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Cheap Flights from Sydney to Dublin

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Reverse direction: DUB to SYD
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MU Return flights from $1,106
Dep. Sat 25 JulRet. Wed 29 Jul$1,106
Dep. Sat 25 JulRet. Mon 10 Aug$1,108
MUShow more Flights
Dep. Sun 26 JulRet. Mon 17 Aug$1,108
Dep. Mon 27 JulRet. Mon 10 Aug$1,108
Dep. Mon 20 JulRet. Mon 10 Aug$1,108
Dep. Tue 21 JulRet. Mon 17 Aug$1,108
Dep. Wed 22 JulRet. Mon 17 Aug$1,108
Dep. Tue 28 JulRet. Wed 12 Aug$1,108
Dep. Thu 30 JulRet. Mon 17 Aug$1,108
Dep. Mon 27 JulRet. Mon 17 Aug$1,136
Dep. Sat 18 JulRet. Mon 17 Aug$1,137
Dep. Sun 19 JulRet. Mon 17 Aug$1,187
Dep. Tue 21 JulRet. Wed 19 Aug$1,191
Dep. Thu 23 JulRet. Wed 19 Aug$1,192
Dep. Mon 10 AugRet. Mon 17 Aug$1,192
Dep. Tue 28 JulRet. Fri 14 Aug$1,192
Dep. Wed 29 JulRet. Fri 14 Aug$1,192
Dep. Thu 30 JulRet. Fri 14 Aug$1,192
Dep. Sun 02 AugRet. Mon 17 Aug$1,192
Dep. Mon 03 AugRet. Mon 10 Aug$1,192
Dep. Mon 03 AugRet. Mon 17 Aug$1,192
Dep. Tue 04 AugRet. Mon 17 Aug$1,217
Dep. Thu 06 AugRet. Mon 17 Aug$1,217
Dep. Thu 23 JulRet. Fri 07 Aug$1,217
Dep. Mon 27 JulRet. Mon 24 Aug$1,222
Dep. Mon 27 JulRet. Mon 03 Aug$1,297
Dep. Sat 18 JulRet. Mon 03 Aug$1,297
Dep. Sat 25 JulRet. Mon 03 Aug$1,297
Dep. Mon 20 JulRet. Mon 03 Aug$1,297
Dep. Sat 01 AugRet. Mon 10 Aug$1,297
Dep. Sat 01 AugRet. Mon 17 Aug$1,297
Dep. Mon 26 OctRet. Mon 09 Nov$1,324
Dep. Tue 10 NovRet. Tue 24 Nov$1,575
Dep. Tue 03 NovRet. Tue 17 Nov$1,586
Dep. Sat 14 NovRet. Sat 28 Nov$1,590
Dep. Mon 26 OctRet. Sun 08 Nov$1,660
Dep. Thu 25 FebRet. Thu 11 Mar$1,690
Dep. Sat 08 AugRet. Mon 17 Aug$1,881
Dep. Sat 17 OctRet. Tue 03 Nov$1,890

Prices are from searches made in the last 24 hours and current prices may differ.

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 Australia 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.

Aug 2026
$1,084
Sep 2026
$2,253
Oct 2026
$1,296
Nov 2026
$1,243
Feb 2027
$1,298
Mar 2027
$1,297
Apr 2027
$2,401
May 2027
$1,952

The cheapest month to fly to Dublin is August 2026, with return fares from $1,084 — 55% cheaper than the most expensive month (April 2027, from $2,401).

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 $1,084. April is the most expensive month, with the cheapest return fares around $2,401.

Across the year, return fares to Dublin average around $1,603. 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.

August 2026
$1,084
September 2026
$2,253
October 2026
$1,296
November 2026
$1,243
February 2027
$1,298
March 2027
$1,297
April 2027
$2,401
May 2027
$1,952

Average Sydney to Dublin Return Prices

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

August 2026
$2,539
September 2026
$2,701
October 2026
$2,555
November 2026
$2,306
December 2026
$3,947
January 2027
$3,984
February 2027
$2,421
March 2027
$2,494
April 2027
$2,672
May 2027
$2,573

Frequently Asked Questions about flying from Sydney to Dublin

When is the cheapest time to travel from Sydney to Dublin?

The cheapest month to travel is typically August.

How much do return flights from Sydney to Dublin cost?

The best price we found for a return flight from Sydney to Dublin is $1107.

What is the cheapest date to fly from Sydney to Dublin?

Currently, the cheapest date for a return flight from Sydney to Dublin is 25 July 2026.

What is the cheapest airline that flys from Sydney to Dublin?

Currently, the cheapest airline that flys from Sydney to Dublin is China Eastern.

How long does a direct flight from Sydney to Dublin take?

We were not able to find any direct flights to Dublin.

What is the IATA airport code for Dublin?

The IATA code for Dublin is DUB. It is located in Ireland at coordinates 53.42729, -6.24342.

When should you book flights to Dublin?

From our data, you should book flights to Dublin 60 days out.


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.

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