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

Cheap Flights from Sydney to Dublin

Filter
Close
Return
One Way
Reverse direction: DUB to SYD

Airlines Show All Airlines

Depart
Return
Find Flights
MU Return flights from £576
Dep. Sun 19 JulRet. Mon 17 Aug£576
Dep. Tue 28 JulRet. Mon 10 Aug£576
MUShow more Flights
Dep. Sat 25 JulRet. Fri 31 Jul£629
Dep. Wed 15 JulRet. Wed 22 Jul£809
Dep. Tue 10 NovRet. Tue 24 Nov£819
Dep. Sun 25 OctRet. Sun 08 Nov£825
Dep. Mon 01 MarRet. Mon 29 Mar£929
Dep. Thu 06 AugRet. Sun 16 Aug£1,059
Dep. Mon 01 MarRet. Mon 22 Mar£1,076
Dep. Tue 09 MarRet. Mon 22 Mar£1,077
Dep. Mon 01 MarRet. Sun 14 Mar£1,159
Dep. Thu 16 JulRet. Thu 23 Jul£1,548
Dep. Sat 09 JanRet. Sun 24 Jan£1,642
Dep. Sat 09 JanRet. Thu 14 Jan£1,642
Dep. Sun 14 FebRet. Sun 28 Feb£3,841
EY Return flights from £724
Dep. Tue 10 NovRet. Tue 24 Nov£724
Dep. Sun 19 JulRet. Mon 17 Aug£897
EYShow more Flights
Dep. Tue 28 JulRet. Mon 10 Aug£992
Dep. Wed 15 JulRet. Wed 22 Jul£1,449
Dep. Sat 09 JanRet. Sun 24 Jan£1,511
Dep. Sat 09 JanRet. Thu 14 Jan£1,631
Dep. Thu 16 JulRet. Thu 23 Jul£1,661
Dep. Sun 14 FebRet. Sun 28 Feb£4,522
EY,MU Return flights from £830
Dep. Sun 19 JulRet. Mon 17 Aug£830
Dep. Tue 10 NovRet. Tue 24 Nov£844
EY,MUShow more Flights
Dep. Tue 28 JulRet. Mon 10 Aug£940
Dep. Wed 15 JulRet. Wed 22 Jul£1,369
Dep. Sat 09 JanRet. Sun 24 Jan£1,710
Dep. Sat 09 JanRet. Thu 14 Jan£1,799
Dep. Sun 14 FebRet. Sun 28 Feb£5,349
AC Return flights from £870
Dep. Sun 25 OctRet. Sun 08 Nov£870
Dep. Tue 10 NovRet. Tue 24 Nov£921
ACShow more Flights
Dep. Tue 09 MarRet. Mon 22 Mar£1,145
Dep. Mon 01 MarRet. Mon 22 Mar£1,197
Dep. Mon 01 MarRet. Sun 14 Mar£1,197
Dep. Mon 01 MarRet. Mon 29 Mar£1,201
Dep. Sun 19 JulRet. Mon 17 Aug£1,333
Dep. Thu 06 AugRet. Sun 16 Aug£1,481
Dep. Sat 25 JulRet. Fri 31 Jul£2,018
Dep. Wed 15 JulRet. Wed 22 Jul£2,236
Dep. Thu 16 JulRet. Thu 23 Jul£2,347
Dep. Sat 09 JanRet. Sun 24 Jan£3,540
Dep. Sat 09 JanRet. Thu 14 Jan£3,540
Dep. Sun 14 FebRet. Sun 28 Feb£5,913
TK Return flights from £871
Dep. Sun 25 OctRet. Sun 08 Nov£871
Dep. Tue 10 NovRet. Tue 24 Nov£884
TKShow more Flights
Dep. Sun 19 JulRet. Mon 17 Aug£1,050
Dep. Thu 06 AugRet. Sun 16 Aug£1,059
Dep. Tue 28 JulRet. Mon 10 Aug£1,185
Dep. Mon 01 MarRet. Mon 29 Mar£1,252
Dep. Tue 09 MarRet. Mon 22 Mar£1,263
Dep. Mon 01 MarRet. Sun 14 Mar£1,401
Dep. Mon 01 MarRet. Mon 22 Mar£1,471
Dep. Sat 25 JulRet. Fri 31 Jul£1,654
Dep. Wed 15 JulRet. Wed 22 Jul£1,720
Dep. Sat 09 JanRet. Sun 24 Jan£1,756
Dep. Sat 09 JanRet. Thu 14 Jan£1,764
Dep. Thu 16 JulRet. Thu 23 Jul£2,076
Dep. Sun 14 FebRet. Sun 28 Feb£4,813
HU,MU Return flights from £874
Dep. Tue 28 JulRet. Mon 10 Aug£874
Dep. Sat 25 JulRet. Fri 31 Jul£946
HU,MUShow more Flights
Dep. Thu 06 AugRet. Sun 16 Aug£999
Dep. Thu 16 JulRet. Thu 23 Jul£1,018
KL,MU Return flights from £876
Dep. Sun 25 OctRet. Sun 08 Nov£876
Dep. Tue 10 NovRet. Tue 24 Nov£886
KL,MUShow more Flights
Dep. Thu 06 AugRet. Sun 16 Aug£886
Dep. Mon 01 MarRet. Mon 29 Mar£947
Dep. Sun 19 JulRet. Mon 17 Aug£950
Dep. Tue 28 JulRet. Mon 10 Aug£995
Dep. Mon 01 MarRet. Sun 14 Mar£1,253
Dep. Tue 09 MarRet. Mon 22 Mar£1,331
Dep. Sat 09 JanRet. Thu 14 Jan£1,683
Dep. Sat 25 JulRet. Fri 31 Jul£1,723
Dep. Sat 09 JanRet. Sun 24 Jan£1,823
Dep. Sun 14 FebRet. Sun 28 Feb£7,711
FR,MU Return flights from £900
Dep. Sun 19 JulRet. Mon 17 Aug£900
Dep. Wed 15 JulRet. Wed 22 Jul£902
