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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 $1,092
Dep. Tue 21 JulRet. Mon 17 Aug$1,092
Dep. Wed 22 JulRet. Mon 17 Aug$1,092
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Dep. Sun 26 JulRet. Fri 14 Aug$1,092
Dep. Sun 26 JulRet. Mon 17 Aug$1,092
Dep. Mon 27 JulRet. Mon 17 Aug$1,092
Dep. Thu 30 JulRet. Fri 14 Aug$1,092
Dep. Thu 30 JulRet. Mon 17 Aug$1,092
Dep. Mon 03 AugRet. Mon 17 Aug$1,092
Dep. Sun 09 AugRet. Mon 17 Aug$1,092
Dep. Mon 20 JulRet. Mon 17 Aug$1,102
Dep. Sun 19 JulRet. Mon 17 Aug$1,117
Dep. Thu 23 JulRet. Wed 19 Aug$1,117
Dep. Tue 21 JulRet. Wed 19 Aug$1,117
Dep. Mon 27 JulRet. Mon 24 Aug$1,117
Dep. Tue 04 AugRet. Mon 17 Aug$1,117
Dep. Sun 02 AugRet. Mon 17 Aug$1,117
Dep. Thu 06 AugRet. Mon 17 Aug$1,175
Dep. Sat 01 AugRet. Fri 14 Aug$1,175
Dep. Sat 18 JulRet. Mon 17 Aug$1,184
Dep. Tue 11 AugRet. Wed 26 Aug$1,195
Dep. Mon 03 AugRet. Mon 31 Aug$1,197
Dep. Sun 09 AugRet. Mon 24 Aug$1,197
Dep. Tue 11 AugRet. Mon 24 Aug$1,197
Dep. Sun 26 JulRet. Wed 12 Aug$1,239
Dep. Tue 11 AugRet. Fri 04 Sep$1,248
Dep. Mon 10 AugRet. Mon 24 Aug$1,256
Dep. Thu 06 AugRet. Fri 21 Aug$1,256
Dep. Tue 18 AugRet. Mon 31 Aug$1,272
Dep. Tue 18 AugRet. Wed 02 Sep$1,272
Dep. Mon 20 JulRet. Mon 03 Aug$1,278
Dep. Mon 17 AugRet. Mon 31 Aug$1,283
Dep. Thu 13 AugRet. Mon 31 Aug$1,294
Dep. Thu 13 AugRet. Fri 04 Sep$1,294
Dep. Wed 12 AugRet. Fri 04 Sep$1,294
Dep. Thu 13 AugRet. Mon 24 Aug$1,296
Dep. Thu 19 NovRet. Mon 07 Dec$1,302
Dep. Tue 17 NovRet. Mon 30 Nov$1,304
Dep. Mon 16 NovRet. Mon 30 Nov$1,306
Dep. Wed 12 AugRet. Wed 26 Aug$1,360

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.

Jul 2026
$1,978
Aug 2026
$1,084
Sep 2026
$2,476
Oct 2026
$1,298
Nov 2026
$1,253
Dec 2026
$2,791
Feb 2027
$1,298
Mar 2027
$1,296
Apr 2027
$2,552

The cheapest month to fly to Dublin is August 2026, with return fares from $1,084 — 61% cheaper than the most expensive month (December 2026, from $2,791).

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. December is the most expensive month, with the cheapest return fares around $2,791 as school holidays and the Christmas peak push prices up.

Across the year, return fares to Dublin average around $1,781. If you can travel in the off-peak months of August, November and March, you'll generally pay up to 39% less than the yearly average.


Cheapest Sydney to Dublin Return Prices

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

July 2026
$1,978
August 2026
$1,084
September 2026
$2,476
October 2026
$1,298
November 2026
$1,253
December 2026
$2,791
February 2027
$1,298
March 2027
$1,296
April 2027
$2,552

Average Sydney to Dublin Return Prices

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

July 2026
$3,782
August 2026
$2,568
September 2026
$2,753
October 2026
$2,623
November 2026
$2,400
December 2026
$4,071
February 2027
$2,439
March 2027
$2,545
April 2027
$2,970

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 $1092.

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

Currently, the cheapest date for a return flight from Sydney to Dublin is 26 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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