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Cheap flights from Dublin to Sydney from $831

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SYD
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Dublin to Sydney Kingsford Smith are usually found in March or May, booked 53 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 29 April 2025.

Round-trip from

$1,842

One-way from

$831

Popular in

December

Cheapest in

March

Average price

$2,357
4/6-11/6
  • 4/6-11/6
  • 5 total stops
  • 60h 15m total
  • Dublin to Sydney
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16/9
  • 16/9
  • 2 total stops
  • 42h 20m total
  • Dublin to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($572 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($150 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 29 April 2025.

Wed 4/617:20DUB - SYD
3 stops31h 50mMultiple Airlines
Wed 11/612:50SYD - DUB
2 stops28h 25mMultiple Airlines
Deal found 28/4$1,842
Sun 31/810:55DUB - SYD
2 stops33h 25mBritish Airways
Sun 28/914:40SYD - DUB
2 stops32h 35mBritish Airways
Deal found 28/4$1,852
Tue 2/1219:55DUB - SYD
1 stop35h 40mEtihad Airways
Tue 20/116:20SYD - DUB
1 stop25h 30mEtihad Airways
Deal found 28/4$1,867
Wed 31/1212:55DUB - SYD
2 stops31h 45mSWISS
Mon 19/112:15SYD - DUB
2 stops40h 35mSWISS
Deal found 28/4$1,923
Thu 5/617:45DUB - SYD
2 stops31h 35mLufthansa
Tue 24/614:05SYD - DUB
2 stops35h 50mLufthansa
Deal found 28/4$1,925
Mon 5/508:15DUB - SYD
1 stop23h 55mQatar Airways
Sun 18/508:00SYD - DUB
2 stops31h 45mQatar Airways
Deal found 29/4$1,941
Thu 12/615:55DUB - SYD
2 stops28h 15mAir France
Thu 19/614:50SYD - DUB
2 stops26h 25mAir France
Deal found 28/4$2,009
Fri 28/1116:50DUB - SYD
2 stops39h 55mTurkish Airlines
Sat 13/1221:40SYD - DUB
2 stops29h 10mTurkish Airlines
Deal found 29/4$2,012
Tue 13/518:00DUB - SYD
2 stops27h 40mFinnair
Mon 8/912:45SYD - DUB
2 stops37h 30mFinnair
Deal found 27/4$2,065
Mon 12/513:20DUB - SYD
2 stops30h 50mKLM
Sun 7/910:20SYD - DUB
2 stops31h 00mKLM
Deal found 27/4$2,101
Sun 11/509:20DUB - SYD
1 stop37h 00mAir Canada
Tue 9/909:20SYD - DUB
2 stops55h 25mAir Canada
Deal found 27/4$2,176
Sat 10/513:35DUB - SYD
2 stops32h 25mUnited Airlines
Thu 4/909:30SYD - DUB
2 stops34h 40mUnited Airlines
Deal found 27/4$2,231

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 29 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 4/6

17:20-10:10

3 stops31h 50m

Sydney Kingsford Smith

Wed 11/6

12:50-08:15

2 stops28h 25m

$1,842

DublinSydney

DUB - SYD

DUBSYD

Dublin

Sun 31/8

10:55-05:20

2 stops33h 25m

Sydney Kingsford Smith

Sun 28/9

14:40-14:15

2 stops32h 35m

$1,852

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 5/6

17:45-10:20

2 stops31h 35m

Sydney Kingsford Smith

Tue 24/6

14:05-16:55

2 stops35h 50m

$1,925

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 9/5

13:35-19:00

2 stops44h 25m

Sydney Kingsford Smith

Thu 22/5

20:55-09:35

2 stops45h 40m

$1,941

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

$1,956

DublinSydney

DUB - SYD

DUBSYD

Dublin

Fri 9/5

09:05-18:00

1 stop23h 55m

Sydney Kingsford Smith

Thu 22/5

21:30-07:10

1 stop42h 40m

$1,997

DublinSydney

DUB - SYD

DUBSYD

Dublin

Thu 12/6

15:55-05:10

2 stops28h 15m

Sydney Kingsford Smith

Thu 19/6

14:50-08:15

2 stops26h 25m

$2,009

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 3/6

18:40-05:55

2 stops26h 15m

Sydney Kingsford Smith

Tue 24/6

14:05-12:10

2 stops31h 05m

$2,064

DublinSydney

DUB - SYD

DUBSYD

Dublin

Tue 13/5

18:00-06:40

2 stops27h 40m

Sydney Kingsford Smith

Mon 8/9

12:45-17:15

2 stops37h 30m

$2,065

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 12/5

13:20-05:10

2 stops30h 50m

Sydney Kingsford Smith

Sun 7/9

10:20-08:20

2 stops31h 00m

$2,101

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 25 results
1
2
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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 25 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 53 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 29 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 29 April 2025.
Read reviews from past customers who have flown Hainan Airlines, Emirates and KLM 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.
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Boarding

8.6

Crew

9.0

Comfort

8.1

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.1
Very Good
38 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Boarding

8.6

Crew

9.0

Comfort

8.1

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Emirates
8.0
Very Good
3,213 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Boarding

8.6

Crew

9.0

Comfort

8.1

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
KLM
7.8
Good
1,333 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Boarding

8.6

Crew

9.0

Comfort

8.1

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Finnair
7.6
Good
1,273 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Boarding

8.6

Crew

9.0

Comfort

8.1

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
SWISS
7.5
Good
1,588 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Boarding

8.6

Crew

9.0

Comfort

8.1

Food

8.5

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 British Airways. Our recent data shows that you can find tickets from as low as $1,852 on this airline. Additional options worth looking into are Lufthansa and Turkish Airlines, starting at $1,925 and $1,941 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 Hainan Airlines ($1,155), Lufthansa ($1,199), and Air Canada ($1,280).

  • 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.
Cork to Sydney flights
Shannon to Sydney flights

Top 7 airlines flying from Dublin to Sydney

Discover the top 7 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$1,446Average$1,623FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest$1,812Average$2,187FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest$1,838Average$2,268FlexibilityNo cancel feeOn-time77%
Search Air France flights
Qatar AirwaysCheapest$2,104Average$2,963FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Etihad AirwaysCheapest$2,326Average$3,331FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qantas AirwaysCheapest$2,870Average$3,750FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
EmiratesCheapest$2,889Average$3,697FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

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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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