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Cheap flights from Dublin to Sydney from $686

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from Dublin to Sydney Kingsford Smith are usually found in March or May, booked 48 days in advance, depart on a Friday or Tuesday and return on a Tuesday

Cheap flight deals from Dublin to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 April 2025.

Round-trip from

$1,878

One-way from

$686

Popular in

December

Cheapest in

March

Average price

$2,385
Etihad Airways
  • Etihad Airways
  • 14/5-19/5
  • 3 total stops
  • 101h 40m total
  • Dublin to Sydney
21/5
  • 21/5
  • 2 total stops
  • 59h 00m total
  • Dublin to Sydney
Highest demand for flights based on searches. 13% potential increase in price ($612 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease ($156 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Dublin to Sydney

Cheapest flights from Dublin to Sydney
Explore the most affordable flight options available from Dublin to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 April 2025.

Wed 14/518:15DUB - SYD
2 stops59h 00mMultiple Airlines
Mon 19/521:30SYD - DUB
1 stop42h 40mMultiple Airlines
Deal found 14/4$1,878
Wed 14/509:05DUB - SYD
1 stop22h 50mEtihad Airways
Mon 19/521:30SYD - DUB
1 stop42h 40mEtihad Airways
Deal found 15/4$1,879
Fri 28/1114:40DUB - SYD
2 stops42h 05mTurkish Airlines
Sat 13/1221:40SYD - DUB
2 stops47h 15mTurkish Airlines
Deal found 14/4$1,959
Thu 1/510:40DUB - SYD
2 stops33h 40mBritish Airways
Wed 14/514:40SYD - DUB
2 stops28h 05mBritish Airways
Deal found 14/4$2,008
Mon 19/515:55DUB - SYD
2 stops28h 15mAir France
Tue 3/614:50SYD - DUB
2 stops26h 25mAir France
Deal found 14/4$2,019
Mon 19/508:15DUB - SYD
1 stop23h 55mQatar Airways
Tue 3/611:00SYD - DUB
2 stops28h 45mQatar Airways
Deal found 14/4$2,035
Tue 3/620:45DUB - SYD
2 stops51h 35mXiamenAir
Sat 28/611:25SYD - DUB
2 stops44h 00mXiamenAir
Deal found 14/4$2,068
Tue 2/1218:40DUB - SYD
2 stops25h 35mSWISS
Tue 30/1215:15SYD - DUB
2 stops31h 50mSWISS
Deal found 15/4$2,071
Mon 12/517:20DUB - SYD
2 stops28h 20mKLM
Sun 7/910:20SYD - DUB
2 stops31h 00mKLM
Deal found 14/4$2,130
Fri 16/509:20DUB - SYD
1 stop37h 00mAir Canada
Tue 9/909:20SYD - DUB
2 stops55h 25mAir Canada
Deal found 14/4$2,206
Sat 10/510:40DUB - SYD
2 stops38h 40mLufthansa
Thu 4/915:00SYD - DUB
2 stops37h 15mLufthansa
Deal found 14/4$2,242
Sat 10/513:35DUB - SYD
2 stops32h 25mUnited Airlines
Sun 7/909:30SYD - DUB
2 stops33h 50mUnited Airlines
Deal found 14/4$2,259

Cheapflights Fare Finder

Customise your flight search to find flights from Dublin 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 15 April 2025.
Use the filters below to find and compare flights from Dublin to Sydney that are best for you.

Fly from

Dublin

Fly to

Sydney

Route

Depart

Return

Price

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 14/5

18:15-14:15

2 stops59h 00m

Sydney Kingsford Smith

Mon 19/5

21:30-07:10

1 stop42h 40m

$1,878

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 14/5

09:05-16:55

1 stop22h 50m

Sydney Kingsford Smith

Mon 19/5

21:30-07:10

1 stop42h 40m

$1,879

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 1/5

10:40-05:20

2 stops33h 40m

Sydney Kingsford Smith

Wed 14/5

14:40-09:45

2 stops28h 05m

$2,008

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 19/5

15:55-05:10

2 stops28h 15m

Sydney Kingsford Smith

Tue 3/6

14:50-08:15

2 stops26h 25m

$2,019

DublinSydney

DUB - SYD

DUBSYD

Dublin

Wed 30/4

17:00-19:00

2 stops41h 00m

Sydney Kingsford Smith

Sun 18/5

20:55-12:35

2 stops48h 40m

$2,024

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 19/5

08:15-17:10

1 stop23h 55m

Sydney Kingsford Smith

Tue 3/6

11:00-06:45

2 stops28h 45m

$2,035

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 3/6

20:45-09:20

2 stops51h 35m

Sydney Kingsford Smith

Sat 28/6

11:25-22:25

2 stops44h 00m

$2,068

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 12/5

17:20-06:40

2 stops28h 20m

Sydney Kingsford Smith

Sun 7/9

10:20-08:20

2 stops31h 00m

$2,130

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 16/5

09:20-07:20

1 stop37h 00m

Sydney Kingsford Smith

Tue 9/9

09:20-07:45

2 stops55h 25m

$2,206

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sat 10/5

10:40-10:20

2 stops38h 40m

Sydney Kingsford Smith

Thu 4/9

15:00-19:15

2 stops37h 15m

$2,242

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 26 results
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Best time to book a flight from Dublin to Sydney

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

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

Use this chart to determine the optimal time to book a return flight from Dublin to Sydney. Price data was last updated on 11 April 2025.

The price you pay for your flight from Dublin to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Dublin to Sydney (average of $129). Flying from Dublin 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 DUB to SYD?

Find hourly flight availability from Dublin 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 15 April 2025.

A simple way to save on the total cost of your ticket is to fly from Dublin to Sydney in the afternoon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Dublin to Sydney?

Use this chart to determine the cheapest time to fly return from Dublin to Sydney. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Dublin to Sydney flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 15 April 2025.
Read reviews from past customers who have flown Emirates, KLM and Finnair from Dublin to Sydney. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

8.2

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.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

8.2

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.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

8.2

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.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

8.2

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.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

8.2

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.

Crew

8.3

Food

7.8

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

8.2

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 Dublin to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Dublin to Sydney round-trip?

    Our cheapest airline available from Dublin to Sydney is Etihad Airways. Our recent data shows that you can find tickets from as low as $1,879 on this airline. Additional options worth looking into are British Airways and Air France, starting at $2,008 and $2,019 round-trip. You may be able to fly from Dublin to Sydney for 24% less than the average price by searching for these airlines.

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

    The cheapet airlines for a one-way flight from Dublin to Sydney are SWISS ($1,047), XiamenAir ($1,276), and Lufthansa ($1,360).

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Dublin to Sydney (average of $129). Flying from Dublin 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 Dublin?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Dublin to Sydney

Discover the top 9 airlines that operate flights from Dublin 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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$1,466Average$1,646FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest$1,692Average$1,903FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
British AirwaysCheapest$1,838Average$2,218FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest$2,085Average$2,114FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest$2,095Average$2,364FlexibilityNo cancel feeOn-time77%
Search Air France flights
Qatar AirwaysCheapest$2,134Average$3,025FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Etihad AirwaysCheapest$2,359Average$3,403FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qantas AirwaysCheapest$2,911Average$3,803FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EmiratesCheapest$2,930Average$3,749FlexibilityNo 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 Dublin to Sydney?

When you search for this flight from Dublin to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Sydney from Dublin by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Dublin 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 Dublin to Sydney become cheaper?

Yes! Start tracking prices for Dublin to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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