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Cheap flights from Ireland to Sydney from $855

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Ireland to Sydney

Keep the following information in mind while searching for Ireland to Sydney flight deals. Data was last updated 13 June 2025.

Round-trip from

$1,372

One-way from

$855

Popular in

December

Cheapest in

March

Average price

$2,235
23/9-23/10
  • 23/9-23/10
  • 4 total stops
  • 74h 40m total
  • Ireland to Sydney
Search Deals
15/10
  • 15/10
  • 2 total stops
  • 42h 20m total
  • Ireland to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($563 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($154 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ireland to Sydney

Cheapest flights from Ireland to Sydney
Explore the most affordable flight options available from Ireland to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Tue 23/911:45ORK - SYD
2 stops32h 35mMultiple Airlines
Thu 23/1015:40SYD - ORK
2 stops42h 05mMultiple Airlines
Deal found 11/6$1,372
Wed 10/907:40SNN - SYD
2 stops36h 40mBritish Airways
Wed 8/1015:40SYD - SNN
2 stops34h 30mBritish Airways
Deal found 12/6$1,581
Tue 2/916:15ORK - SYD
2 stops28h 55mBritish Airways
Tue 23/914:40SYD - ORK
2 stops29h 05mBritish Airways
Deal found 12/6$1,586
Thu 3/715:25DUB - SYD
2 stops28h 55mBritish Airways
Thu 10/714:40SYD - DUB
2 stops30h 15mBritish Airways
Deal found 12/6$1,893
Sun 28/1205:10DUB - SYD
2 stops28h 40mMultiple Airlines
Sun 18/116:10SYD - DUB
2 stops27h 15mMultiple Airlines
Deal found 12/6$1,897
Wed 31/1212:50DUB - SYD
2 stops31h 50mSWISS
Tue 20/116:10SYD - DUB
2 stops30h 50mSWISS
Deal found 12/6$1,902
Tue 30/1217:55DUB - SYD
2 stops26h 45mLufthansa
Thu 15/119:10SYD - DUB
2 stops48h 20mLufthansa
Deal found 12/6$1,905
Thu 18/909:05DUB - SYD
2 stops39h 40mEtihad Airways
Sat 18/1021:30SYD - DUB
1 stop31h 25mEtihad Airways
Deal found 12/6$1,908
Fri 28/1115:25DUB - SYD
2 stops41h 25mTurkish Airlines
Sat 13/1221:45SYD - DUB
2 stops28h 45mTurkish Airlines
Deal found 11/6$1,990
Thu 6/1114:10DUB - SYD
1 stop29h 40mQatar Airways
Sat 22/1121:40SYD - DUB
1 stop25h 55mQatar Airways
Deal found 11/6$2,000
Wed 10/921:15SNN - SYD
3 stops36h 45mMultiple Airlines
Wed 8/1021:55SYD - SNN
3 stops32h 40mMultiple Airlines
Deal found 12/6$2,086
Tue 17/612:00DUB - SYD
2 stops41h 15mHainan Airlines
Thu 3/721:00SYD - DUB
2 stops43h 00mHainan Airlines
Deal found 11/6$2,172

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Ireland to Sydney that are best for you.

Fly from

Ireland

Fly to

Sydney

Route

Depart

Return

Price

CorkSydney

ORK - SYD

ORKSYD

Cork

Tue 23/9

11:45-05:20

2 stops32h 35m

Sydney Kingsford Smith

Thu 23/10

15:40-23:45

2 stops42h 05m

$1,372

CorkSydney

ORK - SYD

ORKSYD

Cork

Tue 23/9

07:20-05:20

2 stops37h 00m

Sydney Kingsford Smith

Thu 23/10

15:40-23:45

2 stops42h 05m

$1,489

ShannonSydney

SNN - SYD

SNNSYD

Shannon

Wed 10/9

07:40-05:20

2 stops36h 40m

Sydney Kingsford Smith

Wed 8/10

15:40-16:10

2 stops34h 30m

$1,581

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 3/7

15:25-05:20

2 stops28h 55m

Sydney Kingsford Smith

Thu 10/7

14:40-11:55

2 stops30h 15m

$1,893

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 18/9

09:05-09:45

2 stops39h 40m

Sydney Kingsford Smith

Sat 18/10

21:30-18:55

1 stop31h 25m

$1,908

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 28/11

18:35-07:15

2 stops25h 40m

Sydney Kingsford Smith

Fri 12/12

15:15-16:25

2 stops36h 10m

$1,919

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 2/12

17:55-21:15

2 stops40h 20m

Sydney Kingsford Smith

Tue 30/12

15:15-11:00

2 stops30h 45m

$1,942

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 28/11

15:25-19:50

2 stops41h 25m

Sydney Kingsford Smith

Sat 13/12

21:45-15:30

2 stops28h 45m

$1,990

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 6/11

14:10-06:50

1 stop29h 40m

Sydney Kingsford Smith

Sat 22/11

21:40-12:35

1 stop25h 55m

$2,000

ShannonSydney

SNN - SYD

SNNSYD

Shannon

Wed 10/9

21:15-19:00

3 stops36h 45m

Sydney Kingsford Smith

Wed 8/10

21:55-20:35

3 stops32h 40m

$2,086

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 31 results
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Best time to book a flight from Ireland to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Currently, May is the cheapest month in which you can book a flight from Ireland to Sydney (average of $129). Flying from Ireland to Sydney in October is currently the most expensive (average of $171). 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 SYD?

Find hourly flight availability from Ireland to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Sydney as you normally would.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney 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 Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, 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).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 13 June 2025.
Get a feel of what it's like to fly with Emirates, Hainan Airlines and KLM from Ireland to Sydney by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
Emirates
8.1
Very Good
3,265 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
Hainan Airlines
8.1
Very Good
39 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
KLM
7.8
Good
1,358 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
Finnair
7.6
Good
1,290 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.
SWISS
7.5
Good
1,624 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2025

DXB - BCN

One person Mr Chopra was great. Constantly trying to manage a lot with a smile. Others not so great. The forgot meals on some tables. Service delayed. Experience is going down a bit.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Ireland?

    If you book a flight to Sydney from Ireland, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney.

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

    $1,053 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Air India and SWISS, with prices starting from $1,085 and $1,162, respectively.

  • What are the most popular routes from Ireland to Sydney?

    The most popular route from Ireland to Sydney is Dublin - Sydney Kingsford Smith. You may also consider Shannon - Sydney Kingsford Smith or Cork - Sydney Kingsford Smith.

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

    Yes. In addition to deals on Ireland to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Sydney.

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

    Yes. Cheapflights offers flight deals from Ireland to Sydney 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 Sydney?

    Currently, May is the cheapest month in which you can book a flight from Ireland to Sydney (average of $129). Flying from Ireland to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Ireland?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ireland to Sydney

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Top 8 airlines flying from Ireland to Sydney

Discover the top 8 airlines that operate flights from Ireland to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$1,493Average$1,596FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest$1,737Average$2,329FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest$1,790Average$2,332FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest$1,808Average$2,230FlexibilityNo cancel feeOn-time77%
Search Air France flights
Qatar AirwaysCheapest$2,069Average$2,906FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Etihad AirwaysCheapest$2,287Average$3,299FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qantas AirwaysCheapest$2,822Average$3,687FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EmiratesCheapest$2,841Average$3,841FlexibilityNo cancel feeOn-time75%
Search Emirates flights

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 Sydney?

Cheapflights helps you search for flights from Ireland to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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 Sydney from Ireland.

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

Yes, we can. To see specific flights from Ireland to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from Ireland to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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