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Cheap flights from Dublin (DUB) to Sydney (SYD)

DUB — SYD
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Find cheap flights from Dublin to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Dublin to Sydney Kingsford Smith are usually found in March or May, booked 27 days in advance, depart on a Tuesday or Saturday and return on a Saturday

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

December

Cheapest in

March

Average price

$2,009
Provider with most accurate pricing for Dublin-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Dublin-Sydney Kingsford Smith flights.
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Highest demand for flights based on searches. 8% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Compare providers for flights from Dublin to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Sydney in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Dublin-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Dublin-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Dublin-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dublin-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Dublin-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Dublin to Sydney. Price data was last updated on December 12, 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Sydney, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Dublin to Sydney (average of $898). Flying from Dublin to Sydney in July is currently the most expensive (average of $1,436). 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 December 15, 2025.

One of the essential ways to save on airfare from Dublin to Sydney is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 37% on airfare.

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 December 15, 2025.
Peruse reviews from past customers who have flown with Qatar Airways and Etihad Airways from Dublin to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,681 reviews

Boarding

7.5

Crew

7.9

Entertainment

7.4

Comfort

7.4

Overall

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Leticia,Sep 2025

SDK - KUL

I wasn't allowed to take my carry on on board. I was told it was too heavy at 16lbs
Qatar Airways
7.4
Good
3,681 reviews
Qatar Airways
7.4
Good
3,681 reviews

Boarding

7.5

Crew

7.9

Entertainment

7.4

Comfort

7.4

Overall

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Leticia,Sep 2025

SDK - KUL

I wasn't allowed to take my carry on on board. I was told it was too heavy at 16lbs
Etihad Airways
7.4
Good
1,332 reviews
Qatar Airways
7.4
Good
3,681 reviews

Boarding

7.5

Crew

7.9

Entertainment

7.4

Comfort

7.4

Overall

7.4

Food

7.3

Reviews

1 / 20
6.0
Good

Leticia,Sep 2025

SDK - KUL

I wasn't allowed to take my carry on on board. I was told it was too heavy at 16lbs

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?

    According to our current data, Etihad Airways ($1,239), and Qatar Airways ($1,303) offers the cheapest pricing from Dublin to Sydney. These flights start at 17% lower than the current average price 3 months from now.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Dublin to Sydney (average of $898). Flying from Dublin to Sydney in July is currently the most expensive (average of $1,436). 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

Traveling to a place near Sydney?

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

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Top 2 airlines flying from Dublin to Sydney

Discover the top 2 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 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,239Average$1,466FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,303Average$1,811FlexibilityNo cancel feeOn-time68%

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