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 $764
Dep. Mon 27 JulRet. Mon 10 Aug$764
Dep. Mon 27 JulRet. Mon 17 Aug$764
MUShow more Flights
Dep. Tue 28 JulRet. Wed 12 Aug$764
Dep. Thu 30 JulRet. Mon 17 Aug$772
Dep. Sun 02 AugRet. Mon 17 Aug$792
Dep. Sat 25 JulRet. Mon 10 Aug$807
Dep. Sun 26 JulRet. Mon 17 Aug$822
Dep. Thu 06 AugRet. Mon 24 Aug$865
Dep. Mon 12 OctRet. Mon 02 Nov$956
Dep. Tue 10 NovRet. Tue 24 Nov$1,087
Dep. Tue 03 NovRet. Tue 17 Nov$1,094
Dep. Thu 15 OctRet. Tue 03 Nov$1,109
Dep. Tue 27 OctRet. Tue 10 Nov$1,113
Dep. Wed 07 OctRet. Wed 28 Oct$1,583
Dep. Sat 05 DecRet. Fri 18 Dec$1,723
Dep. Tue 06 OctRet. Tue 27 Oct$1,792
Dep. Sun 06 DecRet. Tue 05 Jan$1,979
EY,MU Return flights from $961
Dep. Mon 12 OctRet. Mon 02 Nov$961
Dep. Wed 07 OctRet. Wed 28 Oct$1,032
EY,MUShow more Flights
Dep. Tue 10 NovRet. Tue 24 Nov$1,110
Dep. Tue 27 OctRet. Tue 10 Nov$1,111
Dep. Tue 03 NovRet. Tue 17 Nov$1,115
Dep. Sun 02 AugRet. Mon 17 Aug$1,129
Dep. Thu 06 AugRet. Mon 24 Aug$1,130
Dep. Thu 30 JulRet. Mon 17 Aug$1,133
Dep. Mon 27 JulRet. Mon 17 Aug$1,139
Dep. Thu 15 OctRet. Tue 03 Nov$1,221
Dep. Sun 26 JulRet. Mon 17 Aug$1,243
Dep. Tue 06 OctRet. Tue 27 Oct$1,342
Dep. Mon 27 JulRet. Mon 10 Aug$1,357
Dep. Tue 28 JulRet. Wed 12 Aug$1,596
Dep. Sat 25 JulRet. Mon 10 Aug$1,611
Dep. Sat 05 DecRet. Fri 18 Dec$2,377
Dep. Sun 06 DecRet. Tue 05 Jan$2,427
EY Return flights from $973
Dep. Mon 12 OctRet. Mon 02 Nov$973
Dep. Tue 10 NovRet. Tue 24 Nov$985
EYShow more Flights
Dep. Tue 03 NovRet. Tue 17 Nov$986
Dep. Tue 27 OctRet. Tue 10 Nov$996
Dep. Wed 07 OctRet. Wed 28 Oct$1,064
Dep. Thu 15 OctRet. Tue 03 Nov$1,167
Dep. Thu 06 AugRet. Mon 24 Aug$1,176
Dep. Mon 27 JulRet. Mon 17 Aug$1,327
Dep. Thu 30 JulRet. Mon 17 Aug$1,356
Dep. Tue 06 OctRet. Tue 27 Oct$1,370
Dep. Sun 26 JulRet. Mon 17 Aug$1,480
Dep. Sun 02 AugRet. Mon 17 Aug$1,485
Dep. Mon 27 JulRet. Mon 10 Aug$1,487
Dep. Sat 25 JulRet. Mon 10 Aug$1,580
Dep. Tue 28 JulRet. Wed 12 Aug$1,611
Dep. Sun 06 DecRet. Tue 05 Jan$1,791
Dep. Sat 05 DecRet. Fri 18 Dec$2,103
EI,JQ,MU,TR,U2 Return flights from $1,076
Dep. Mon 12 OctRet. Mon 02 Nov$1,076
EI,MU,TR,U2 Return flights from $1,079
Dep. Wed 07 OctRet. Wed 28 Oct$1,079
Dep. Mon 12 OctRet. Mon 02 Nov$1,080
EI,MU,TR Return flights from $1,086
Dep. Wed 07 OctRet. Wed 28 Oct$1,086
Dep. Sun 02 AugRet. Mon 17 Aug$1,445
EI,MU,TRShow more Flights
Dep. Sat 05 DecRet. Fri 18 Dec$2,067
EY,FR,MU Return flights from $1,103
Dep. Mon 12 OctRet. Mon 02 Nov$1,103
Dep. Thu 06 AugRet. Mon 24 Aug$1,172
EY,FR,MUShow more Flights
Dep. Wed 07 OctRet. Wed 28 Oct$1,184
Dep. Sun 02 AugRet. Mon 17 Aug$1,236
Dep. Tue 03 NovRet. Tue 17 Nov$1,271
Dep. Tue 27 OctRet. Tue 10 Nov$1,288
Dep. Thu 30 JulRet. Mon 17 Aug$1,324
JQ,KL,MU,TR Return flights from $1,111
Dep. Mon 12 OctRet. Mon 02 Nov$1,111
