What is the cheapest airline that flies from Ireland to Australia?

Lufthansa, SWISS, and Qatar Airways are the most popular carriers operating from Ireland to Australia

Which airlines fly to Australia?

Qatar Airways, Emirates and Etihad Airways are the top three most popular airlines that fly to Australia from Ireland according to our data. Qatar Airways is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 13 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Ireland to Australia?

Prices for flights from Ireland to Australia refresh daily.

How many operators does momondo search for flights from Ireland to Australia?

The number of operators available for flights from Ireland to Australia is 13 as of August 2025.

How old do you have to be to fly from Ireland to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Australia.

What documentation or ID do you need to fly to Australia?

The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£360 Cheap Flights from Ireland to Australia in 2025

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Find the cheapest flights from Ireland to Australia

Round-trip

One-way

Last minute

Recent return flight deals from Ireland to Australia

18:35 - 05:25DUB-PER

26h 50m2 stops

05:35 - 12:05PER-DUB

38h 30m2 stops

£673

Find Deal

Mon, 10 Nov - Mon, 24 Nov

18:35 - 04:20DUB-PER

25h 45m2 stops

13:50 - 10:05PER-DUB

28h 15m2 stops

£688

Find Deal

Wed, 29 Oct - Wed, 5 Nov

17:10 - 07:10DUB-MEL

27h 00m2 stops

07:00 - 17:10MEL-DUB

45h 10m2 stops

£724Lufthansa

Find Deal

Tue, 4 Nov - Wed, 28 Jan

17:10 - 07:15DUB-SYD

27h 05m2 stops

15:35 - 17:10SYD-DUB

36h 35m2 stops

£728Lufthansa

Find Deal

Tue, 2 Dec - Tue, 20 Jan

19:50 - 18:35DUB-SYD

35h 45m1 stop

16:20 - 06:25SYD-DUB

25h 05m1 stop

£846Etihad Airways

Find Deal

Tue, 2 Dec - Wed, 21 Jan

21:20 - 06:50DUB-SYD

22h 30m1 stop

15:50 - 06:00SYD-DUB

25h 10m1 stop

£861Qatar Airways

Find Deal

Tue, 2 Dec - Tue, 20 Jan

21:20 - 06:50DUB-SYD

22h 30m1 stop

15:50 - 06:00SYD-DUB

25h 10m1 stop

£862Qatar Airways

Find Deal

Tue, 2 Dec - Tue, 20 Jan

09:05 - 15:35DUB-MEL

21h 30m1 stop

18:10 - 07:10MEL-DUB

23h 00m1 stop

£872Etihad Airways

Find Deal

Tue, 26 Aug - Tue, 7 Oct

15:50 - 05:20DUB-SYD

28h 30m2 stops

14:40 - 09:35SYD-DUB

27h 55m2 stops

£905British Airways

Find Deal

Sat, 13 Sep - Sat, 20 Sep

15:10 - 06:55DUB-SYD

28h 45m2 stops

16:20 - 12:15SYD-DUB

30h 55m2 stops

£909British Airways

Find Deal

Wed, 12 Nov - Sun, 16 Nov

Qatar Airways flights from Ireland to Australia

Our best Qatar Airways deals on Ireland to Australia flight tickets

Qatar Airways

2 Dec

DUB21:20Dublin

22h 30m

1 stop

SYD06:50Sydney Kingsford Smith

20 Jan

SYD15:50Sydney Kingsford Smith

25h 10m

1 stop

DUB06:00Dublin

£861

Find similar

Qatar Airways

2 Dec

DUB21:20Dublin

22h 30m

1 stop

SYD06:50Sydney Kingsford Smith

20 Jan

SYD15:50Sydney Kingsford Smith

25h 10m

1 stop

DUB06:00Dublin

£862

Find similar

Qatar Airways

13 Nov

DUB14:05Dublin

22h 40m

1 stop

MEL23:45Melbourne

17 Nov

MEL23:40Melbourne

23h 55m

1 stop

DUB12:35Dublin

£873

Find similar

British Airways flights from Ireland to Australia

Our best British Airways deals on Ireland to Australia flight tickets

British Airways

13 Sept

DUB15:50Dublin

28h 30m

2 stops

SYD05:20Sydney Kingsford Smith

20 Sept

SYD14:40Sydney Kingsford Smith

27h 55m

2 stops

DUB09:35Dublin

£905

Find similar

British Airways

12 Nov

DUB15:10Dublin

28h 45m

2 stops

SYD06:55Sydney Kingsford Smith

16 Nov

SYD16:20Sydney Kingsford Smith

30h 55m

2 stops

DUB12:15Dublin

£909

Find similar

British Airways

13 Sept

DUB15:50Dublin

28h 30m

2 stops

SYD05:20Sydney Kingsford Smith

20 Sept

SYD14:40Sydney Kingsford Smith

27h 55m

2 stops

DUB09:35Dublin

£910

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinPerth

DUB - PER

DUBPER

Dublin

Mon 10/11

18:35-05:25

2 stops26h 50m

Perth

Mon 24/11

05:35-12:05

2 stops38h 30m

£673

DublinPerth

DUB - PER

DUBPER

Dublin

Wed 29/10

18:35-04:20

2 stops25h 45m

Perth

Wed 5/11

13:50-10:05

2 stops28h 15m

£688

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Tue 4/11

17:10-07:10

2 stops27h 00m

Melbourne

Wed 28/1

07:00-17:10

2 stops45h 10m

£724

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 2/12

17:10-07:15

2 stops27h 05m

Sydney Kingsford Smith

Tue 20/1

15:35-17:10

2 stops36h 35m

£728

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 2/12

19:50-18:35

1 stop35h 45m

Sydney Kingsford Smith

Wed 21/1

16:20-06:25

1 stop25h 05m

£846

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 2/12

21:20-06:50

1 stop22h 30m

Sydney Kingsford Smith

Tue 20/1

15:50-06:00

1 stop25h 10m

£861

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 2/12

