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Cheap flights from Northern Ireland to Sydney from $771

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — SYD
19 dic — 26 dic1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Northern Ireland to Sydney

Keep the following information in mind while searching for Northern Ireland to Sydney flight deals. Data was last updated 19 novembre 2025.

Round-trip from

$1,456

One-way from

$771

Popular in

December

Cheapest in

October

Average price

$2,255
11/5-31/5
  • 11/5-31/5
  • 4 total stops
  • 84h 50m total
  • Northern Ireland to Sydney
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15/3
  • 15/3
  • 3 total stops
  • 46h 55m total
  • Northern Ireland to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($180 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($89 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Northern Ireland to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Sydney
Explore the most affordable flight options available from Northern Ireland to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 novembre 2025.

sab 22/1111:35BHD - SYD
2 stops34h 50mMultiple Airlines
dom 7/1211:25SYD - BHD
2 stops55h 15mMultiple Airlines
Deal found 16/11$1,687
gio 11/1209:45BFS - SYD
3 stops40h 50mMultiple Airlines
ven 30/112:00SYD - BFS
2 stops33h 05mMultiple Airlines
Deal found 18/11$1,987
mar 18/1117:15BHD - SYD
2 stops26h 40mBritish Airways
mar 25/1116:20SYD - BHD
2 stops27h 05mBritish Airways
Deal found 17/11$2,328
mar 18/1107:20BHD - SYD
3 stops39h 55mMultiple Airlines
mar 25/1115:55SYD - BHD
3 stops35h 20mMultiple Airlines
Deal found 17/11$2,385
mar 18/1113:55BFS - SYD
2 stops32h 40mMultiple Airlines
mar 25/1122:20SYD - BFS
2 stops34h 30mMultiple Airlines
Deal found 17/11$2,439
gio 11/1215:05BHD - SYD
2 stops35h 30mMultiple Airlines
ven 30/115:15SYD - BHD
2 stops52h 00mMultiple Airlines
Deal found 18/11$2,739
sab 27/1206:30BHD - SYD
2 stops37h 05mMultiple Airlines
ven 16/115:55SYD - BHD
2 stops35h 55mMultiple Airlines
Deal found 18/11$4,325
sab 27/1206:35BHD - SYD
3 stops38h 40mAmerican Airlines
ven 16/117:45SYD - BHD
2 stops34h 30mAmerican Airlines
Deal found 17/11$4,903

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland 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, Cheapflights users made 647,157 searches. Data last updated 19 novembre 2025.
Use the filters below to find and compare flights from Northern Ireland to Sydney that are best for you.

Fly from

Northern Ireland

Fly to

Sydney

Route

Depart

Return

Price

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

lun 11/5

06:40-08:25

2 stops40h 45m

Sydney Kingsford Smith

dom 31/5

21:45-08:50

2 stops44h 05m

$1,456

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

dom 4/1

06:30-09:25

2 stops39h 55m

Sydney Kingsford Smith

mer 4/3

22:00-07:30

2 stops44h 30m

$1,744

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

lun 11/5

15:05-09:00

2 stops32h 55m

Sydney Kingsford Smith

dom 31/5

10:15-20:15

3 stops43h 00m

$1,907

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

gio 11/12

09:45-13:35

3 stops40h 50m

Sydney Kingsford Smith

ven 30/1

12:00-10:05

2 stops33h 05m

$1,987

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

dom 15/3

06:30-09:00

2 stops39h 30m

Sydney Kingsford Smith

mer 18/3

13:05-10:15

2 stops32h 10m

$2,018

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

sab 7/3

18:00-18:50

2 stops37h 50m

Sydney Kingsford Smith

mer 11/3

21:40-07:30

2 stops44h 50m

$2,275

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

sab 7/3

11:35-09:00

2 stops34h 25m

Sydney Kingsford Smith

mer 11/3

09:45-10:15

3 stops35h 30m

$2,672

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

gio 11/12

15:05-13:35

2 stops35h 30m

Sydney Kingsford Smith

ven 30/1

15:15-08:15

2 stops52h 00m

$2,739

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

sab 27/12

06:30-06:35

2 stops37h 05m

Sydney Kingsford Smith

ven 16/1

15:55-16:50

2 stops35h 55m

$4,325

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

dom 15/3

08:55-18:50

3 stops46h 55m

$771

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Best time to book a flight from Northern Ireland to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Northern Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Northern Ireland to Sydney

What is the cheapest month to book a flight from Northern Ireland to Sydney?

Currently, November is the cheapest month in which you can book a flight from Northern Ireland to Sydney (average of $1,879). Flying from Northern Ireland to Sydney in August is currently the most expensive (average of $2,453). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Northern Ireland?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly into when you book flights from Northern Ireland to Sydney.

  • How long is the flight from Northern Ireland to Sydney?

    American Airlines can get you from Northern Ireland to Sydney in just under 39h 30m. Your travel time can differ by up to . The distance from Northern Ireland to Sydney is about 17094 km.

  • Can I find deals for flights from Northern Ireland to Sydney that include hotel bookings?

    Yes. In addition to deals on Northern Ireland to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Northern Ireland to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Northern Ireland to Sydney.

  • Can I find deals for business class flights from Northern Ireland to Sydney?

    Yes. Cheapflights offers flight deals from Northern Ireland to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Northern Ireland to Sydney?

    Currently, November is the cheapest month in which you can book a flight from Northern Ireland to Sydney (average of $1,879). Flying from Northern Ireland to Sydney in August is currently the most expensive (average of $2,453). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

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

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Northern Ireland to Sydney flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Northern Ireland to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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