FR,MUShow more Flights
Dep. Sun 25 OctRet. Sun 08 Nov£1,054
CZ,FR,MU Return flights from £901
Dep. Wed 15 JulRet. Wed 22 Jul£901
Dep. Sun 25 OctRet. Sun 08 Nov£968
CZ,FR,MUShow more Flights
Dep. Sat 25 JulRet. Fri 31 Jul£1,088
Dep. Thu 16 JulRet. Thu 23 Jul£1,109
CA,EI,I2 Return flights from £903
Dep. Thu 06 AugRet. Sun 16 Aug£903
CZ,FR Return flights from £910
Dep. Thu 06 AugRet. Sun 16 Aug£910
EY,QR Return flights from £912
Dep. Tue 10 NovRet. Tue 24 Nov£912
Dep. Sun 19 JulRet. Mon 17 Aug£1,067
EY,QRShow more Flights
Dep. Tue 28 JulRet. Mon 10 Aug£1,139
Dep. Wed 15 JulRet. Wed 22 Jul£1,643
Dep. Sat 09 JanRet. Sun 24 Jan£1,747
Dep. Sat 09 JanRet. Thu 14 Jan£1,824
Dep. Sun 14 FebRet. Sun 28 Feb£6,160
LX,MU,TR Return flights from £919
Dep. Sun 19 JulRet. Mon 17 Aug£919
QR Return flights from £922
Dep. Tue 10 NovRet. Tue 24 Nov£922
Dep. Mon 01 MarRet. Sun 14 Mar£946
QRShow more Flights
Dep. Mon 01 MarRet. Mon 22 Mar£950
Dep. Tue 09 MarRet. Mon 22 Mar£951
Dep. Mon 01 MarRet. Mon 29 Mar£955
Dep. Sun 25 OctRet. Sun 08 Nov£956
Dep. Thu 06 AugRet. Sun 16 Aug£1,052
Dep. Sun 19 JulRet. Mon 17 Aug£1,058
Dep. Tue 28 JulRet. Mon 10 Aug£1,099
Dep. Thu 16 JulRet. Thu 23 Jul£1,170
Dep. Wed 15 JulRet. Wed 22 Jul£1,185
Dep. Sat 25 JulRet. Fri 31 Jul£1,202
Dep. Sat 09 JanRet. Sun 24 Jan£1,519
Dep. Sat 09 JanRet. Thu 14 Jan£1,519
Dep. Sun 14 FebRet. Sun 28 Feb£5,354
OD,TK Return flights from £938
Dep. Sun 19 JulRet. Mon 17 Aug£938
Dep. Tue 10 NovRet. Tue 24 Nov£1,021
OD,TKShow more Flights
Dep. Sun 25 OctRet. Sun 08 Nov£1,072
Dep. Tue 09 MarRet. Mon 22 Mar£1,189
Dep. Mon 01 MarRet. Sun 14 Mar£1,215
Dep. Mon 01 MarRet. Mon 22 Mar£1,247
Dep. Mon 01 MarRet. Mon 29 Mar£1,261
Dep. Thu 06 AugRet. Sun 16 Aug£1,370
Dep. Wed 15 JulRet. Wed 22 Jul£1,421
Dep. Sat 09 JanRet. Thu 14 Jan£1,442
Dep. Tue 28 JulRet. Mon 10 Aug£1,697
Dep. Sat 09 JanRet. Sun 24 Jan£1,799
Dep. Thu 16 JulRet. Thu 23 Jul£1,947
Dep. Sat 25 JulRet. Fri 31 Jul£2,090
Dep. Sun 14 FebRet. Sun 28 Feb£6,374

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 United Kingdom 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
£563
Sep 2026
£1,169
Oct 2026
£673
Nov 2026
£645
Feb 2027
£674
Mar 2027
£673
Apr 2027
£1,246
May 2027
£1,013

The cheapest month to fly to Dublin is August 2026, with return fares from £563 — 55% cheaper than the most expensive month (April 2027, from £1,246).

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 £563. April is the most expensive month, with the cheapest return fares around £1,246.

Across the year, return fares to Dublin average around £832. 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
£563
September 2026
£1,169
October 2026
£673
November 2026
£645
February 2027
£674
March 2027
£673
April 2027
£1,246
May 2027
£1,013

Average Sydney to Dublin Return Prices

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

August 2026
£1,318
September 2026
£1,402
October 2026
£1,326
November 2026
£1,197
December 2026
£2,048
January 2027
£2,067
February 2027
£1,256
March 2027
£1,294
April 2027
£1,387
May 2027
£1,335

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.

Popular Destinations
Flights to BrisbaneFlights to BangkokFlights to PerthFlights to CanberraFlights to SydneyFlights to BarcelonaFlights to AberdeenFlights to MarseilleFlights to Milano (Milan)Flights to IbizaFlights to HelsinkiFlights to Milan

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