21:20-06:50

1 stop22h 30m

Sydney Kingsford Smith

Tue 20/1

15:50-06:00

1 stop25h 10m

£862

DublinMelbourne

DUB - MEL

DUBMEL

Dublin

Tue 26/8

09:05-15:35

1 stop21h 30m

Melbourne

Tue 7/10

18:10-07:10

1 stop23h 00m

£872

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sat 13/9

15:50-05:20

2 stops28h 30m

Sydney Kingsford Smith

Sat 20/9

14:40-09:35

2 stops27h 55m

£905

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 12/11

15:10-06:55

2 stops28h 45m

Sydney Kingsford Smith

Sun 16/11

16:20-12:15

2 stops30h 55m

£909

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ireland to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Australia?

The month of March is, on average, the cheapest month to fly to Australia from Ireland, with most prices found around £956. The month of May is another great option to travel to Australia, with average flight prices from Ireland averaging around £982.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart on your flight to Australia is on a Wednesday when prices can be found for as low as £1,163. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Australia is Friday, with ticket prices averaging around £1,287.

What is the cheapest time of day to depart on your flight to Australia?

In the afternoon is the cheapest time of day to fly from Ireland to Australia when you can find flight prices for as low as £1,078. Flying to Australia in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Australia is in the evening when prices are around £1,514.

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

You are more likely to see cheaper flights to Australia from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around £1,175 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Ireland for as low as £1,059 on momondo.

Can stopping save me money on Ireland to Australia flights?

You could potentially save up to 11% on your flight if you consider stops on a Ireland to Australia flight.

Cheap Ireland to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Australia

Best price found	£360
Fastest flight time	20h 15m
Direct flights	None
Airports in Australia	4 airports

The best one-way flight to Australia from Ireland in the past 72 hours is £360. The best return flight deal from Ireland to Australia found on momondo in the last 72 hours is £673.

The fastest flight from Ireland to Australia takes 20h 15m

There are no direct flights from Ireland to Australia. Popular non-direct routes for this connection are Dublin Airport - Brisbane Airport, Dublin Airport - Sydney Kingsford Smith Airport and Dublin Airport - Melbourne Airport.

There are 4 airports near Australia: Melbourne (MEL), Brisbane (BNE), Perth (PER), Sydney Kingsford Smith (SYD)

Search flight deals

When did momondo last update prices for flights from Ireland to Australia?
Prices for flights from Ireland to Australia refresh daily.
How many operators does momondo search for flights from Ireland to Australia?
The number of operators available for flights from Ireland to Australia is 13 as of August 2025.
How old do you have to be to fly from Ireland to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to Australia

Compare and see reviews for airlines that fly from Ireland to Australia with momondo

Airline	Rating	Free Cancellation	Price
SWISS	PriceFrom £437	Free Cancellation	Rating 7.5 1,686 reviews	Search SWISS flights
Lufthansa	PriceFrom £605	Free Cancellation	Rating 6.8 7,275 reviews	Search Lufthansa flights
China Eastern	PriceFrom £685	Free Cancellation	Rating 7.2 158 reviews	Search China Eastern flights
Turkish Airlines	PriceFrom £719	Free Cancellation	Rating 7.3 3,933 reviews	Search Turkish Airlines flights
British Airways	PriceFrom £720	Free Cancellation	Rating 6.6 7,222 reviews	Search British Airways flights
Air France	PriceFrom £776	Free Cancellation	Rating 7.5 1,465 reviews	Search Air France flights
Etihad Airways	PriceFrom £813	Free Cancellation	Rating 7.4 1,230 reviews	Search Etihad Airways flights
Finnair	PriceFrom £868	Free Cancellation	Rating 7.6 1,316 reviews	Search Finnair flights
Qatar Airways	PriceFrom £886	Free Cancellation	Rating 7.4 3,609 reviews	Search Qatar Airways flights
United Airlines	PriceFrom £947	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Australia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Australia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Australia from Ireland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Ireland to Australia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Australia.

I’m not ready to book a flight from Ireland to Australia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ireland to Australia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Australia and let you know when they change.