Cheap Flights from Dublin (DUB) to Sydney (SYD) from HK$3,510~

Round-trip journeys between Dublin Airport and SYD start from HK$9,005. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year — make your booking ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.

When it comes to cancellation fees, each airline has a different set of terms and conditions. If you decide to cancel your escape, head to our Customer Service Portal.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dublin Airport to Sydney Airport flights, you'll see a "no change fees" filter for you to select.

You'll have 17,200 kilometers to cover on the long-haul Corballis to Sydney route. Wear layers of comfy clothes and consider taking a sleep mask and earplugs.

Direct flights aren't available, so you'll have to make at least one stop between Dublin Airport and Mascot Airport. Take advantage of the layover time to stretch your legs and take a break.

Fares from Dublin Airport (DUB) to Mascot Airport are available up to a year before departure on Expedia. And although you may occasionally nab a fantastic last-minute deal, it's not something you should count on. Also, booking your flights in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.