Cheap flights from Ireland to Sydney from $733
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Sydney departing on 3/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ireland to Sydney
Recent return flight deals from Ireland to Sydney
Recent one-way flight deals from Ireland to Sydney
Recent last minute flight deals from Ireland to Sydney
SWISS flights from Ireland to Sydney
Our best SWISS deals on Ireland to Sydney flight tickets
Lufthansa flights from Ireland to Sydney
Our best Lufthansa deals on Ireland to Sydney flight tickets
See travel insights to Sydney from
How to get the cheapest flight ticket from Ireland to Sydney
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Sydney?
The month of May is, on average, the cheapest month to fly to Sydney from Ireland, with most prices found around $2,062. If you aren’t able to travel to Sydney during the month of May, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $2,093.
What is the cheapest day to depart on your flight to Sydney?
Our data shows that Friday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,371. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $2,962.
What is the cheapest time of day to depart on your flight to Sydney?
According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Ireland to Sydney in the afternoon for as low as $2,249. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $3,349 on average. Flights to Sydney from Ireland in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.
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 19 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,444 when searching 19 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 $2,275 on momondo.
What is the cheapest airline that flies from Ireland to Sydney Kingsford Smith?
Hainan Airlines, Lufthansa, and Air Canada are the most popular carriers operating from Ireland to Sydney Kingsford Smith
Which airlines fly to Sydney?
British Airways, Etihad Airways and Emirates are the top three most popular airlines that fly to Sydney from Ireland according to our data. British Airways is the first choice among our users, with 43% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.
Cheap Ireland to Sydney flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Sydney
When did momondo last update prices for flights from Ireland to Sydney Kingsford Smith Airport?
Prices for flights from Ireland to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from Ireland to Sydney Kingsford Smith Airport?
There are 9 operators available for flights from Ireland to Sydney Kingsford Smith Airport as of February 2025.
How old do you have to be to fly from Ireland 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 from Ireland 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.
Best airlines flying from Ireland to Sydney
Compare and see reviews for airlines that fly from Ireland to Sydney with momondo
| Airline | Rating | Free cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $1,451 | Free cancellation | Rating 7.5 1,566 reviews | |||
| PriceFrom $1,674 | Free cancellation | Rating 7.3 3,825 reviews | |||
| PriceFrom $1,778 | Free cancellation | Rating 7.4 1,448 reviews | |||
| PriceFrom $1,834 | Free cancellation | Rating 6.6 6,761 reviews | |||
| PriceFrom $2,063 | Free cancellation | Rating 7.0 8,757 reviews | |||
| PriceFrom $2,151 | Free cancellation | Rating 7.4 3,609 reviews | |||
| PriceFrom $2,464 | Free cancellation | Rating 7.3 1,179 reviews | |||
| PriceFrom $2,881 | Free cancellation | Rating 7.4 813 reviews | |||
| PriceFrom $2,943 | Free cancellation | Rating 8.1 3,276 reviews |
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 from Ireland to Sydney?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to Sydney. momondo saves you time and could save you money on your trip.
Can I find flights from Ireland to Sydney with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ireland to Sydney flights to just show those with flexible booking policies.
How can momondo help me find flights from Ireland to Sydney?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Ireland.
I’m not ready to book a flight from Ireland to Sydney right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Sydney from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.