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Cheap flights from Northern Ireland to Sydney from $759

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — SYD
30 Jul — 6 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap 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 30 June 2026.

Thu 13/816:40
BFS
-
SYD
2 stops31h 40m
Multiple Airlines
Thu 20/820:35
SYD
-
BFS
2 stops35h 15m
Multiple Airlines
Deal found 29/6$2,374
Sat 26/1210:00
BHD
-
SYD
2 stops34h 20m
Multiple Airlines
Sat 16/112:00
SYD
-
BHD
2 stops36h 35m
Multiple Airlines
Deal found 28/6$2,376
Wed 12/806:10
BFS
-
SYD
2 stops28h 15m
Multiple Airlines
Wed 19/810:05
SYD
-
BFS
2 stops32h 50m
Multiple Airlines
Deal found 28/6$2,416
Sat 26/1208:10
BFS
-
SYD
2 stops36h 10m
Multiple Airlines
Sat 16/112:00
SYD
-
BFS
2 stops39h 05m
Multiple Airlines
Deal found 28/6$2,437
Wed 7/1007:00
BHD
-
SYD
3 stops37h 55m
Multiple Airlines
Sat 24/1010:45
SYD
-
BHD
3 stops43h 10m
Multiple Airlines
Deal found 30/6$2,442
Sat 7/1106:35
BHD
-
SYD
2 stops49h 15m
British Airways
Wed 11/1121:40
SYD
-
BHD
2 stops29h 55m
British Airways
Deal found 25/6$2,512
Tue 4/806:15
BFS
-
SYD
2 stops41h 10m
Multiple Airlines
Tue 25/821:45
SYD
-
BFS
2 stops33h 40m
Multiple Airlines
Deal found 29/6$2,647
Sun 27/1220:25
BHD
-
SYD
2 stops36h 55m
Multiple Airlines
Fri 8/115:15
SYD
-
BHD
2 stops52h 00m
Multiple Airlines
Deal found 28/6$2,666
Wed 7/1013:50
BFS
-
SYD
2 stops30h 45m
Multiple Airlines
Sat 24/1021:35
SYD
-
BFS
2 stops35h 00m
Multiple Airlines
Deal found 30/6$2,847
Sat 1/807:05
BHD
-
SYD
2 stops51h 20m
British Airways
Sat 15/810:05
SYD
-
BHD
2 stops67h 30m
British Airways
Deal found 27/6$3,125
Mon 3/814:20
BFS
-
SYD
2 stops30h 50m
Multiple Airlines
Fri 14/815:40
SYD
-
BFS
2 stops29h 15m
Multiple Airlines
Deal found 26/6$3,172
Fri 11/1206:30
BFS
-
SYD
2 stops37h 50m
Multiple Airlines
Mon 4/112:00
SYD
-
BFS
2 stops33h 40m
Multiple Airlines
Deal found 28/6$3,241

Find 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 30 June 2026.

Round-trip from

$2,374

One-way from

$759

Popular in

July

Cheapest in

November

Average price

$2,145
13/8-20/8
  • 13/8-20/8
  • 4 total stops
  • 66h 55m total
  • Northern Ireland to Sydney
Search Deals
1/9
  • 1/9
  • 3 total stops
  • 52h 05m total
  • Northern Ireland to Sydney
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($487 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($176 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 30 June 2026.
Use the filters below to find and compare flights from Northern Ireland to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 13/8

16:40-09:20

2 stops31h 40m

Sydney Kingsford Smith

Thu 20/8

20:35-22:50

2 stops35h 15m

$2,374

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 12/8

06:10-19:25

2 stops28h 15m

Sydney Kingsford Smith

Wed 19/8

10:05-09:55

2 stops32h 50m

$2,416

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 26/12

06:00-07:20

3 stops38h 20m

Sydney Kingsford Smith

Sat 16/1

10:45-17:50

3 stops42h 05m

$2,460

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 7/11

06:35-18:50

2 stops49h 15m

Sydney Kingsford Smith

Wed 11/11

21:40-16:35

2 stops29h 55m

$2,512

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 4/8

06:15-08:25

2 stops41h 10m

Sydney Kingsford Smith

Tue 25/8

21:45-22:25

2 stops33h 40m

$2,647

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 7/10

13:50-06:35

2 stops30h 45m

Sydney Kingsford Smith

Sat 24/10

21:35-22:35

2 stops35h 00m

$2,847

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 1/8

07:05-19:25

2 stops51h 20m

Sydney Kingsford Smith

Sat 15/8

10:05-20:35

2 stops67h 30m

$3,125
Fastest return journey

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 3/8

14:20-06:10

2 stops30h 50m

Sydney Kingsford Smith

Fri 14/8

15:40-11:55

2 stops29h 15m

$3,172

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Fri 11/12

06:30-07:20

2 stops37h 50m

Sydney Kingsford Smith

Mon 4/1

12:00-10:40

2 stops33h 40m

$3,241

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sun 27/12

09:40-10:45

3 stops38h 05m

Sydney Kingsford Smith

Fri 8/1

12:00-16:50

2 stops63h 50m

$3,601

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 15 resultsSorted by cheapest first
1
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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, May is the cheapest month in which you can book a flight from Northern Ireland to Sydney (average of $972). Flying from Northern Ireland to Sydney in July is currently the most expensive (average of $3,659). 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?

    British Airways can get you from Northern Ireland to Sydney in just under 49h 15m. 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, May is the cheapest month in which you can book a flight from Northern Ireland to Sydney (average of $972). Flying from Northern Ireland to Sydney in July is currently the most expensive (average of $3,659). 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
Penrith
Manly
Katoomba
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
Coogee

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How does Cheapflights help users find flights from Northern Ireland to Sydney?

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Why should you use Cheapflights to find cheap flight tickets from Northern Ireland to Sydney?

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Can Cheapflights find flights from Northern Ireland to Sydney with no change fees?

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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