Cheap Flights from Sydney to Dublin

Do you need to catch a flight to Sydney? Check out our domestic flights to Sydney. If Sydney is not your closest airport, then here are all our flights to Dublin from New Zealand and flights to Ireland. Maybe a different destination? Here are all the flights from Sydney

Cheapest Time of Year to Fly from Sydney to Dublin

Return fares from Sydney to Dublin by month, based on the cheapest return airfares found for each month.

The cheapest month to fly to Dublin is August 2026, with return fares from $1,323 — 55% cheaper than the most expensive month (April 2027, from $2,930).

When Should You Fly to Dublin?

Based on the fares we've tracked, August is typically the cheapest month to fly to Dublin, with return fares from $1,323. April is the most expensive month, with the cheapest return fares around $2,930.

Across the year, return fares to Dublin average around $1,956. If you can travel in the off-peak months of August, November and October, you'll generally pay up to 32% less than the yearly average.

Cheapest Sydney to Dublin Return Prices

These are the cheapest prices for Sydney to Dublin return airfares.

Average Sydney to Dublin Return Prices

These are the average prices for Sydney to Dublin return airfares.

How I Want That Flight can help you

What's the benefit of using I Want That Flight for my Sydney to Dublin flight?

Think of us as your personal shortcut to a great deal. Instead of you opening fifty different tabs, we instantly cross-check rates across heaps of airlines and booking sites to score you the sweet spot on pricing. Millions of holidaymakers count on us every year to get them airborne, so you're running with a pretty savvy crowd.

Can you sort me out with direct flights from Sydney to Dublin?

100%. As soon as the page finishes loading your options, hit the "Direct" filter. The layovers will vanish, leaving you with only the non-stop routes.

How does I Want That Flight find me the best Sydney to Dublin flights?

Once you punch your details into our search tool, we unlock all kinds of handy tricks to map out your journey. We’ll map out the most budget-friendly calendar dates and takeoff slots, and let you slice and dice the data until you pinpoint the exact itinerary that works for you.

I'm still in the planning phase. Can you ping me if Sydney to Dublin fares drop?

No worries at all. Just kick off a quick search, drop your email into our price tracker, and we’ll send a heads-up straight to your inbox the moment the price drops.