Cheap flights from Ireland to Sydney from £433

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 Sydney departing on 24/2. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

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 Sydney

Recent return flight deals from Ireland to Sydney

Enter your travel dates to find the best prices.
Qantas Airways Logo
20:50 - 18:35
DUB
-
SYD
34h 45m1 stop
Qantas Airways Logo
06:00 - 18:55
SYD
-
DUB
23h 55m1 stop
£952Qantas Airways
Mon, 2 Feb - Mon, 23 Feb
Emirates Logo
08:25 - 18:35
DUB
-
SYD
23h 10m1 stop
Emirates Logo
06:00 - 06:25
SYD
-
DUB
35h 25m1 stop
£953Emirates
Fri, 6 Mar - Fri, 27 Mar
Emirates Logo
08:25 - 18:35
DUB
-
SYD
23h 10m1 stop
Emirates Logo
11:30 - 06:25
SYD
-
DUB
29h 55m2 stops
£954Emirates
Thu, 5 Feb - Thu, 19 Mar
Qantas Airways Logo
13:10 - 08:25
DUB
-
SYD
32h 15m2 stops
Qantas Airways Logo
06:00 - 18:55
SYD
-
DUB
23h 55m1 stop
£955Qantas Airways
Fri, 20 Feb - Fri, 6 Mar
Etihad Airways Logo
20:25 - 06:10
DUB
-
SYD
24h 45m1 stop
Etihad Airways Logo
15:40 - 07:15
SYD
-
DUB
24h 35m1 stop
£956Etihad Airways
Mon, 20 Apr - Sun, 26 Apr
Multiple Airlines Logo
10:40 - 10:45
DUB
-
SYD
37h 05m2 stops
Multiple Airlines Logo
07:05 - 16:00
SYD
-
DUB
41h 55m3 stops
£961Multiple Airlines
Mon, 16 Mar - Tue, 9 Jun
Multiple Airlines Logo
16:50 - 06:15
DUB
-
SYD
50h 25m3 stops
Multiple Airlines Logo
07:15 - 22:10
SYD
-
DUB
49h 55m3 stops
£962Multiple Airlines
Sat, 21 Feb - Sun, 15 Mar
Etihad Airways Logo
20:25 - 06:10
DUB
-
SYD
24h 45m1 stop
Etihad Airways Logo
15:40 - 18:55
SYD
-
DUB
36h 15m1 stop
£968Etihad Airways
Sat, 11 Apr - Fri, 17 Apr
Turkish Airlines Logo
06:25 - 10:45
DUB
-
SYD
41h 20m2 stops
Turkish Airlines Logo
21:15 - 22:10
SYD
-
DUB
35h 55m2 stops
£974Turkish Airlines
Sun, 18 Jan - Sun, 8 Mar
British Airways Logo
15:05 - 06:55
DUB
-
SYD
28h 50m2 stops
British Airways Logo
16:20 - 09:10
SYD
-
DUB
27h 50m2 stops
£979British Airways
Sun, 15 Feb - Tue, 3 Mar

Etihad Airways flights from Ireland to Sydney

Our best Etihad Airways deals on Ireland to Sydney flight tickets
Etihad Airways
2 Feb
DUB08:05Dublin
35h 30m
1 stop
SYD06:35Sydney Kingsford Smith
23 Feb
SYD16:35Sydney Kingsford Smith
24h 50m
1 stop
DUB06:25Dublin
Etihad Airways
20 Apr
DUB20:25Dublin
24h 45m
1 stop
SYD06:10Sydney Kingsford Smith
26 Apr
SYD15:40Sydney Kingsford Smith
24h 35m
1 stop
DUB07:15Dublin
Etihad Airways
11 Apr
DUB20:25Dublin
24h 45m
1 stop
SYD06:10Sydney Kingsford Smith
17 Apr
SYD15:40Sydney Kingsford Smith
36h 15m
1 stop
DUB18:55Dublin

Qatar Airways flights from Ireland to Sydney

Our best Qatar Airways deals on Ireland to Sydney flight tickets
Qatar Airways
10 Apr
DUB15:00Dublin
30h 15m
1 stop
SYD06:15Sydney Kingsford Smith
1 May
SYD14:50Sydney Kingsford Smith
24h 20m
1 stop
DUB06:10Dublin
Qatar Airways
20 Apr
DUB15:00Dublin
30h 15m
1 stop
SYD06:15Sydney Kingsford Smith
28 Apr
SYD12:00Sydney Kingsford Smith
27h 10m
2 stops
DUB06:10Dublin
Qatar Airways
21 Apr
DUB20:45Dublin
26h 10m
2 stops
SYD07:55Sydney Kingsford Smith
27 Apr
SYD14:50Sydney Kingsford Smith
24h 20m
1 stop
DUB06:10Dublin

