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Cheap flights from Northern Ireland to Sydney from £792

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Sydney departing on 9/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Northern Ireland to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:10 - 12:35BFS  Belfast Intl-SYD Sydney Kingsford Smith
45h 25m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
11:00 - 07:40SYD  Sydney Kingsford Smith-BFS Belfast Intl
53h 40m2 stops Shanghai Pu Dong London Gatwick
£792Multiple Airlines
Wed, 9 Sep - Tue, 15 Sep
Multiple Airlines Logo
07:00 - 10:00BFS  Belfast Intl-SYD Sydney Kingsford Smith
40h 00m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
12:00 - 20:10SYD  Sydney Kingsford Smith-BFS Belfast Intl
43h 10m2 stops Shanghai Pu Dong London Gatwick
£826Multiple Airlines
Tue, 10 Nov - Tue, 24 Nov
British Airways Logo
10:00 - 08:35BHD  Belfast City-SYD Sydney Kingsford Smith
35h 35m2 stops London Heathrow Beijing Capital
British Airways Logo
10:30 - 20:10SYD  Sydney Kingsford Smith-BHD Belfast City
44h 40m2 stops Beijing Capital London Heathrow
£894British Airways
Tue, 10 Nov - Tue, 24 Nov
Multiple Airlines Logo
06:10 - 09:00BFS  Belfast Intl-SYD Sydney Kingsford Smith
41h 50m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
20:30 - 20:25SYD  Sydney Kingsford Smith-BFS Belfast Intl
32h 55m2 stops Shanghai Pu Dong London Gatwick
£961Multiple Airlines
Thu, 3 Sep - Mon, 21 Sep
British Airways Logo
09:15 - 07:55BHD  Belfast City-SYD Sydney Kingsford Smith
35h 40m2 stops London Heathrow Hong Kong Intl
British Airways Logo
11:15 - 10:45SYD  Sydney Kingsford Smith-BHD Belfast City
34h 30m2 stops Hong Kong Intl London Heathrow
£1,142British Airways
Wed, 11 Nov - Sun, 15 Nov
British Airways Logo
11:40 - 07:55BHD  Belfast City-SYD Sydney Kingsford Smith
33h 15m2 stops London Heathrow Hong Kong Intl
British Airways Logo
08:45 - 08:35SYD  Sydney Kingsford Smith-BHD Belfast City
34h 50m2 stops Hong Kong Intl London Heathrow
£1,144British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
09:15 - 07:55BHD  Belfast City-SYD Sydney Kingsford Smith
35h 40m2 stops London Heathrow Hong Kong Intl
British Airways Logo
11:15 - 10:45SYD  Sydney Kingsford Smith-BHD Belfast City
34h 30m2 stops Hong Kong Intl London Heathrow
£1,144British Airways
Wed, 11 Nov - Sun, 15 Nov
British Airways Logo
11:40 - 07:55BHD  Belfast City-SYD Sydney Kingsford Smith
33h 15m2 stops London Heathrow Hong Kong Intl
British Airways Logo
08:45 - 08:35SYD  Sydney Kingsford Smith-BHD Belfast City
34h 50m2 stops Hong Kong Intl London Heathrow
£1,144British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
09:15 - 07:55BHD  Belfast City-SYD Sydney Kingsford Smith
35h 40m2 stops London Heathrow Hong Kong Intl
British Airways Logo
11:15 - 10:45SYD  Sydney Kingsford Smith-BHD Belfast City
34h 30m2 stops Hong Kong Intl London Heathrow
£1,145British Airways
Wed, 11 Nov - Sun, 15 Nov
British Airways Logo
11:40 - 07:55BHD  Belfast City-SYD Sydney Kingsford Smith
33h 15m2 stops London Heathrow Hong Kong Intl
British Airways Logo
08:45 - 08:35SYD  Sydney Kingsford Smith-BHD Belfast City
34h 50m2 stops Hong Kong Intl London Heathrow
£1,146British Airways
Wed, 4 Nov - Sun, 8 Nov

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British Airways flights from Northern Ireland to Sydney