KL,MU,TR Return flights from $1,115
Dep. Mon 12 OctRet. Mon 02 Nov$1,115
FR,JQ,MU,TR Return flights from $1,118
Dep. Wed 07 OctRet. Wed 28 Oct$1,118
FR,MU,TR Return flights from $1,119
Dep. Wed 07 OctRet. Wed 28 Oct$1,119
Dep. Sun 06 DecRet. Tue 05 Jan$1,868
EY,JQ,MU Return flights from $1,121
Dep. Mon 12 OctRet. Mon 02 Nov$1,121
Dep. Wed 07 OctRet. Wed 28 Oct$1,235
EY,JQ,MUShow more Flights
Dep. Tue 28 JulRet. Wed 12 Aug$1,286
Dep. Tue 27 OctRet. Tue 10 Nov$1,288
Dep. Tue 03 NovRet. Tue 17 Nov$1,288
Dep. Thu 15 OctRet. Tue 03 Nov$1,291
Dep. Thu 06 AugRet. Mon 24 Aug$1,324
Dep. Thu 30 JulRet. Mon 17 Aug$1,324
Dep. Sun 02 AugRet. Mon 17 Aug$1,324
Dep. Sat 25 JulRet. Mon 10 Aug$1,445
AC Return flights from $1,122
Dep. Tue 27 OctRet. Tue 10 Nov$1,122
Dep. Thu 15 OctRet. Tue 03 Nov$1,211
ACShow more Flights
Dep. Tue 10 NovRet. Tue 24 Nov$1,241
Dep. Tue 03 NovRet. Tue 17 Nov$1,250
Dep. Mon 12 OctRet. Mon 02 Nov$1,275
Dep. Tue 06 OctRet. Tue 27 Oct$1,437
Dep. Wed 07 OctRet. Wed 28 Oct$1,445
Dep. Sun 26 JulRet. Mon 17 Aug$1,875
Dep. Sun 02 AugRet. Mon 17 Aug$1,875
Dep. Thu 30 JulRet. Mon 17 Aug$1,889
Dep. Thu 06 AugRet. Mon 24 Aug$2,152
Dep. Sun 06 DecRet. Tue 05 Jan$4,346
Dep. Sat 05 DecRet. Fri 18 Dec$4,394
D8,JQ,MU,OS,TR Return flights from $1,124
Dep. Mon 12 OctRet. Mon 02 Nov$1,124
CZ,FR,MU Return flights from $1,126
Dep. Thu 06 AugRet. Mon 24 Aug$1,126
Dep. Tue 27 OctRet. Tue 10 Nov$1,287
CZ,FR,MUShow more Flights
Dep. Tue 03 NovRet. Tue 17 Nov$1,287

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.

Aug 2026
$758
Sep 2026
$1,576
Oct 2026
$907
Nov 2026
$870
Feb 2027
$908
Mar 2027
$907
Apr 2027
$1,680
May 2027
$1,366

The cheapest month to fly to Dublin is August 2026, with return fares from $758 — 55% cheaper than the most expensive month (April 2027, from $1,680).

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 $758. April is the most expensive month, with the cheapest return fares around $1,680.

Across the year, return fares to Dublin average around $1,121. 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
$758
September 2026
$1,576
October 2026
$907
November 2026
$870
February 2027
$908
March 2027
$907
April 2027
$1,680
May 2027
$1,366

Average Sydney to Dublin Return Prices

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

August 2026
$1,776
September 2026
$1,890
October 2026
$1,788
November 2026
$1,613
December 2026
$2,761
January 2027
$2,787
February 2027
$1,694
March 2027
$1,745
April 2027
$1,869
May 2027
$1,800

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 Los AngelesFlights to SydneyFlights to ZurichFlights to MelbourneFlights to VeniceFlights to HobartFlights to TorontoFlights to Houston - All AirportsFlights to VancouverFlights to Guatemala CityFlights to Seattle

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