$664 Cheap Flights from Dublin (DUB) to Sydney (YQY)

View $664 flight on Fri, Dec 26, 2025Opens in a new window

Popular airlines from Dublin Airport (DUB) to Sydney, NS (YQY)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Dublin to Sydney (DUB-YQY)

Prices were available within the past 7 days and start at $664 for one-way flights and $853 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$853 Roundtrip, found 5 days ago
$853
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $853 found 5 days ago
Air Canada
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$860 Roundtrip, found 5 days ago
$860
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $860 found 5 days ago
Lufthansa
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$876 Roundtrip, found 5 days ago
$876
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $876 found 5 days ago
Air Canada
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$879 Roundtrip, found 5 days ago
$879
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $879 found 5 days ago
Lufthansa
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$883 Roundtrip, found 5 days ago
$883
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $883 found 5 days ago
Air Canada
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$893 Roundtrip, found 5 days ago
$893
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $893 found 5 days ago
Lufthansa
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$897 Roundtrip, found 5 days ago
$897
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $897 found 5 days ago
Lufthansa
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$899 Roundtrip, found 5 days ago
$899
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $899 found 5 days ago
Swiss International Air Lines
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$916 Roundtrip, found 5 days ago
$916
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $916 found 5 days ago
Austrian Airlines
Fri, Aug 14 - Sun, Aug 23
DUB
Dublin
YQY
Sydney
$935 Roundtrip, found 5 days ago
$935
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Fri, Aug 14 from Dublin to Sydney, returning Sun, Aug 23, priced at $935 found 5 days ago

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Sydney Airport (YQY) cost?
Grab a cheap one-way flight from $664 or cheap return flight from $853 from Dublin Airport (DUB) to Sydney Airport (YQY) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Dublin Airport (DUB) to Sydney Airport (YQY)?
The cheapest month to fly from DUB to YQY is August, when there's less demand. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Dublin Airport (DUB) to Sydney Airport (YQY)?
To find the cheapest airline flying from DUB to YQY, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Dublin Airport (DUB) to Sydney Airport (YQY)?
There are no daily direct flights available from Dublin Airport (DUB) to Sydney Airport (YQY). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from DUB to YQY?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dublin Airport (DUB) to Sydney Airport (YQY)?
Book a flight from Dublin Airport (DUB) to Sydney Airport (YQY) that leaves before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Sydney Airport (YQY) last-minute?
Holding off until right before your break to book your flight from DUB to YQY generally means paying more. While you may find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of snagging a bargain.
Is it cheaper to book a DUB to YQY flight and hotel package?
You'll typically save money by booking a DUB to YQY flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your preferred flights and accommodations, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Sydney Airport (YQY)?
Generally, it's possible to cancel or reschedule your DUB to YQY flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Dublin
Destination airport
Sydney
Roundtrip price
$853
Distance
2391 mi

Book with confidence

Dublin to Sydney Flights

The cheapest times to fly from Dublin to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Sydney are during the month of August. You can find some of the cheapest flights from Dublin to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Sydney

Sunday is one of the best days to book for cheap flights from Dublin to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $664 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Dublin to Sydney Flights

Explore a world of travel with Expedia

*Available to One Key members.