Our best British Airways deals on Northern Ireland to Sydney flight tickets
British Airways
10 Nov
BHD10:00Belfast City
35h 35m
2 stops
SYD08:35Sydney Kingsford Smith
24 Nov
SYD10:30Sydney Kingsford Smith
44h 40m
2 stops
BHD20:10Belfast City
£894
British Airways
11 Nov
BHD09:15Belfast City
35h 40m
2 stops
SYD07:55Sydney Kingsford Smith
15 Nov
SYD11:15Sydney Kingsford Smith
34h 30m
2 stops
BHD10:45Belfast City
£1,142
British Airways
11 Nov
BHD09:15Belfast City
35h 40m
2 stops
SYD07:55Sydney Kingsford Smith
15 Nov
SYD11:15Sydney Kingsford Smith
32h 20m
2 stops
BHD08:35Belfast City
£1,144

KLM flights from Northern Ireland to Sydney

Our best KLM deals on Northern Ireland to Sydney flight tickets
KLM
10 Nov
BHD17:20Belfast City
27h 05m
3 stops
SYD07:25Sydney Kingsford Smith
24 Nov
SYD16:30Sydney Kingsford Smith
35h 20m
2 stops
BHD16:50Belfast City
£1,257
KLM
22 Dec
BHD09:40Belfast City
35h 15m
2 stops
SYD07:55Sydney Kingsford Smith
25 Jan
SYD09:55Sydney Kingsford Smith
34h 15m
2 stops
BHD09:10Belfast City
£1,407

momondo 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, momondo users made 279,928 searches. Data last updated 17 August 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 Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Wed 9/9

06:10-12:35

2 stops45h 25m

Sydney Kingsford Smith

Tue 15/9

11:00-07:40

2 stops53h 40m

£792

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Tue 10/11

07:00-10:00

2 stops40h 00m

Sydney Kingsford Smith

Tue 24/11

12:00-20:10

2 stops43h 10m

£826

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Tue 10/11

10:00-08:35

2 stops35h 35m

Sydney Kingsford Smith

Tue 24/11

10:30-20:10

2 stops44h 40m

£894

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Thu 3/9

06:10-09:00

2 stops41h 50m

Sydney Kingsford Smith

Mon 21/9

20:30-20:25

2 stops32h 55m

£961

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 11/11

09:15-07:55

2 stops35h 40m

Sydney Kingsford Smith

Sun 15/11

11:15-10:45

2 stops34h 30m

£1,142
Fastest return journey

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 4/11

11:40-07:55

2 stops33h 15m

Sydney Kingsford Smith

Sun 8/11

08:45-08:35

2 stops34h 50m

£1,144

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 11/11

09:15-07:55

2 stops35h 40m

Sydney Kingsford Smith

Sun 15/11

11:15-10:45

2 stops34h 30m

£1,144

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 4/11

11:40-07:55

2 stops33h 15m

Sydney Kingsford Smith

Sun 8/11

08:45-08:35

2 stops34h 50m

£1,144

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 11/11

09:15-07:55

2 stops35h 40m

Sydney Kingsford Smith

Sun 15/11

11:15-10:45

2 stops34h 30m

£1,145

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 4/11

11:40-07:55

2 stops33h 15m

Sydney Kingsford Smith

Sun 8/11

08:45-08:35

2 stops34h 50m

£1,146

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
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See travel insights to Sydney from

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

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 airline that flies from Northern Ireland to Sydney Kingsford Smith?

Qatar Airways is the most popular carrier operating from Northern Ireland to Sydney Kingsford Smith

Cheap Northern Ireland to Sydney flight deals and tips

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

Fastest flight time

31h 30m

Direct flights

None
The fastest flight from Northern Ireland to Sydney takes 31h 30m
There are no direct flights from Northern Ireland to Sydney. There are no popular flight routes from Northern Ireland to Sydney.
Search flight deals

Frequently asked questions about flying from Northern Ireland to Sydney

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

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

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

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

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

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Northern Ireland to Sydney

Compare and see reviews for airlines that fly from Northern Ireland to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom £495Free CancellationRating
7.4
3,740 reviews
Search Qatar Airways flights
British AirwaysPriceFrom £988Free CancellationRating
6.7
8,169 reviews
Search British Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Randwick
Cronulla
Leura
Coogee
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Katoomba
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Penrith
Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Northern Ireland to Sydney for you.

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

Yes. All flights to Sydney from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Northern Ireland to Sydney.

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

Yes. momondo can track prices for Northern Ireland to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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