Find cheap flights to Sydney

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About Flights to Sydney

Summary info about Sydney flight prices, duration and airlines

Best One-Way Price


Best Return Price


Fastest flight time

28h 05m

Operated By

2 airlines
The best one-way flight price to Sydney from Ireland in the last 72 hours is €481 (Dublin to Sydney Kingsford Smith).
The best return flight price to Sydney from Ireland in the last 72 hours is €909 (Dublin to Sydney Kingsford Smith).
The fastest flight to Sydney from Ireland takes 28h 05m (Dublin to Sydney Kingsford Smith).
There are 2 airlines operating flights to Sydney, including American Airlines and British Airways.

Sydney flights insights and trends

Explore insights for your Sydney flight to craft the best travel plan

What is the cheapest month to fly to Sydney?

The month of March is another great option to travel to Sydney, with average flight prices from Ireland averaging around €1,302.

See prices from:

What is the cheapest day to depart on your flight to Sydney?

According to our data, Thursday is the cheapest day to fly to Sydney from Ireland. The lowest ticket price found for a Thursday departure recently was €1,379. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €1,508. These prices are subject to change though, so be sure to set up a Price Alert for flights to Sydney.

What is the cheapest time of day to depart on your flight to Sydney?

Flying to Sydney from Ireland in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as €1,413 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around €1,556. Of course, these prices can vary depending on the time of year and what airport you fly to.

How long does it take to fly to Sydney?

On average, it takes 25h 40m to fly from Ireland to Sydney if you fly out of Dublin (the most popular airport in Ireland) and into Sydney Kingsford Smith (the most popular airport in Sydney). If you’re flying out of Shannon and into Sydney Kingsford Smith, then the flight time is around 28h 55m.

How far in advance should I book a flight to Sydney?

The ideal time to book your flight to Sydney is 27 days in advance, when prices tend to average €1,458.

Cheapest flights to Sydney airports

Find the cheapest flights to these Sydney airports from your nearest city or airport


Dublin (DUB) to Sydney (SYD)

Typically, flights to Sydney from Dublin are cheaper when flying from Dublin to Sydney Kingsford Smith, which has an average price of €1,458

CHEAPEST MONTH TO FLY TO SYDNEY FROM DUBLINMay12% cheaperFlying from Dublin to Sydney costs on average just €1,286 in May
MOST EXPENSIVE MONTH TO FLY TO SYDNEY FROM DUBLINJuly16% more expensiveIt costs about €1,692 for flights to Sydney from Dublin in July
MOST POPULAR MONTH TO FLY TO SYDNEY FROM DUBLINDecember233% more users visitedMore momondo users searched in flights to Sydney from Dublin in December than any other month

Frequently asked questions about flying to Sydney

When planning your flight to Sydney, it is important to be aware that some months are not as ideal as others. Specifically, the months of March or June could carry a higher chance of rain, as Sydney sees up to 5.1 inches (130 mm) or more. There are still things to do in Sydney even when it's raining, but be aware that rain is highly probable in the area. Many tourists kill time during rain and storms by going to shopping centres in the area, like Australia Square.

Those flying to Sydney could potentially find better pricing at Newcastle Williamtown Airport (134 km from Sydney city centre) or Bathurst Raglan Airport (153 km from Sydney city centre) depending on the month and departure airport.

Sydney flight deals found on momondo

Check out some of the best fares from airports in Ireland to Sydney found recently by users on momondo

Which airlines fly to Sydney?

Here you can see a selection of the most popular and cheapest airlines for flights to Sydney

Which airlines fly to Sydney?

British Airways is the airline most momondo users in Ireland opt for when booking flights to Sydney. Qantas Airways, Emirates and Etihad Airways are also popular choices when flying to Sydney from Ireland. Most major airlines flying from Ireland to Sydney will offer flights on a regular basis, though your options may vary depending on what airport you fly from.

Emirates Flights to Sydney

Emirates is a popular choice for users travelling to Sydney. It operates 86 flights every week to Sydney, most often flying from Brisbane. Emirates ticket prices will depend on when and where you need to fly from - deals as low as €1,378 (from Dublin) have been found by momondo users. In 129 reviews, momondo users have rated Emirates at an average score of 8.4/10.

Cathay Pacific Flights to Sydney

Cathay Pacific flights to Sydney can start from as low as €1,051 (return, from Dublin, found in the last 72 hours). Over 2 flights that Cathay Pacific operates to Sydney in a normal week, prices can vary significantly. The most popular Cathay Pacific flight to Sydney is from Adelaide. Cathay Pacific has been rated 8.2/10 by momondo users, in 36 reviews.

Popular routes to Sydney

Most frequently searched flights to Sydney along with the cheapest price and shortest flight duration
Dublin to Sydney Flights
Fastest flight time25h 40m
Cheapest price€994
Cork to Sydney Flights
Fastest flight time27h 45m
Cheapest price€1,413
Shannon to Sydney Flights
Fastest flight time28h 55m
Cheapest price€1,165
London to Sydney Flights
Fastest flight time48h 30m
Cheapest price€1,732
Sao Paulo to Sydney Flights
Fastest flight time42h 10m
Cheapest price€2,184

Start planning your trip to Sydney

Why use momondo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney.

All flight searches to Sydney on momondo can be filtered to show those which offer flexible booking policies.

momondo provides multiple filters to help you find the best flight to Sydney. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

Yes. momondo can track flight prices for Sydney and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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