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Cheap flights from Sydney to Ireland from $630

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — DUB
14 Sep — 21 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Ireland
Explore the most affordable flight options available from Sydney to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 August 2026.

Thu 19/1112:00 -
1 stop29h 15m
Wed 25/1109:00 -
1 stop38h 00m
Deal found 13/8$1,294
Tue 15/911:00 -
1 stop30h 00m
Wed 30/910:55 -
3 stops60h 05m
Deal found 13/8$1,297
Wed 11/1113:25 -
2 stops53h 20m
Mon 23/1109:00 -
1 stop41h 35m
Deal found 13/8$1,304
Wed 16/920:30 -
1 stop44h 30m
Wed 30/910:55 -
1 stop40h 40m
Deal found 13/8$1,327
Fri 16/1016:40 -
1 stop24h 35m
Fri 30/1009:00 -
1 stop38h 00m
Deal found 9/8$1,357
Sun 13/911:00 -
1 stop30h 00m
Mon 28/910:55 -
1 stop37h 05m
Deal found 10/8$1,372
Wed 14/1021:30 -
1 stop44h 30m
Mon 26/1009:00 -
1 stop38h 00m
Deal found 10/8$1,378
Thu 1/1020:50 -
2 stops35h 30m
Wed 14/1010:55 -
3 stops60h 05m
Deal found 12/8$1,388
Thu 8/1021:35 -
1 stop31h 30m
Wed 21/1010:55 -
1 stop40h 40m
Deal found 12/8$1,389
Wed 18/1115:15 -
2 stops30h 55m
Sun 22/1107:40 -
2 stops36h 15m
Deal found 13/8$2,005
Wed 23/915:40 -
2 stops34h 15m
Sun 27/918:00 -
2 stops30h 00m
Deal found 12/8$2,014
Tue 22/915:40 -
2 stops26h 50m
Tue 29/916:10 -
2 stops31h 50m
Deal found 12/8$2,072

Find flight deals from Sydney to Ireland

Keep the following information in mind while searching for Sydney to Ireland flight deals. Data was last updated 15 August 2026.

Round-trip from

$1,294

One-way from

$630

Popular in

December

Cheapest in

October

Average price

$1,919
China Eastern
  • China Eastern
  • 19/11-25/11
  • 2 total stops
  • 67h 15m total
  • Sydney to Ireland
Search Deals
China Eastern
  • China Eastern
  • 9/9
  • 1 total stop
  • 44h 30m total
  • Sydney to Ireland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($481 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($112 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Ireland 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 15 August 2026.
Use the filters below to find and compare flights from Sydney to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneyDublin

