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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 $765
Dep. Mon 20 JulRet. Mon 17 Aug$765
Dep. Sun 19 JulRet. Mon 17 Aug$768
MUShow more Flights
Dep. Mon 19 OctRet. Mon 02 Nov$876
Dep. Wed 04 NovRet. Wed 18 Nov$892
Dep. Mon 12 OctRet. Mon 02 Nov$892
Dep. Tue 10 NovRet. Mon 23 Nov$892
Dep. Mon 16 NovRet. Mon 30 Nov$930
Dep. Thu 13 AugRet. Mon 24 Aug$953
Dep. Mon 20 JulRet. Mon 21 Sep$1,024
Dep. Sun 18 OctRet. Tue 03 Nov$1,098
Dep. Thu 05 NovRet. Thu 19 Nov$1,098
Dep. Tue 10 NovRet. Tue 24 Nov$1,098
Dep. Tue 10 NovRet. Tue 01 Dec$1,098
Dep. Fri 13 NovRet. Fri 27 Nov$1,227
Dep. Sat 21 NovRet. Fri 04 Dec$1,229
Dep. Fri 30 AprRet. Sat 22 May$1,386
Dep. Mon 30 NovRet. Tue 22 Dec$1,468
Dep. Wed 30 SepRet. Sat 10 Oct$1,677
Dep. Mon 12 OctRet. Sat 24 Oct$1,822
Dep. Thu 06 MayRet. Thu 24 Jun$1,929
Dep. Fri 18 DecRet. Fri 08 Jan$2,023
Dep. Mon 04 JanRet. Tue 19 Jan$2,168
Dep. Sun 12 JulRet. Sun 06 Sep$2,287
EY Return flights from $949
Dep. Tue 10 NovRet. Mon 23 Nov$949
Dep. Fri 13 NovRet. Fri 27 Nov$949
EYShow more Flights
Dep. Mon 16 NovRet. Mon 30 Nov$949
Dep. Mon 12 OctRet. Mon 02 Nov$956
Dep. Mon 19 OctRet. Mon 02 Nov$956
Dep. Thu 05 NovRet. Thu 19 Nov$962
Dep. Tue 10 NovRet. Tue 24 Nov$962
Dep. Tue 10 NovRet. Tue 01 Dec$962
Dep. Wed 04 NovRet. Wed 18 Nov$962
Dep. Sun 18 OctRet. Tue 03 Nov$1,037
Dep. Mon 20 JulRet. Mon 17 Aug$1,176
Dep. Mon 20 JulRet. Mon 21 Sep$1,176
Dep. Sat 21 NovRet. Fri 04 Dec$1,220
Dep. Mon 12 OctRet. Sat 24 Oct$1,241
Dep. Sun 19 JulRet. Mon 17 Aug$1,267
Dep. Thu 13 AugRet. Mon 24 Aug$1,342
Dep. Fri 30 AprRet. Sat 22 May$1,488
Dep. Sun 12 JulRet. Sun 06 Sep$1,507
Dep. Thu 06 MayRet. Thu 24 Jun$1,840
Dep. Wed 30 SepRet. Sat 10 Oct$1,897
Dep. Mon 30 NovRet. Tue 22 Dec$1,903
Dep. Mon 04 JanRet. Tue 19 Jan$2,358
Dep. Fri 18 DecRet. Fri 08 Jan$2,480
EY,MU Return flights from $968
Dep. Mon 12 OctRet. Mon 02 Nov$968
Dep. Mon 19 OctRet. Mon 02 Nov$969
EY,MUShow more Flights
Dep. Mon 16 NovRet. Mon 30 Nov$969
Dep. Tue 10 NovRet. Mon 23 Nov$969
Dep. Wed 04 NovRet. Wed 18 Nov$983
Dep. Sun 19 JulRet. Mon 17 Aug$1,089
Dep. Mon 20 JulRet. Mon 17 Aug$1,095
Dep. Tue 10 NovRet. Tue 01 Dec$1,122
Dep. Thu 05 NovRet. Thu 19 Nov$1,123
Dep. Tue 10 NovRet. Tue 24 Nov$1,123
Dep. Fri 13 NovRet. Fri 27 Nov$1,123
Dep. Sun 18 OctRet. Tue 03 Nov$1,180
Dep. Thu 13 AugRet. Mon 24 Aug$1,259
Dep. Mon 12 OctRet. Sat 24 Oct$1,301
Dep. Sat 21 NovRet. Fri 04 Dec$1,387
Dep. Mon 20 JulRet. Mon 21 Sep$1,397
Dep. Fri 30 AprRet. Sat 22 May$1,499
Dep. Wed 30 SepRet. Sat 10 Oct$1,929
Dep. Mon 04 JanRet. Tue 19 Jan$2,314
Dep. Fri 18 DecRet. Fri 08 Jan$3,038
Dep. Sun 12 JulRet. Sun 06 Sep$8,238
Dep. Mon 30 NovRet. Tue 22 Dec$8,331
EI,MU,TR Return flights from $1,030
Dep. Wed 04 NovRet. Wed 18 Nov$1,030
Dep. Sat 21 NovRet. Fri 04 Dec$1,420
FR,MU,N0,TR Return flights from $1,042
Dep. Tue 10 NovRet. Mon 23 Nov$1,042
