1 Adult (Economy)
  • Economy
  • - + 12+
  • - + 2-11
  • - + <2 (on lap)
  • Done
Compare

Cheap Flights from Sydney to Dublin

Filter
Close
Return
One Way
Reverse direction: DUB to SYD
Depart
Return
BA Return flights from $1,590
Dep. Fri 16 OctRet. Mon 02 Nov$1,590
Dep. Sat 17 OctRet. Mon 02 Nov$1,590
BAShow more Flights
Dep. Sat 17 OctRet. Sat 14 Nov$1,593
Dep. Fri 16 OctRet. Sat 14 Nov$1,593
Dep. Tue 10 NovRet. Sat 21 Nov$1,595
Dep. Sun 18 OctRet. Sun 15 Nov$1,595
Dep. Wed 28 OctRet. Sun 08 Nov$1,595
Dep. Mon 12 OctRet. Wed 04 Nov$1,595
Dep. Mon 12 OctRet. Sun 01 Nov$1,595
Dep. Mon 12 OctRet. Thu 29 Oct$1,595
Dep. Mon 26 OctRet. Mon 16 Nov$1,595
Dep. Mon 26 OctRet. Fri 13 Nov$1,595
Dep. Wed 21 OctRet. Wed 18 Nov$1,595
Dep. Wed 14 OctRet. Mon 02 Nov$1,595
Dep. Tue 27 OctRet. Sun 15 Nov$1,595
Dep. Mon 26 OctRet. Thu 19 Nov$1,595
Dep. Wed 28 OctRet. Wed 11 Nov$1,595
Dep. Mon 19 OctRet. Fri 20 Nov$1,595
Dep. Wed 21 OctRet. Sun 01 Nov$1,595
Dep. Wed 04 NovRet. Thu 19 Nov$1,595
Dep. Wed 04 NovRet. Mon 16 Nov$1,595
Dep. Wed 14 OctRet. Thu 05 Nov$1,595
Dep. Sun 18 OctRet. Sun 01 Nov$1,595
Dep. Thu 05 NovRet. Wed 18 Nov$1,595
Dep. Mon 19 OctRet. Mon 09 Nov$1,595
Dep. Wed 11 NovRet. Mon 23 Nov$1,595
Dep. Wed 21 OctRet. Fri 06 Nov$1,595
Dep. Sun 18 OctRet. Thu 12 Nov$1,595
Dep. Mon 19 OctRet. Wed 11 Nov$1,595
Dep. Mon 19 OctRet. Sat 14 Nov$1,595
Dep. Tue 27 OctRet. Mon 09 Nov$1,595
Dep. Wed 14 OctRet. Wed 28 Oct$1,595
Dep. Wed 04 NovRet. Fri 04 Dec$1,595
Dep. Thu 12 NovRet. Mon 23 Nov$1,595
Dep. Sun 18 OctRet. Tue 17 Nov$1,595
Dep. Mon 26 OctRet. Wed 18 Nov$1,595
Dep. Tue 20 OctRet. Fri 20 Nov$1,595
Dep. Mon 12 OctRet. Fri 30 Oct$1,595
Dep. Tue 20 OctRet. Sat 14 Nov$1,595
QF Return flights from $2,020
Dep. Mon 20 JulRet. Mon 17 Aug$2,020
Dep. Sun 12 JulRet. Sun 06 Sep$2,040
QFShow more Flights
Dep. Sun 19 JulRet. Mon 17 Aug$2,074
Dep. Mon 20 JulRet. Mon 21 Sep$2,107
Dep. Mon 20 JulRet. Mon 10 Aug$2,164
Dep. Thu 13 AugRet. Mon 24 Aug$2,293
Dep. Mon 12 OctRet. Mon 02 Nov$2,322
Dep. Wed 04 NovRet. Wed 18 Nov$2,323
Dep. Sun 18 OctRet. Tue 03 Nov$2,323
Dep. Sun 18 OctRet. Mon 09 Nov$2,323
Dep. Tue 10 NovRet. Thu 26 Nov$2,323
Dep. Thu 12 NovRet. Thu 26 Nov$2,323
Dep. Wed 21 OctRet. Wed 04 Nov$2,323
Dep. Mon 12 OctRet. Tue 03 Nov$2,323
Dep. Tue 10 NovRet. Tue 24 Nov$2,323
Dep. Tue 10 NovRet. Tue 01 Dec$2,323
Dep. Mon 19 OctRet. Mon 02 Nov$2,324
Dep. Tue 10 NovRet. Mon 23 Nov$2,325
Dep. Sat 07 NovRet. Thu 19 Nov$2,368
Dep. Fri 13 NovRet. Thu 26 Nov$2,368
Dep. Sun 18 OctRet. Sat 14 Nov$2,368
Dep. Wed 04 NovRet. Sun 15 Nov$2,381
Dep. Mon 26 OctRet. Wed 18 Nov$2,381
Dep. Tue 13 OctRet. Thu 05 Nov$2,383
Dep. Thu 29 OctRet. Sun 15 Nov$2,383
Dep. Tue 13 OctRet. Mon 02 Nov$2,383
Dep. Wed 21 OctRet. Mon 23 Nov$2,383
Dep. Tue 27 OctRet. Tue 17 Nov$2,383
Dep. Mon 02 NovRet. Tue 17 Nov$2,383
Dep. Mon 26 OctRet. Tue 24 Nov$2,383
Dep. Thu 12 NovRet. Thu 03 Dec$2,383
Dep. Sun 18 OctRet. Wed 11 Nov$2,383
Dep. Sun 08 NovRet. Sun 22 Nov$2,383
Dep. Sun 11 OctRet. Mon 26 Oct$2,383
Dep. Sun 01 NovRet. Wed 18 Nov$2,383
Dep. Sun 01 NovRet. Sun 15 Nov$2,383
Dep. Sun 11 OctRet. Wed 04 Nov$2,383
Dep. Sun 18 OctRet. Tue 17 Nov$2,383
Dep. Sun 18 OctRet. Sun 01 Nov$2,383
BA,CX,QF Return flights from $2,286
Dep. Mon 28 SepRet. Thu 22 Oct$2,286
Dep. Mon 12 OctRet. Fri 30 Oct$3,627

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 $1110.

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

Currently, the cheapest date for a return flight from Sydney to Dublin is 20 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.

Sign up to I Know The Pilot for all the latest flight deals

Join 300,000+ Australians getting the best airfares delivered to their mailbox

As seen in:
7 News Today Show News Com Au The Guardian Daily Mail Mama Mia