SYD Sydney Kingsford Smith - DUB Dublin

SYDDUB

Sydney Kingsford Smith

Thu 12/11

16:20-14:55

2 stops33h 35m

Dublin

Mon 16/11

15:10-06:55

2 stops28h 45m

$1,673
Fastest return journey

SydneyDublin

SYD Sydney Kingsford Smith - DUB Dublin

SYDDUB

Sydney Kingsford Smith

Thu 12/11

21:30-18:10

1 stop31h 40m

Dublin

Mon 16/11

19:45-06:30

1 stop23h 45m

$1,686

SydneyDublin

SYD Sydney Kingsford Smith - DUB Dublin

SYDDUB

Sydney Kingsford Smith

Thu 5/11

21:30-18:10

1 stop31h 40m

Dublin

Mon 9/11

19:45-06:30

1 stop23h 45m

$1,687

SydneyDublin

SYD Sydney Kingsford Smith - DUB Dublin

SYDDUB

Sydney Kingsford Smith

Thu 10/9

10:00-09:40

2 stops32h 40m

Dublin

Thu 17/9

05:45-19:10

2 stops28h 25m

$1,889

SydneyDublin

SYD Sydney Kingsford Smith - DUB Dublin

SYDDUB

Sydney Kingsford Smith

Mon 31/8

10:15-00:35

3 stops47h 20m

Dublin

Fri 4/9

10:55-12:35

1 stop40h 40m

$1,974

SydneyDublin

SYD Sydney Kingsford Smith - DUB Dublin

SYDDUB

Sydney Kingsford Smith

Tue 1/9

14:35-23:05

2 stops41h 30m

Dublin

Tue 15/9

05:35-19:10

2 stops28h 35m

$1,980

SydneyCork

SYD Sydney Kingsford Smith - ORK Cork

SYDORK

Sydney Kingsford Smith

Wed 18/11

15:15-11:10

2 stops30h 55m

Cork

Sun 22/11

07:40-06:55

2 stops36h 15m

$2,007

SydneyCork

SYD Sydney Kingsford Smith - ORK Cork

SYDORK

Sydney Kingsford Smith

Mon 7/9

14:50-10:45

2 stops28h 55m

Cork

Mon 14/9

16:10-06:30

2 stops29h 20m

$2,189

SydneyDublin

SYD Sydney Kingsford Smith - DUB Dublin

SYDDUB

Sydney Kingsford Smith

Mon 14/9

09:30-09:45

2 stops57h 15m

Dublin

Sat 3/10

12:30-06:55

2 stops33h 25m

$2,300

SydneyCork

SYD Sydney Kingsford Smith - ORK Cork

SYDORK

Sydney Kingsford Smith

Fri 27/11

15:50-15:25

2 stops34h 35m

Cork

Thu 31/12

17:35-18:20

2 stops37h 45m

$2,356

Flights are sorted by cheapest return flights first.

Deals found on 14/8

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Sydney to Ireland

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

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

Currently, October is the cheapest month in which you can book a flight from Sydney to Ireland (average of $1,734). Flying from Sydney to Ireland in December is currently the most expensive (average of $2,962). 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 Sydney to Ireland?

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Ireland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated 15 August 2026.
Read through reviews of airlines operating flights from Sydney to Ireland, such as Emirates,Qantas Airways, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,655 reviews
Check prices

Food

7.9

Boarding

8.2

Comfort

8.0

Crew

8.4

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Emirates
8.1
Very Good
3,655 reviews
Emirates
8.1
Very Good
3,655 reviews
Check prices

Food

7.9

Boarding

8.2

Comfort

8.0

Crew

8.4

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Qantas Airways
7.5
Good
1,082 reviews
Emirates
8.1
Very Good
3,655 reviews
Check prices

Food

7.9

Boarding

8.2

Comfort

8.0

Crew

8.4

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Qatar Airways
7.4
Good
3,739 reviews
Emirates
8.1
Very Good
3,655 reviews
Check prices

Food

7.9

Boarding

8.2

Comfort

8.0

Crew

8.4

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
Etihad Airways
7.3
Good
1,505 reviews
Emirates
8.1
Very Good
3,655 reviews
Check prices

Food

7.9

Boarding

8.2

Comfort

8.0

Crew

8.4

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.
British Airways
6.7
Okay
8,163 reviews
Emirates
8.1
Very Good
3,655 reviews
Check prices

Food

7.9

Boarding

8.2

Comfort

8.0

Crew

8.4

Overall

8.1

Entertainment

8.2

Reviews

1 / 20
6.0
Good

Jodie,Aug 2026

SYD - DXB

Overall it was a good flight with great service, however we paid for extra legroom only to find that the seat my husband was on was extremely small, it was the “window” seat. It seemed smaller than a regular seat so definitely not worth the amount we paid.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Ireland. 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 from for flights from Sydney to Ireland?

    For a flight from Sydney to Ireland, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city.

  • How long is the flight from Sydney to Ireland?

    For as low as $1,686, British Airways can have you in Ireland from Sydney in 31h 40m. The distance from Sydney to Ireland is about 17201 km. This flight may include one or multiple stops.

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

    The cheapet airlines for a one-way flight from Sydney to Ireland are Etihad Airways ($597), China Eastern ($626), and Turkish Airlines ($965).

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Sydney to Ireland (average of $1,734). Flying from Sydney to Ireland in December is currently the most expensive (average of $2,962). 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

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 Sydney to Ireland

Discover the top 10 airlines that operate flights from Sydney to Ireland. 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 15 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AustraliaCheapest$1,085Average$2,189FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
China EasternCheapest$1,172Average$1,520FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest$1,246Average$1,918FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Turkish AirlinesCheapest$1,391Average$1,697FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Air CanadaCheapest$1,500Average$2,338FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qatar AirwaysCheapest$1,517Average$2,124FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest$1,559Average$2,047FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest$1,699Average$2,550FlexibilityNo cancel feeOn-time77%
Search Air France flights
Qantas AirwaysCheapest$1,745Average$2,294FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,750Average$1,967FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 Sydney to Ireland?

Cheapflights makes it easy to find Sydney to Ireland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to Ireland.

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

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