What are the cheapest airlines flying from Dublin to Sydney round-trip?

According to our current data, Etihad Airways ($1,175), and Qatar Airways ($1,236) offers the cheapest pricing from Dublin to Sydney. These flights start at 20% lower than the current average price 3 months from now.

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from DUB to SYD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Sydney as you normally would.

Most accurate provider : When it comes to deals on Dublin-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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.

Find Cheap Flights from Dublin to Sydney

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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.

Find flight deals from Dublin to Sydney

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	July
Cheapest in	May
Average price	$1,273

Provider with most accurate pricing for Dublin-Sydney Kingsford Smith flight deals.

Search Deals

Provider most trusted by Cheapflights users for Dublin-Sydney Kingsford Smith flights.

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($136 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($42 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2026

Search Deals

Compare providers for flights from Dublin to Sydney

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dublin to Sydney in May.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dublin-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

DUB-SYD

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?

To ensure you get the cheapest price possible for a flight from Dublin to Sydney, you should look to book at least 31 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, May is the cheapest month in which you can book a flight from Dublin to Sydney (average of $1,273). Flying from Dublin to Sydney in July is currently the most expensive (average of $1,929). 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.

Reviews of airlines servicing Sydney

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

3,728 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.

Qatar Airways

7.4

Good

3,728 reviews

Qatar Airways

7.4

Good

3,728 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.

Etihad Airways

7.3

Good

1,437 reviews

Qatar Airways

7.4

Good

3,728 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Apr 2025

DFW - DOH

Probably one of the best flights I’ve had. Superb service! They made economy feel like first class.

Related info for your journey

What are the cheapest airlines flying from Dublin to Sydney round-trip?
According to our current data, Etihad Airways ($1,175), and Qatar Airways ($1,236) offers the cheapest pricing from Dublin to Sydney. These flights start at 20% 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, May is the cheapest month in which you can book a flight from Dublin to Sydney (average of $1,273). Flying from Dublin to Sydney in July is currently the most expensive (average of $1,929). 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

Parramatta

Wollongong

Coogee

Manly

Browse thousands of different options on Cheapflights for your next trip

Complete your trip

Flights by cabin class

Other flight options

Other flights from Dublin

Popular flights

Sydney flight routes

Complete your trip

Sydney car rentals

Sydney Kingsford Smith Airport car rentals

Newcastle Williamtown Airport car rentals

Port Macquarie car rentals

Armidale car rentals

Lismore car rentals

Sydney CBD car rentals

Darlinghurst car rentals

Potts Point car rentals

Barangaroo car rentals

Woolloomooloo car rentals

Camperdown car rentals

Top 2 airlines flying from Dublin to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$1,175	Average$1,402	FlexibilityNo cancel fee	On-time75%
Qatar Airways	Cheapest$1,236	Average$1,382	FlexibilityNo cancel fee	On-time68%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

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

Find cheap flights from Dublin to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Dublin to Sydney

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

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 May.

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.

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?

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

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 May 13, 2026.

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.

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?

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

How can I find direct flights from Dublin to Sydney?

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

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

Traveling to a place near Sydney?

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.

Complete your trip

Complete your trip to Sydney by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Dublin to Sydney by cabin class

Find flights from Dublin to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Dublin and Sydney flights

Browse other Dublin and Sydney flight options. Last updated on May 13, 2026.

Other flights from Dublin

Browse through other flights departing from Dublin. Flights are based on user searches made on Cheapflights and were last updated on May 13, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

Other flights to Sydney

Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 13, 2026.

Top 2 airlines flying from Dublin to Sydney

100% Free

Book with Flexibility

Travel Smart