FR,HU,MU Return flights from $1,047
Dep. Tue 10 NovRet. Mon 23 Nov$1,047
FR,MU,TR Return flights from $1,060
Dep. Mon 16 NovRet. Mon 30 Nov$1,060
MU,N0,SK,TR Return flights from $1,069
Dep. Mon 16 NovRet. Mon 30 Nov$1,069
Dep. Tue 10 NovRet. Tue 01 Dec$1,298
BA,EI Return flights from $1,080
Dep. Mon 12 OctRet. Mon 02 Nov$1,080
Dep. Tue 10 NovRet. Mon 23 Nov$1,080
BA,EIShow more Flights
Dep. Tue 10 NovRet. Tue 24 Nov$1,080
Dep. Mon 19 OctRet. Mon 02 Nov$1,080
Dep. Wed 04 NovRet. Wed 18 Nov$1,080
Dep. Mon 16 NovRet. Mon 30 Nov$1,081
Dep. Sat 21 NovRet. Fri 04 Dec$1,081
Dep. Mon 12 OctRet. Sat 24 Oct$1,084
Dep. Tue 10 NovRet. Tue 01 Dec$1,183
Dep. Fri 13 NovRet. Fri 27 Nov$1,188
Dep. Mon 30 NovRet. Tue 22 Dec$1,291
Dep. Mon 20 JulRet. Mon 21 Sep$1,486
Dep. Thu 13 AugRet. Mon 24 Aug$1,509
Dep. Sun 18 OctRet. Tue 03 Nov$1,596
Dep. Mon 20 JulRet. Mon 17 Aug$1,633
Dep. Thu 05 NovRet. Thu 19 Nov$1,636
Dep. Sun 12 JulRet. Sun 06 Sep$1,661
Dep. Fri 30 AprRet. Sat 22 May$1,796
Dep. Sun 19 JulRet. Mon 17 Aug$1,921
Dep. Wed 30 SepRet. Sat 10 Oct$2,369
Dep. Mon 04 JanRet. Tue 19 Jan$2,446
Dep. Fri 18 DecRet. Fri 08 Jan$2,566
IB,MU,TR Return flights from $1,080
Dep. Mon 16 NovRet. Mon 30 Nov$1,080
EY,FR,MU,TR Return flights from $1,083
Dep. Mon 19 OctRet. Mon 02 Nov$1,083
Dep. Sun 18 OctRet. Tue 03 Nov$1,362
EI,JQ,MU,TR,U2 Return flights from $1,085
Dep. Mon 12 OctRet. Mon 02 Nov$1,085
Dep. Mon 19 OctRet. Mon 02 Nov$1,085
FR,JQ,MU,TR Return flights from $1,092
Dep. Wed 04 NovRet. Wed 18 Nov$1,092
EI,EW,MU,TR Return flights from $1,094
Dep. Mon 16 NovRet. Mon 30 Nov$1,094
KL,MU,TR Return flights from $1,095
Dep. Mon 16 NovRet. Mon 30 Nov$1,095

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 States (USA) 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
$1,364
Aug 2026
$747
Sep 2026
$1,707
Oct 2026
$895
Nov 2026
$864
Dec 2026
$1,924
Feb 2027
$895
Mar 2027
$893
Apr 2027
$1,759

The cheapest month to fly to Dublin is August 2026, with return fares from $747 — 61% cheaper than the most expensive month (December 2026, from $1,924).

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 $747. December is the most expensive month, with the cheapest return fares around $1,924 as school holidays and the Christmas peak push prices up.

Across the year, return fares to Dublin average around $1,228. 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
$1,364
August 2026
$747
September 2026
$1,707
October 2026
$895
November 2026
$864
December 2026
$1,924
February 2027
$895
March 2027
$893
April 2027
$1,759

Average Sydney to Dublin Return Prices

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

July 2026
$2,607
August 2026
$1,770
September 2026
$1,898
October 2026
$1,808
November 2026
$1,655
December 2026
$2,807
February 2027
$1,681
March 2027
$1,755
April 2027
$2,048

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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