1 stop21h 45mEtihad Airways

Deal found 13/7£619

Tue 4/1114:10DUB - MEL

1 stop41h 15mQatar Airways

Deal found 13/7£621

Thu 6/1113:10DUB - MEL

1 stop42h 05mEmirates

Deal found 14/7£631

Sun 7/1218:35DUB - SYD

2 stops26h 05mSWISS

Deal found 14/7£648

Sun 3/814:20DUB - MEL

2 stops54h 15mQantas Airways

Deal found 14/7£742

Cheapflights Fare Finder

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

DublinPerth

DUB - PER

DUBPER

Dublin

Tue 4/11

12:55-12:35

2 stops39h 40m

Perth

Tue 11/11

09:25-10:05

2 stops32h 40m

£632

DublinPerth

DUB - PER

DUBPER

Dublin

Tue 4/11

12:55-12:35

2 stops39h 40m

Perth

Tue 11/11

06:40-12:00

2 stops37h 20m

£636

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Wed 5/11

18:35-07:10

2 stops25h 35m

Melbourne

Mon 26/1

07:00-12:05

2 stops40h 05m

£664

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Wed 5/11

09:10-07:10

2 stops35h 00m

Melbourne

Mon 26/1

07:00-11:00

2 stops39h 00m

£691

DublinPerth

DUB - PER

DUBPER

Dublin

Tue 28/10

17:10-14:45

2 stops37h 35m

Perth

Wed 5/11

13:50-10:05

2 stops28h 15m

£709

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Tue 4/11

17:55-06:15

2 stops25h 20m

Melbourne

Wed 28/1

16:40-08:35

2 stops26h 55m

£723

DublinPerth

DUB - PER

DUBPER

Dublin

Tue 4/11

16:30-23:55

2 stops47h 25m

Perth

Mon 10/11

01:10-09:40

2 stops40h 30m

£771

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Fri 7/11

08:10-17:00

1 stop21h 50m

Melbourne

Mon 26/1

18:20-18:15

1 stop34h 55m

£876

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 21/9

10:55-05:20

2 stops33h 25m

Sydney Kingsford Smith

Sun 19/10

15:40-18:00

2 stops36h 20m

£917

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 21/9

20:25-07:25

2 stops26h 00m

Sydney Kingsford Smith

Sun 19/10

16:40-07:10

1 stop24h 30m

£929

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 57 results

...

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 £1,709). 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?

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.

Reviews of airlines servicing Australia

Read through reviews of airlines operating flights from Ireland to Australia, such as Emirates, KLM, andFinnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Emirates

8.1

Very Good

3,285 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

Emirates

8.1

Very Good

3,285 reviews

Emirates

8.1

Very Good

3,285 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

KLM

7.8

Good

1,372 reviews

Emirates

8.1

Very Good

3,285 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

Finnair

7.6

Good

1,316 reviews

Emirates

8.1

Very Good

3,285 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

Air France

7.5

Good

1,466 reviews

Emirates

8.1

Very Good

3,285 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

SWISS

7.5

Good

1,657 reviews

Emirates

8.1

Very Good

3,285 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

Related info for your journey

What are the cheapest airlines to fly from Ireland to Australia one-way?
The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as £521. However, be on the lookout for offers from SWISS and Etihad Airways, 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 £1,709). 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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Complete your trip

Australia car hire

Queensland car hire

New South Wales car hire

Western Australia car hire

Victoria car hire

South Australia car hire

Northern Territory car hire

Tasmania car hire

Australian Capital Territory car hire

Sydney Kingsford Smith Airport car hire

Melbourne Airport car hire

Brisbane Airport car hire

Top 10 airlines flying from Ireland to Australia

Airline	Cheapest	Average	Flexibility	On-time
SWISS	Cheapest£430	Average£875	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Lufthansa	Cheapest£595	Average£949	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
China Eastern	Cheapest£673	Average£1,106	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Turkish Airlines	Cheapest£706	Average£1,009	FlexibilityNo cancel fee	On-time77%	Search Turkish Airlines flights
British Airways	Cheapest£709	Average£1,201	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest£763	Average£957	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Etihad Airways	Cheapest£800	Average£1,243	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Finnair	Cheapest£853	Average£1,192	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Qatar Airways	Cheapest£881	Average£1,299	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Air Canada	Cheapest£908	Average£1,043	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ireland to Australia from £340

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ireland to Australia

Cheapest flights from Ireland to AustraliaExplore 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 15 July 2025.

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 15 July 2025.

Cheapflights Fare Finder

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

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.

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?

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 15 July 2025.

Reviews of airlines servicing Australia

Read through reviews of airlines operating flights from Ireland to Australia, such as Emirates, KLM, andFinnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

Can I find deals for flights from Ireland to Australia that include hotel bookings?

How can I find direct flights from Ireland to Australia?

Can I find deals for business class flights from Ireland to Australia?

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

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.

Top 10 airlines flying from Ireland to Australia

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?

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

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

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

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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 15 July 2025.