€421 Cheap flights to Sydney
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Sydney departing on 17/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Sydney flights insights and trends
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What is the cheapest month to fly to Sydney?
The month of May is another great option to travel to Sydney, with average flight prices from Ireland averaging around €1,152.
What is the cheapest day to depart on your flight to Sydney?
According to our data, Tuesday is the cheapest day to fly to Sydney from Ireland. The lowest ticket price found for a Tuesday departure recently was €1,320. 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 Friday because tickets tend to average around €1,530. 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 €1,289 when looking at flights departing in the afternoon. Try not to purchase tickets at midday because they tend to be around €1,772. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Sydney?
You are more likely to see cheaper flights to Sydney from Ireland when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around €1,382 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Ireland for as low as €1,248 on momondo.
Cheapest flights to Sydney Kingsford Smith
Find the cheapest flights to Sydney Kingsford Smith from your nearest city or airport
| CHEAPEST MONTH TO FLY TO SYDNEY FROM DUBLIN | March | 20% cheaper | Flying from Dublin to Sydney costs on average just €1,111 in March |
| MOST EXPENSIVE MONTH TO FLY TO SYDNEY FROM DUBLIN | December | 42% more expensive | It costs about €1,971 for flights to Sydney from Dublin in December |
| MOST POPULAR MONTH TO FLY TO SYDNEY FROM DUBLIN | December | 453% more users visited | More momondo users searched in flights to Sydney from Dublin in December than any other month |
Cheap Sydney flight deals and tips
Summary info about Sydney flight prices, duration and airlines
Best One-Way Price | €421 |
|---|---|
Best Round-Trip Price | €721 |
Fastest flight time | 22h 50m |
Popular in | December |
Frequently asked questions about flying to Sydney
What is there to do in Sydney when it’s raining?
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. While in Sydney you will find Sydney Jewish Museum nearby which is a great museum to visit when you’re looking for things to do indoors. Many tourists kill time during rain and storms by going to shopping centres in the area, like Australia Square.
How far in advance should I book a flight to Sydney?
The ideal time to book your flight to Sydney is 53 days in advance, when prices tend to average €1,382. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as €1,073.
When did momondo last update prices for flights to Sydney Kingsford Smith Airport?
Prices for flights to Sydney Kingsford Smith Airport are updated daily.
How many operators does momondo search for flights to Sydney Kingsford Smith Airport?
The number of operators available for flights to Sydney Kingsford Smith Airport is 15 as of April 2025.
How old do you have to be to fly to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Travelling to a place near Sydney?
Book flights to Sydney if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal to Sydney?
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.
Can I find flights to Sydney with flexible booking policies on momondo?
All flight searches to Sydney on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights to Sydney?
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.
I’m not ready to book a flight to Sydney right now. Can momondo alert me if prices change?
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.