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Cheap flights from Sydney to Northern Ireland from $772

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BFS
5 Nov — 12 Nov1
1 adult
1 adult, Economy

Cheap 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 6 October 2025.

Round-trip from

$1,778

One-way from

$772

Popular in

July

Cheapest in

June

Average price

$2,047
19/11-26/11
  • 19/11-26/11
  • 6 total stops
  • 85h 55m total
  • Sydney to Northern Ireland
Search Deals
15/1
  • 15/1
  • 3 total stops
  • 45h 25m total
  • Sydney to Northern Ireland
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($280 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($223 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find 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 6 October 2025.

Wed 19/1121:15SYD - BFS
3 stops36h 05mMultiple Airlines
Wed 26/1106:30BFS - SYD
3 stops49h 50mMultiple Airlines
Deal found 4/10$1,778
Tue 30/1215:55SYD - BHD
2 stops29h 35mMultiple Airlines
Tue 20/108:45BHD - SYD
2 stops34h 50mMultiple Airlines
Deal found 6/10$3,562

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 647,157 searches. Data last updated 6 October 2025.
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 19/11

21:15-22:20

3 stops36h 05m

Belfast Intl

Wed 26/11

06:30-19:20

3 stops49h 50m

$1,778

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 12/3

14:30-10:20

2 stops30h 50m

Belfast City

Mon 16/3

11:30-09:35

2 stops35h 05m

$2,308

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 11/3

15:15-09:10

2 stops28h 55m

Belfast City

Sun 15/3

10:40-07:25

2 stops33h 45m

$2,308

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 11/3

11:15-16:50

2 stops40h 35m

Belfast City

Sun 15/3

06:30-07:25

3 stops37h 55m

$2,679

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 12/3

12:10-16:50

2 stops39h 40m

Belfast City

Mon 16/3

06:30-07:25

3 stops37h 55m

$3,018

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 15/1

11:40-22:05

3 stops45h 25m

$772

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 20/11

12:00-17:20

3 stops40h 20m

$2,858

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Fri 12/12

21:30-21:10

3 stops58h 40m

$3,522

Flights are sorted by cheapest return flights first.

Deals found on 4/10

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, June is the cheapest month in which you can book a flight from Sydney to Northern Ireland (average of $1,584). Flying from Sydney to Northern Ireland in December is currently the most expensive (average of $2,562). 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.

What is the cheapest time of day to fly from SYD to NIR?

Find hourly flight availability from Sydney to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 October 2025.

It’s optimal to fly from Sydney to Northern Ireland in the afternoon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the evening.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 6 October 2025.
See what other customers who have flown with British Airways from Sydney to Northern Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,430 reviews
Check prices

Entertainment

6.4

Comfort

6.7

Overall

6.7

Crew

7.6

Food

6.3

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.
British Airways
6.7
Okay
7,430 reviews
British Airways
6.7
Okay
7,430 reviews
Check prices

Entertainment

6.4

Comfort

6.7

Overall

6.7

Crew

7.6

Food

6.3

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.

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?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Northern Ireland. It is only a 7.5 km journey to Kingsford Smith (SYD) from Sydney’s city centre.

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

    Departing from Sydney to Northern Ireland will take you 30h 50m. Airlines will cover a distance of 17094 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, June is the cheapest month in which you can book a flight from Sydney to Northern Ireland (average of $1,584). Flying from Sydney to Northern Ireland in December is currently the most expensive (average of $2,562). 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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Alternative routes for Sydney to Northern Ireland

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Top airline flying from Sydney to Northern Ireland

Discover the top airline that operate flights from Sydney to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 6 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,596Average$2,212FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Northern Ireland from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Sydney to Northern Ireland with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to Northern Ireland become cheaper?

Not ready to book yet? You can track prices for flights from Sydney to Northern Ireland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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