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Cheap flights from Dublin to Sydney from £351

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Sydney departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Dublin to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
China Eastern Logo
10:55 - 12:35
DUB
-
SYD
40h 40m
1 stop
China Eastern Logo
11:00 - 08:00
SYD
-
DUB
30h 00m
1 stop
£612China Eastern
Mon, 31 Aug - Sun, 13 Sep
China Eastern Logo
10:55 - 08:00
DUB
-
SYD
36h 05m
3 stops
China Eastern Logo
11:00 - 08:00
SYD
-
DUB
30h 00m
1 stop
£617China Eastern
Mon, 31 Aug - Sun, 13 Sep
China Eastern Logo
10:55 - 12:35
DUB
-
SYD
40h 40m
1 stop
China Eastern Logo
10:05 - 08:00
SYD
-
DUB
54h 55m
2 stops
£648China Eastern
Mon, 31 Aug - Wed, 16 Sep
China Eastern Logo
10:55 - 08:00
DUB
-
SYD
36h 05m
3 stops
China Eastern Logo
10:05 - 08:00
SYD
-
DUB
54h 55m
2 stops
£654China Eastern
Mon, 31 Aug - Wed, 16 Sep
China Eastern Logo
10:55 - 10:00
DUB
-
SYD
37h 05m
1 stop
China Eastern Logo
12:00 - 06:15
SYD
-
DUB
29h 15m
1 stop
£692China Eastern
Mon, 19 Oct - Sun, 8 Nov
China Eastern Logo
10:55 - 10:00
DUB
-
SYD
37h 05m
1 stop
China Eastern Logo
12:00 - 06:15
SYD
-
DUB
29h 15m
1 stop
£697China Eastern
Mon, 19 Oct - Sun, 8 Nov
China Eastern Logo
10:55 - 12:35
DUB
-
SYD
40h 40m
1 stop
China Eastern Logo
11:00 - 08:00
SYD
-
DUB
30h 00m
1 stop
£698China Eastern
Mon, 31 Aug - Thu, 17 Sep
China Eastern Logo
10:55 - 10:00
DUB
-
SYD
37h 05m
1 stop
China Eastern Logo
12:00 - 06:15
SYD
-
DUB
29h 15m
1 stop
£699China Eastern
Mon, 19 Oct - Sun, 8 Nov
China Eastern Logo
10:55 - 10:00
DUB
-
SYD
37h 05m
1 stop
China Eastern Logo
12:00 - 06:15
SYD
-
DUB
29h 15m
1 stop
£700China Eastern
Mon, 19 Oct - Sun, 8 Nov
China Eastern Logo
10:55 - 08:00
DUB
-
SYD
36h 05m
3 stops
China Eastern Logo
20:30 - 08:00
SYD
-
DUB
44h 30m
1 stop
£703China Eastern
Mon, 31 Aug - Mon, 14 Sep

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China Eastern flights from Dublin to Sydney

Our best China Eastern deals on Dublin to Sydney flight tickets
China Eastern
31 Aug
DUB10:55Dublin
40h 40m
1 stop
SYD12:35Sydney Kingsford Smith
13 Sept
SYD11:00Sydney Kingsford Smith
30h 00m
1 stop
DUB08:00Dublin
£612
China Eastern
31 Aug
DUB10:55Dublin
36h 05m
3 stops
SYD08:00Sydney Kingsford Smith
13 Sept
SYD11:00Sydney Kingsford Smith
30h 00m
1 stop
DUB08:00Dublin
£617
China Eastern
31 Aug
DUB10:55Dublin
40h 40m
1 stop
SYD12:35Sydney Kingsford Smith
16 Sept
SYD10:05Sydney Kingsford Smith
54h 55m
2 stops
DUB08:00Dublin
£648

Qatar Airways flights from Dublin to Sydney

Our best Qatar Airways deals on Dublin to Sydney flight tickets
Qatar Airways
30 Jun
DUB21:45Dublin
34h 25m
1 stop
SYD17:10Sydney Kingsford Smith
28 Jul
SYD14:50Sydney Kingsford Smith
31h 40m
1 stop
DUB13:30Dublin
£979
Qatar Airways
30 Jun
DUB21:45Dublin
34h 25m
1 stop
SYD17:10Sydney Kingsford Smith
28 Jul
SYD14:50Sydney Kingsford Smith
31h 40m
1 stop
DUB13:30Dublin
£986
Qatar Airways
22 Jun
DUB08:15Dublin
29h 05m
2 stops
SYD22:20Sydney Kingsford Smith
30 Jun
SYD20:45Sydney Kingsford Smith
43h 00m
1 stop
DUB06:45Dublin
£986

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 20 June 2026.
Use the filters below to find and compare flights from Dublin to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 31/8