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Sydney 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 279,928 searches. Data last updated 30 December 2025.
Use the filters below to find and compare flights from Ireland to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 2/2

20:50-18:35

1 stop34h 45m

Sydney Kingsford Smith

Mon 23/2

06:00-18:55

1 stop23h 55m

£952

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 6/3

08:25-18:35

1 stop23h 10m

Sydney Kingsford Smith

Fri 27/3

06:00-06:25

1 stop35h 25m

£953

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 5/2

08:25-18:35

1 stop23h 10m

Sydney Kingsford Smith

Thu 19/3

11:30-06:25

2 stops29h 55m

£954

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 20/2

13:10-08:25

2 stops32h 15m

Sydney Kingsford Smith

Fri 6/3

06:00-18:55

1 stop23h 55m

£955

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 20/4

20:25-06:10

1 stop24h 45m

Sydney Kingsford Smith

Sun 26/4

15:40-07:15

1 stop24h 35m

£956

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 16/3

10:40-10:45

2 stops37h 05m

Sydney Kingsford Smith

Tue 9/6

07:05-16:00

3 stops41h 55m

£961

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sat 21/2

16:50-06:15

3 stops50h 25m

Sydney Kingsford Smith

Sun 15/3

07:15-22:10

3 stops49h 55m

£962

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sat 11/4

20:25-06:10

1 stop24h 45m

Sydney Kingsford Smith

Fri 17/4

15:40-18:55

1 stop36h 15m

£968

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 18/1

06:25-10:45

2 stops41h 20m

Sydney Kingsford Smith

Sun 8/3

21:15-22:10

2 stops35h 55m

£974

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 15/2

15:05-06:55

2 stops28h 50m

Sydney Kingsford Smith

Tue 3/3

16:20-09:10

2 stops27h 50m

£979

Flights are sorted by cheapest return flights first.

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

See travel insights to Sydney from

How to get the cheapest flight ticket from Ireland to Sydney

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 Sydney?

In general, March is the cheapest month to fly from Ireland to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £937. If you don’t want to visit Sydney in March, then you should wait until May to fly from Ireland, when ticket prices are also cheap, with an average price of £950.

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

You are more likely to see cheaper flights to Sydney from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £1,116 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Ireland for as low as £992 on momondo.

Can stopping save me money on Ireland to Sydney flights?

You could potentially save up to 3% on your flight if you consider stops on a Ireland to Sydney flight.

Cheap Ireland to Sydney flight deals and tips

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

Fastest flight time

28h 30m

Direct flights

None
The fastest flight from Ireland to Sydney takes 28h 30m
There are no direct flights from Ireland to Sydney. There are no popular flight routes from Ireland to Sydney.
  • When did momondo last update prices for flights from Ireland to Sydney Kingsford Smith Airport?

    Prices for flights from Ireland to Sydney Kingsford Smith Airport are updated daily.

  • How many operators does momondo search for flights from Ireland to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Ireland to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport 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 license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ireland to Sydney

Compare and see reviews for airlines that fly from Ireland to Sydney with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom £620Free CancellationRating
7.5
1,830 reviews
Search SWISS flights
LufthansaPriceFrom £651Free CancellationRating
6.8
7,663 reviews
Search Lufthansa flights
British AirwaysPriceFrom £698Free CancellationRating
6.7
7,625 reviews
Search British Airways flights
Turkish AirlinesPriceFrom £800Free CancellationRating
7.3
4,131 reviews
Search Turkish Airlines flights
Etihad AirwaysPriceFrom £814Free CancellationRating
7.4
1,345 reviews
Search Etihad Airways flights
Air FrancePriceFrom £828Free CancellationRating
7.4
1,516 reviews
Search Air France flights
Qatar AirwaysPriceFrom £869Free CancellationRating
7.4
3,699 reviews
Search Qatar Airways flights
Qantas AirwaysPriceFrom £881Free CancellationRating
7.5
957 reviews
Search Qantas Airways flights
FinnairPriceFrom £898Free CancellationRating
7.6
1,343 reviews
Search Finnair flights
United AirlinesPriceFrom £964Free CancellationRating
7.4
9,122 reviews
Search United Airlines flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Coogee
Randwick
Manly
Cronulla
Leura
Katoomba
Penrith
Swansea

Why use momondo?

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

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

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

Yes. All flights to Sydney 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 Sydney?

momondo helps you find the best flight between Ireland and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Sydney from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Sydney 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
Thu 29/1
Thu 5/2

Find better results for your trip to Australia