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

DUB — SYD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Dublin to Sydney Kingsford Smith are usually found in March or May, booked 77 days in advance, depart on a Tuesday or Saturday and return on a Saturday

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 September 15, 2025.

Popular in

December

Cheapest in

March

Average price

$1,319
Highest demand for flights based on searches. 12% potential increase in price ($210 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Sydney, you should look to book at least 77 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, March is the cheapest month in which you can book a flight from Dublin to Sydney (average of $1,032). Flying from Dublin to Sydney in December is currently the most expensive (average of $1,627). 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 September 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 38% 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 September 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
3,624 reviews

Entertainment

7.4

Crew

7.9

Comfort

7.4

Overall

7.4

Food

7.3

Boarding

7.5

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
3,624 reviews
Qatar Airways
7.4
Good
3,624 reviews

Entertainment

7.4

Crew

7.9

Comfort

7.4

Overall

7.4

Food

7.3

Boarding

7.5

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
1,250 reviews
Qatar Airways
7.4
Good
3,624 reviews

Entertainment

7.4

Crew

7.9

Comfort

7.4

Overall

7.4

Food

7.3

Boarding

7.5

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 ($1,306) offers the cheapest pricing from Dublin to Sydney. These flights start at 19% 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, March is the cheapest month in which you can book a flight from Dublin to Sydney (average of $1,032). Flying from Dublin to Sydney in December is currently the most expensive (average of $1,627). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,239Average$1,643FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,306Average$1,811FlexibilityNo cancel feeOn-time68%

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