Find flights
When to book
Airlines
FAQs

Cheap flights from Ireland to Sydney from £343

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
23 Jul — 30 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Sydney

Enter your travel dates to find the best prices.

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 23 June 2026.

Mon 7/910:55
DUB
-
SYD
1 stop37h 05m
China Eastern
Sun 15/1112:00
SYD
-
DUB
1 stop29h 15m
China Eastern
Deal found 21/6£609
Mon 31/810:55
DUB
-
SYD
1 stop40h 40m
China Eastern
Sun 13/911:00
SYD
-
DUB
1 stop30h 00m
China Eastern
Deal found 18/6£611
Mon 7/910:55
DUB
-
SYD
3 stops36h 05m
China Eastern
Tue 17/1112:00
SYD
-
DUB
1 stop29h 15m
China Eastern
Deal found 21/6£614
Wed 9/910:55
DUB
-
SYD
2 stops60h 05m
China Eastern
Wed 18/1121:30
SYD
-
DUB
1 stop43h 45m
China Eastern
Deal found 21/6£645
Mon 31/810:55
DUB
-
SYD
1 stop40h 40m
China Eastern
Wed 16/910:05
SYD
-
DUB
2 stops54h 55m
China Eastern
Deal found 18/6£648
Mon 19/1010:55
DUB
-
SYD
1 stop37h 05m
China Eastern
Sun 8/1112:00
SYD
-
DUB
1 stop29h 15m
China Eastern
Deal found 19/6£691
Fri 11/910:55
DUB
-
SYD
1 stop40h 40m
China Eastern
Mon 16/1121:30
SYD
-
DUB
1 stop43h 45m
China Eastern
Deal found 21/6£694
Fri 21/810:55
DUB
-
SYD
1 stop40h 40m
China Eastern
Mon 24/820:30
SYD
-
DUB
1 stop44h 30m
China Eastern
Deal found 21/6£695

Find flight deals from Ireland to Sydney

Keep the following information in mind while searching for Ireland to Sydney flight deals. Data was last updated 23 June 2026.

Round-trip from

£609

One-way from

£343

Popular in

July

Cheapest in

May

Average price

£1,034
China Eastern
  • China Eastern
  • 7/9-17/11
  • 2 total stops
  • 66h 20m total
  • Ireland to Sydney
Search Deals
China Eastern
  • China Eastern
  • 11/9
  • 1 total stop
  • 40h 40m total
  • Ireland to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£63 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 858,174 searches. Data last updated 23 June 2026.
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

Cheapest return flight

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 8/9

08:55-09:00

2 stops39h 05m

Sydney Kingsford Smith

Mon 28/9

20:30-08:00

1 stop44h 30m

£1,039

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 8/9

05:35-20:30

2 stops29h 55m

Sydney Kingsford Smith

Thu 8/10

08:55-09:35

3 stops34h 40m

£1,070

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 8/9

17:20-06:30

3 stops28h 10m

Sydney Kingsford Smith

Sun 27/9

11:40-10:25

3 stops31h 45m

£1,512

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 9/9

17:20-06:30

3 stops28h 10m

Sydney Kingsford Smith

Wed 14/10

15:45-08:15

2 stops26h 30m

£2,467

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 25/8

17:20-06:20

2 stops28h 00m

Sydney Kingsford Smith

Sun 4/10

12:40-10:25

3 stops31h 45m

£2,512

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 18/8

17:20-06:30

3 stops28h 10m

Sydney Kingsford Smith

Thu 17/9

11:00-08:15

2 stops30h 15m

£2,743
Fastest return journey

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 25/8

14:20-22:05

1 stop22h 45m

Sydney Kingsford Smith

Sun 4/10

21:45-12:20

1 stop24h 35m

£3,210

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 23/8

18:00-05:10

2 stops26h 10m

Sydney Kingsford Smith

Wed 30/9

08:20-09:40

3 stops34h 20m

£3,275
Cheapest one-way

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 2/9

10:55-08:00

2 stops60h 05m

£348

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 11/9

10:55-09:00

1 stop37h 05m

£383

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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, August is the cheapest month in which you can book a flight from Ireland to Sydney (average of £382). Flying from Ireland to Sydney in July is currently the most expensive (average of £906). 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.

How far ahead should I book a flight from Ireland to Sydney?

The price you pay for your flight from Ireland to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 31 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 23 June 2026.
See what other customers who have flown with Emirates,Turkish Airlines, andQatar Airways from Ireland to Sydney have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,594 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Emirates
8.1
Very Good
3,594 reviews
Emirates
8.1
Very Good
3,594 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Turkish Airlines
7.4
Good
4,414 reviews
Emirates
8.1
Very Good
3,594 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Qatar Airways
7.3
Good
3,730 reviews
Emirates
8.1
Very Good
3,594 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
Etihad Airways
7.3
Good
1,461 reviews
Emirates
8.1
Very Good
3,594 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative
British Airways
6.7
Okay
8,065 reviews
Emirates
8.1
Very Good
3,594 reviews
Check prices

Overall

8.1

Comfort

8.0

Food

7.9

Crew

8.4

Entertainment

8.2

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

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?

    Located just 4.6 mi from the city center, Sydney Kingsford Smith (SYD) is the airport most travelers will use when flying to Sydney from Ireland.

  • How long is the flight from Ireland to Sydney?

    For as low as £1,512, China Eastern can have you in Sydney from Ireland in 28h 10m. Airlines will cover a distance of 10688 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    To fly one-way, consider booking your trip with Etihad Airways, which is currently one of the cheapest options available, starting at £376. Emirates flights start at £507 while deals on Qantas Airways start at £513 one-way.

  • 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, August is the cheapest month in which you can book a flight from Ireland to Sydney (average of £382). Flying from Ireland to Sydney in July is currently the most expensive (average of £906). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Parramatta
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Ireland to Sydney

Discover the top 10 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 858,174 searches. Data last updated 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£691Average£878FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£706Average£758FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest£712Average£952FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Etihad AirwaysCheapest£803Average£955FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest£832Average£982FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest£869Average£1,093FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapest£899Average£1,227FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EmiratesCheapest£960Average£1,326FlexibilityNo cancel feeOn-time75%
Search Emirates flights
United AirlinesCheapest£1,054Average£1,265FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air FranceCheapest£1,070Average£1,349FlexibilityNo cancel feeOn-time77%
Search Air France 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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Ireland today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ireland to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Sydney flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.