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Cheap flights from Ireland to Sydney from $724

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 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to Sydney

Recent return flight deals from Ireland to Sydney

Logo
13:40 - 09:00DUB-SYD
34h 20m2 stops
Logo
20:30 - 22:55SYD-DUB
35h 25m2 stops
$1,452
Find Deal
Wed, 3 Sep - Wed, 10 Sep
Logo
13:20 - 07:15DUB-SYD
30h 55m2 stops
Logo
15:35 - 10:05SYD-DUB
29h 30m2 stops
$1,460
Find Deal
Mon, 1 Dec - Thu, 22 Jan
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
British Airways Logo
07:40 - 05:20SNN-SYD
36h 40m2 stops
British Airways Logo
14:40 - 16:10SYD-SNN
34h 30m2 stops
$1,980British Airways
Find Deal
Mon, 8 Sep - Tue, 23 Sep
British Airways Logo
21:15 - 05:20SNN-SYD
47h 05m2 stops
British Airways Logo
14:40 - 11:20SYD-SNN
29h 40m2 stops
$1,987British Airways
Find Deal
Tue, 9 Sep - Tue, 23 Sep
Air France Logo
15:25 - 05:10ORK-SYD
28h 45m2 stops
Air France Logo
14:50 - 14:40SYD-ORK
32h 50m2 stops
$2,109Air France
Find Deal
Mon, 15 Sep - Wed, 24 Sep
Air France Logo
15:25 - 06:10ORK-SYD
28h 45m2 stops
Air France Logo
14:30 - 14:45SYD-ORK
35h 15m2 stops
$2,765Air France
Find Deal
Thu, 16 Oct - Thu, 27 Nov

Air Canada flights from Ireland to Sydney

Our best Air Canada deals on Ireland to Sydney flight tickets
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
$3,034
Find similar
Air Canada
13 Aug
DUB09:50Dublin
36h 30m
2 stops
SYD07:20Sydney Kingsford Smith
27 Aug
SYD09:20Sydney Kingsford Smith
31h 25m
3 stops
DUB07:45Dublin
$5,280
Find similar
Air Canada
20 Aug
DUB09:20Dublin
37h 00m
1 stop
SYD07:20Sydney Kingsford Smith
24 Aug
SYD09:20Sydney Kingsford Smith
31h 55m
2 stops
DUB08:15Dublin
$5,704
Find similar

Hainan Airlines flights from Ireland to Sydney

Our best Hainan Airlines deals on Ireland to Sydney 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
$1,522
Find similar
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
$1,526
Find similar
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
$1,530
Find similar

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 78,305 searches. Data last updated 6 August 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

Wed 3/9

13:40-09:00

2 stops34h 20m

Sydney Kingsford Smith

Wed 10/9

20:30-22:55

2 stops35h 25m

$1,452

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 1/12

13:20-07:15

2 stops30h 55m

Sydney Kingsford Smith

Thu 22/1

15:35-10:05

2 stops29h 30m

$1,460

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

ShannonSydney

SNN - SYD

SNNSYD

Shannon

Mon 8/9

07:40-05:20

2 stops36h 40m

Sydney Kingsford Smith

Tue 23/9

14:40-16:10

2 stops34h 30m

$1,980

ShannonSydney

SNN - SYD

SNNSYD

Shannon

Tue 9/9

21:15-05:20

2 stops47h 05m

Sydney Kingsford Smith

Tue 23/9

14:40-11:20

2 stops29h 40m

$1,987

CorkSydney

ORK - SYD

ORKSYD

Cork

Mon 15/9

15:25-05:10

2 stops28h 45m

Sydney Kingsford Smith

Wed 24/9

14:50-14:40

2 stops32h 50m

$2,109

CorkSydney

ORK - SYD

ORKSYD

Cork

Thu 16/10

15:25-06:10

2 stops28h 45m

Sydney Kingsford Smith

Thu 27/11

14:30-14:45

2 stops35h 15m

$2,765

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of March is, on average, the cheapest month to fly to Sydney from Ireland, with most prices found around $1,953. If you aren’t able to travel to Sydney during the month of March, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $2,007.

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

Our data shows that Friday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,340. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,924.

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

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Ireland to Sydney 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. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $3,305 on average. Flights to Sydney from Ireland in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $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 Sydney from Ireland for as low as $2,168 on momondo.

Can stopping save me money on Ireland to Sydney flights?

You could potentially save up to 19% 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

Best price found

$724

Fastest flight time

22h 30m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Ireland in the past 72 hours is $724. The best return flight deal from Ireland to Sydney found on momondo in the last 72 hours is $1,452.
The fastest flight from Ireland to Sydney takes 22h 30m
There are no direct flights from Ireland to Sydney. Popular non-direct routes for this connection are Cork Airport - Sydney Kingsford Smith Airport and Dublin Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • 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 refresh 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 stopovers 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 travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport 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 licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted 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 $1,396Free cancellationRating
7.6
1,689 reviews
Search SWISS flights
Turkish AirlinesPriceFrom $1,750Free cancellationRating
7.3
3,934 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $1,803Free cancellationRating
6.6
7,237 reviews
Search British Airways flights
Air FrancePriceFrom $1,821Free cancellationRating
7.5
1,466 reviews
Search Air France flights
Etihad AirwaysPriceFrom $1,829Free cancellationRating
7.4
1,232 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $2,035Free cancellationRating
7.4
3,608 reviews
Search Qatar Airways flights
EmiratesPriceFrom $2,725Free cancellationRating
8.1
3,304 reviews
Search Emirates flights

Travelling to a place near Sydney?

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

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Ireland to Sydney flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Ireland.

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

Yes momondo offers price alerts on flights to Sydney from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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