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Cheap flights from Sydney to Northern Ireland from $784

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Northern Ireland departing on 20/11. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:05 - 23:55SYD-BFS
38h 50m3 stops
Multiple Airlines Logo
14:35 - 09:25BFS-SYD
31h 50m3 stops
$1,827Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Multiple Airlines Logo
20:05 - 23:55SYD-BFS
38h 50m3 stops
Multiple Airlines Logo
14:35 - 09:25BFS-SYD
31h 50m3 stops
$1,832Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Multiple Airlines Logo
20:05 - 23:55SYD-BFS
38h 50m3 stops
Multiple Airlines Logo
14:35 - 10:00BFS-SYD
32h 25m2 stops
$1,835Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
British Airways Logo
16:20 - 10:20SYD-BHD
29h 00m2 stops
British Airways Logo
06:35 - 06:55BHD-SYD
37h 20m2 stops
$1,943British Airways
Find Deal
Sun, 8 Mar - Tue, 10 Mar
British Airways Logo
16:20 - 10:20SYD-BHD
29h 00m2 stops
British Airways Logo
06:35 - 06:55BHD-SYD
37h 20m2 stops
$1,946British Airways
Find Deal
Sun, 8 Mar - Tue, 10 Mar
British Airways Logo
16:20 - 10:20SYD-BHD
29h 00m2 stops
British Airways Logo
11:30 - 07:55BHD-SYD
33h 25m2 stops
$2,093British Airways
Find Deal
Thu, 5 Mar - Mon, 23 Mar
British Airways Logo
16:20 - 10:20SYD-BHD
29h 00m2 stops
British Airways Logo
17:15 - 06:55BHD-SYD
26h 40m2 stops
$2,164British Airways
Find Deal
Thu, 5 Mar - Tue, 24 Mar
KLM Logo
11:15 - 16:50SYD-BHD
40h 35m2 stops
KLM Logo
06:30 - 07:30BHD-SYD
38h 00m3 stops
$2,687KLM
Find Deal
Wed, 11 Mar - Sun, 15 Mar
KLM Logo
11:15 - 16:50SYD-BHD
40h 35m2 stops
KLM Logo
06:30 - 07:30BHD-SYD
38h 00m3 stops
$2,690KLM
Find Deal
Wed, 11 Mar - Sun, 15 Mar
KLM Logo
15:55 - 21:00SYD-BHD
40h 05m2 stops
KLM Logo
06:30 - 07:25BHD-SYD
37h 55m3 stops
$2,962KLM
Find Deal
Sun, 8 Mar - Tue, 24 Mar

British Airways flights from Sydney to Northern Ireland

Our best British Airways deals on Sydney to Northern Ireland flight tickets
British Airways
8 Mar
SYD16:20Sydney Kingsford Smith
29h 00m
2 stops
BHD10:20Belfast City
10 Mar
BHD06:35Belfast City
37h 20m
2 stops
SYD06:55Sydney Kingsford Smith
$1,943
Find similar
British Airways
8 Mar
SYD16:20Sydney Kingsford Smith
29h 00m
2 stops
BHD10:20Belfast City
10 Mar
BHD06:35Belfast City
37h 20m
2 stops
SYD06:55Sydney Kingsford Smith
$1,946
Find similar
British Airways
5 Mar
SYD16:20Sydney Kingsford Smith
29h 00m
2 stops
BHD10:20Belfast City
23 Mar
BHD11:30Belfast City
33h 25m
2 stops
SYD07:55Sydney Kingsford Smith
$2,093
Find similar

KLM flights from Sydney to Northern Ireland

Our best KLM deals on Sydney to Northern Ireland flight tickets
KLM
11 Mar
SYD11:15Sydney Kingsford Smith
40h 35m
2 stops
BHD16:50Belfast City
15 Mar
BHD06:30Belfast City
38h 00m
3 stops
SYD07:30Sydney Kingsford Smith
$2,687
Find similar
KLM
11 Mar
SYD11:15Sydney Kingsford Smith
40h 35m
2 stops
BHD16:50Belfast City
15 Mar
BHD06:30Belfast City
38h 00m
3 stops
SYD07:30Sydney Kingsford Smith
$2,690
Find similar
KLM
8 Mar
SYD15:55Sydney Kingsford Smith
40h 05m
2 stops
BHD21:00Belfast City
24 Mar
BHD06:30Belfast City
37h 55m
3 stops
SYD07:25Sydney Kingsford Smith
$2,962
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 21 October 2025.
Use the filters below to find and compare flights from Sydney to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 3/12

20:05-23:55

3 stops38h 50m

Belfast Intl

Wed 10/12

14:35-09:25

3 stops31h 50m

$1,827

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 3/12

20:05-23:55

3 stops38h 50m

Belfast Intl

Wed 10/12

14:35-09:25

3 stops31h 50m

$1,832

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 3/12

20:05-23:55

3 stops38h 50m

Belfast Intl

Wed 10/12

14:35-10:00

2 stops32h 25m

$1,835

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 8/3

16:20-10:20

2 stops29h 00m

Belfast City

Tue 10/3

06:35-06:55

2 stops37h 20m

$1,943

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 8/3

16:20-10:20

2 stops29h 00m

Belfast City

Tue 10/3

06:35-06:55

2 stops37h 20m

$1,946

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 5/3

16:20-10:20

2 stops29h 00m

Belfast City

Mon 23/3

11:30-07:55

2 stops33h 25m

$2,093

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 5/3

16:20-10:20

2 stops29h 00m

Belfast City

Tue 24/3

17:15-06:55

2 stops26h 40m

$2,164

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 11/3

11:15-16:50

2 stops40h 35m

Belfast City

Sun 15/3

06:30-07:30

3 stops38h 00m

$2,687

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 11/3

11:15-16:50

2 stops40h 35m

Belfast City

Sun 15/3

06:30-07:30

3 stops38h 00m

$2,690

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 8/3

15:55-21:00

2 stops40h 05m

Belfast City

Tue 24/3

06:30-07:25

3 stops37h 55m

$2,962

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Sydney to Northern Ireland

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 cheapest day to depart on your flight to Northern Ireland?

The cheapest day to depart from Sydney to Northern Ireland is on a Wednesday. Travellers who choose to depart for Northern Ireland on a Wednesday will often find tickets for as low as $2,077. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Northern Ireland on Sunday is $2,454.

What is the cheapest time of day to depart on your flight to Northern Ireland?

Our most recent data shows that the best time of day to fly to Northern Ireland is in the afternoon. Flights from Sydney to Northern Ireland during this time can be as low as $2,210. Try not to purchase tickets in the evening because they tend to be around $3,517. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Sydney to Northern Ireland flight deals and tips

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

Direct flights

None
There are no direct flights from Sydney to Northern Ireland. There are no popular flight routes from Sydney to Northern Ireland.
Search flight deals

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

    Prices for flights from Sydney Kingsford Smith Airport to Northern Ireland refresh daily.

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

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

    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 stopovers. It is recommended that you verify with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Sydney to Northern Ireland

Compare and see reviews for airlines that fly from Sydney to Northern Ireland with momondo
Airline
Rating
Free cancellation
Price
British AirwaysPriceFrom $1,620Free cancellationRating
6.7
7,461 reviews
Search British Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Northern Ireland from Sydney.

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

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

How can momondo help me find flights from Sydney to Northern Ireland?

Once all potential Sydney to Northern Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Sydney to Northern Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Northern Ireland and let you know when they change.

An easier way to manage your Northern Ireland trip

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