Cheap flights from Ireland to Australia from $694

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Australia departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ireland to Australia

Recent return flight deals from Ireland to Australia

 Logo
16:55 - 12:10DUB-PER
36h 15m2 stops
 Logo
23:35 - 09:35PER-DUB
41h 00m2 stops
$1,386
Find Deal
Mon, 15 Sep - Sun, 21 Sep
 Logo
17:00 - 05:50DUB-PER
29h 50m2 stops
 Logo
23:35 - 09:35PER-DUB
41h 00m2 stops
$1,403
Find Deal
Sun, 14 Sep - Sun, 21 Sep
Etihad Airways Logo
08:10 - 17:55DUB-SYD
22h 45m1 stop
Etihad Airways Logo
16:35 - 06:25SYD-DUB
24h 50m1 stop
$1,683Etihad Airways
Find Deal
Mon, 8 Dec - Wed, 24 Dec
Etihad Airways Logo
08:10 - 17:55DUB-SYD
22h 45m1 stop
Etihad Airways Logo
21:30 - 18:15SYD-DUB
31h 45m1 stop
$1,684Etihad Airways
Find Deal
Mon, 1 Dec - Thu, 22 Jan
Qatar Airways Logo
14:05 - 06:50DUB-SYD
29h 45m1 stop
Qatar Airways Logo
15:50 - 06:00SYD-DUB
25h 10m1 stop
$1,729Qatar Airways
Find Deal
Mon, 3 Nov - Thu, 20 Nov
Qatar Airways Logo
07:45 - 18:50DUB-SYD
24h 05m1 stop
Qatar Airways Logo
15:50 - 06:00SYD-DUB
25h 10m1 stop
$1,763Qatar Airways
Find Deal
Tue, 2 Dec - Tue, 20 Jan
Air France Logo
08:45 - 05:55DUB-BNE
35h 10m2 stops
Air France Logo
10:35 - 15:45BNE-DUB
39h 10m2 stops
$1,840Air France
Find Deal
Wed, 29 Oct - Wed, 19 Nov
Air France Logo
08:45 - 05:55DUB-BNE
35h 10m2 stops
Air France Logo
10:35 - 15:45BNE-DUB
39h 10m2 stops
$1,845Air France
Find Deal
Mon, 3 Nov - Mon, 17 Nov
Emirates Logo
22:05 - 20:05DUB-ADL
37h 30m1 stop
Emirates Logo
21:50 - 20:10ADL-DUB
30h 50m1 stop
$2,451Emirates
Find Deal
Fri, 29 Aug - Fri, 12 Sep
Emirates Logo
22:05 - 11:35DUB-ADL
29h 00m2 stops
Emirates Logo
14:10 - 12:15ADL-DUB
30h 35m2 stops
$3,047Emirates
Find Deal
Thu, 11 Sep - Wed, 24 Sep

Air Canada flights from Ireland to Australia

Our best Air Canada deals on Ireland to Australia flight tickets
Air Canada
18 Aug
DUB09:50Dublin
60h 15m
2 stops
BNE07:05Brisbane
22 Aug
BNE10:00Brisbane
30h 45m
1 stop
DUB07:45Dublin
Air Canada
13 Aug
DUB09:20Dublin
36h 45m
1 stop
BNE07:05Brisbane
20 Aug
BNE20:45Brisbane
44h 00m
2 stops
DUB07:45Dublin
Air Canada
9 Oct
ORK20:30Cork
49h 50m
3 stops
SYD08:20Sydney Kingsford Smith
20 Nov
SYD11:20Sydney Kingsford Smith
39h 05m
2 stops
ORK15:25Cork

Hainan Airlines flights from Ireland to Australia

Our best Hainan Airlines deals on Ireland to Australia flight tickets
Hainan Airlines
2 Sept
DUB12:00Dublin
41h 15m
2 stops
SYD14:15Sydney Kingsford Smith
9 Sept
SYD21:00Sydney Kingsford Smith
43h 00m
2 stops
DUB07:00Dublin
Hainan Airlines
2 Sept
DUB12:00Dublin
41h 15m
2 stops
SYD14:15Sydney Kingsford Smith
30 Sept
SYD21:00Sydney Kingsford Smith
43h 00m
2 stops
DUB07:00Dublin
Hainan Airlines
2 Sept
DUB12:00Dublin
41h 15m
2 stops
SYD14:15Sydney Kingsford Smith
23 Sept
SYD21:00Sydney Kingsford Smith
43h 00m
2 stops
DUB07:00Dublin

momondo 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, momondo users made 78,305 searches. Data last updated 6 August 2025.
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