10:55-12:35

1 stop40h 40m

Sydney Kingsford Smith

Sun 13/9

11:00-08:00

1 stop30h 00m

£612
Fastest return journey

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 31/8

10:55-08:00

3 stops36h 05m

Sydney Kingsford Smith

Sun 13/9

11:00-08:00

1 stop30h 00m

£617

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 31/8

10:55-12:35

1 stop40h 40m

Sydney Kingsford Smith

Wed 16/9

10:05-08:00

2 stops54h 55m

£648

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 31/8

10:55-08:00

3 stops36h 05m

Sydney Kingsford Smith

Wed 16/9

10:05-08:00

2 stops54h 55m

£654

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 19/10

10:55-10:00

1 stop37h 05m

Sydney Kingsford Smith

Sun 8/11

12:00-06:15

1 stop29h 15m

£692

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 19/10

10:55-10:00

1 stop37h 05m

Sydney Kingsford Smith

Sun 8/11

12:00-06:15

1 stop29h 15m

£697

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 31/8

10:55-12:35

1 stop40h 40m

Sydney Kingsford Smith

Thu 17/9

11:00-08:00

1 stop30h 00m

£698

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 19/10

10:55-10:00

1 stop37h 05m

Sydney Kingsford Smith

Sun 8/11

12:00-06:15

1 stop29h 15m

£699

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 19/10

10:55-10:00

1 stop37h 05m

Sydney Kingsford Smith

Sun 8/11

12:00-06:15

1 stop29h 15m

£700

DublinSydney

DUB - SYD

DUBSYD

Dublin

Mon 31/8

10:55-08:00

3 stops36h 05m

Sydney Kingsford Smith

Mon 14/9

20:30-08:00

1 stop44h 30m

£703

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Dublin to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Dublin and Sydney?

What is the cheapest month to fly to Sydney?

In general, May is the cheapest month to fly from Dublin to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £953. If you don’t want to visit Sydney in May, then you should wait until February to fly from Dublin, when ticket prices are also cheap, with an average price of £970.

How far in advance should I book a flight from Dublin to Sydney?

You are more likely to see cheaper flights to Sydney from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £1,114 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Dublin for as low as £986 on momondo.

Can stopping save me money on Dublin to Sydney flights?

You could potentially save up to 24% on your flight if you consider stops on a Dublin to Sydney flight.

How have Dublin to Sydney flight prices changed over time?

As of June 2026, prices for Dublin to Sydney flights are approximately 37% cheaper when compared to flights at the same time last year.

When to book flights from Dublin to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Sydney (DUB to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Sydney

Fastest flight time

33h 35m

Direct flights

None
The fastest flight from Dublin to Sydney takes 33h 35m
There are no direct flights from Dublin to Sydney. There are no popular flight routes from Dublin to Sydney.
Search flight deals

Frequently asked questions about flying from Dublin to Sydney

  • How far is Dublin to Sydney Kingsford Smith by plane?

    The straight-line distance from Dublin to Sydney Kingsford Smith is 10689.8 mi. 33h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Dublin Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Dublin Airport to Sydney Kingsford Smith Airport were last updated today.

  • How many operators does momondo search for flights from Dublin Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Dublin Airport to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Dublin to Sydney?

Best airlines flying from Dublin to Sydney

Compare and see reviews for airlines that fly from Dublin to Sydney with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom £673Free CancellationRating
6.7
8,055 reviews
Search British Airways flights
LufthansaPriceFrom £692Free CancellationRating
6.8
8,081 reviews
Search Lufthansa flights
SWISSPriceFrom £707Free CancellationRating
7.5
1,971 reviews
Search SWISS flights
Etihad AirwaysPriceFrom £804Free CancellationRating
7.3
1,454 reviews
Search Etihad Airways flights
Turkish AirlinesPriceFrom £833Free CancellationRating
7.4
4,410 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom £875Free CancellationRating
7.3
3,727 reviews
Search Qatar Airways flights
Qantas AirwaysPriceFrom £900Free CancellationRating
7.5
1,047 reviews
Search Qantas Airways flights
EmiratesPriceFrom £962Free CancellationRating
8.1
3,591 reviews
Search Emirates flights
United AirlinesPriceFrom £1,055Free CancellationRating
7.4
9,865 reviews
Search United Airlines flights
Air FrancePriceFrom £1,072Free CancellationRating
7.4
1,610 reviews
Search Air France flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Coogee
Leura
Randwick
Manly
Katoomba
Penrith
Cronulla
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Sydney . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Dublin to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Dublin with this policy.

How can momondo help me find flights from Dublin to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dublin to Sydney.

I’m not ready to book a flight from Dublin to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Dublin to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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