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Cheap flights from Sydney to Northern Ireland from £845

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BFS
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Northern Ireland
Explore the most affordable flight options available from Sydney to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 February 2026.

Wed 18/312:30
SYD
-
BFS
2 stops36h 40m
Multiple Airlines
Wed 25/317:30
BFS
-
SYD
2 stops53h 55m
Multiple Airlines
Deal found 1/2£845
Wed 18/216:20
SYD
-
BHD
2 stops28h 55m
British Airways
Sun 22/217:35
BHD
-
SYD
2 stops50h 20m
British Airways
Deal found 2/2£914
Wed 13/514:35
SYD
-
BHD
2 stops32h 00m
British Airways
Sun 7/611:00
BHD
-
SYD
2 stops34h 05m
British Airways
Deal found 3/2£929
Sun 24/510:10
SYD
-
BHD
2 stops33h 20m
British Airways
Wed 24/611:35
BHD
-
SYD
2 stops33h 30m
British Airways
Deal found 2/2£930
Mon 1/610:10
SYD
-
BHD
2 stops31h 40m
British Airways
Tue 30/616:25
BHD
-
SYD
2 stops28h 40m
British Airways
Deal found 2/2£978
Sat 30/514:35
SYD
-
BHD
2 stops30h 50m
British Airways
Tue 30/616:25
BHD
-
SYD
2 stops28h 40m
British Airways
Deal found 2/2£1,026
Wed 13/514:45
SYD
-
BHD
2 stops30h 15m
Multiple Airlines
Sun 7/615:50
BHD
-
SYD
3 stops32h 00m
Multiple Airlines
Deal found 3/2£1,212

Find flight deals from Sydney to Northern Ireland

Keep the following information in mind while searching for Sydney to Northern Ireland flight deals. Data was last updated 3 February 2026.

Round-trip from

£845

Popular in

July

Cheapest in

October

Average price

£963
18/3-25/3
  • 18/3-25/3
  • 4 total stops
  • 90h 35m total
  • Sydney to Northern Ireland
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£182 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£40 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Northern Ireland 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 858,174 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from Sydney to Northern Ireland that are best for you.

Fly from

Sydney

Fly to

Northern Ireland

Route

Depart

Return

Price

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 18/3

12:30-14:10

2 stops36h 40m

Belfast Intl

Wed 25/3

17:30-10:25

2 stops53h 55m

£845

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 18/2

16:20-10:15

2 stops28h 55m

Belfast City

Sun 22/2

17:35-06:55

2 stops50h 20m

£914

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 19/2

16:20-10:20

2 stops29h 00m

Belfast City

Mon 23/2

19:25-06:55

2 stops48h 30m

£914

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 24/5

10:10-10:30

2 stops33h 20m

Belfast City

Wed 24/6

11:35-06:05

2 stops33h 30m

£929

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

14:35-13:35

2 stops32h 00m

Belfast City

Sun 7/6

11:00-06:05

2 stops34h 05m

£929

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Best time to book a flight from Sydney to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Sydney 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 Sydney to Northern Ireland

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

Currently, January is the cheapest month in which you can book a flight from Sydney to Northern Ireland (average of £789). Flying from Sydney to Northern Ireland in December is currently the most expensive (average of £1,254). 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 Sydney to Northern Ireland. 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 from for flights from Sydney to Northern Ireland?

    For a flight from Sydney to Northern Ireland, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city.

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

    Airlines like British Airways fly from Sydney to Northern Ireland in about 28h 55m. The time it takes to get you to your destination can typically vary by up to . There are 10622 mi between Sydney and Northern Ireland.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney to Northern Ireland 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 Sydney to Northern Ireland?

    Currently, January is the cheapest month in which you can book a flight from Sydney to Northern Ireland (average of £789). Flying from Sydney to Northern Ireland in December is currently the most expensive (average of £1,254). 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

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

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