Mon 15/9

16:55-12:10

2 stops36h 15m

Perth

Sun 21/9

23:35-09:35

2 stops41h 00m

$1,386

DublinPerth

DUB - PER

DUBPER

Dublin

Sun 14/9

17:00-05:50

2 stops29h 50m

Perth

Sun 21/9

23:35-09:35

2 stops41h 00m

$1,403

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 8/12

08:10-17:55

1 stop22h 45m

Sydney Kingsford Smith

Wed 24/12

16:35-06:25

1 stop24h 50m

$1,683

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 1/12

08:10-17:55

1 stop22h 45m

Sydney Kingsford Smith

Thu 22/1

21:30-18:15

1 stop31h 45m

$1,684

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 3/11

14:05-06:50

1 stop29h 45m

Sydney Kingsford Smith

Thu 20/11

15:50-06:00

1 stop25h 10m

$1,729

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 2/12

07:45-18:50

1 stop24h 05m

Sydney Kingsford Smith

Tue 20/1

15:50-06:00

1 stop25h 10m

$1,763

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Wed 29/10

08:45-05:55

2 stops35h 10m

Brisbane

Wed 19/11

10:35-15:45

2 stops39h 10m

$1,840

DublinBrisbane

DUB - BNE

DUBBNE

Dublin

Mon 3/11

08:45-05:55

2 stops35h 10m

Brisbane

Mon 17/11

10:35-15:45

2 stops39h 10m

$1,845

DublinAdelaide

DUB - ADL

DUBADL

Dublin

Fri 29/8

22:05-20:05

1 stop37h 30m

Adelaide

Fri 12/9

21:50-20:10

1 stop30h 50m

$2,451

DublinAdelaide

DUB - ADL

DUBADL

Dublin

Thu 11/9

22:05-11:35

2 stops29h 00m

Adelaide

Wed 24/9

14:10-12:15

2 stops30h 35m

$3,047

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Australia from

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

What is the cheapest month to fly to Australia?

In general, March is the cheapest month to fly from Ireland to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,953. If you don’t want to visit Australia in March, then you should wait until May to fly from Ireland, when ticket prices are also cheap, with an average price of $2,007.

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

On average, the least expensive day to fly to Australia from Ireland is on a Friday. momondo users have found tickets for Friday departures for as low as $2,340. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Ireland to Australia on a Thursday will generally be more expensive and average around $2,924. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Australia is in the afternoon. momondo users have found flights departing from Ireland to Australia in the afternoon for as low as $2,219. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $3,305. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $2,400 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 $2,168 on momondo.

Can stopping save me money on Ireland to Australia flights?

You could potentially save up to 14% 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

$694

Fastest flight time

19h 55m

Direct flights

None

Airports in Australia

5 airports
The best one-way flight to Australia from Ireland in the past 72 hours is $694. The best return flight deal from Ireland to Australia found on momondo in the last 72 hours is $1,386.
The fastest flight from Ireland to Australia takes 19h 55m
There are no direct flights from Ireland to Australia. Popular non-direct routes for this connection are Dublin Airport - Sydney Kingsford Smith Airport, Dublin Airport - Melbourne Airport and Dublin Airport - Perth Airport.
There are 5 airports near Australia: Melbourne (MEL), Brisbane (BNE), Adelaide (ADL), Perth (PER), Sydney Kingsford Smith (SYD)
  • When did momondo last update prices for flights from Ireland to Australia?

    Prices for flights from Ireland to Australia were last updated today.

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

  • 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 required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable 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
LufthansaPriceFrom $1,290Free cancellationRating
6.8
7,287 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $1,342Free cancellationRating
7.3
3,934 reviews
Search Turkish Airlines flights
SWISSPriceFrom $1,396Free cancellationRating
7.6
1,689 reviews
Search SWISS flights
Air FrancePriceFrom $1,626Free cancellationRating
7.5
1,466 reviews
Search Air France flights
Etihad AirwaysPriceFrom $1,664Free cancellationRating
7.4
1,232 reviews
Search Etihad Airways flights
British AirwaysPriceFrom $1,803Free cancellationRating
6.6
7,237 reviews
Search British Airways flights
Qatar AirwaysPriceFrom $1,863Free cancellationRating
7.4
3,608 reviews
Search Qatar Airways flights
Qantas AirwaysPriceFrom $1,981Free cancellationRating
7.5
887 reviews
Search Qantas Airways flights
EmiratesPriceFrom $2,724Free cancellationRating
8.1
3,304 reviews
Search Emirates flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Australia. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Australia from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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.

An easier way to manage your Australia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 11/8
Mon 18/8

Find better results for your trip to Australia