What is the cheapest airline that flies from Northern Ireland to Sydney Kingsford Smith?

British Airways and American Airlines are the most popular carriers operating from Northern Ireland to Sydney Kingsford Smith

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 were last updated today.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$758 Cheap Flights from Northern Ireland to Sydney in 2026

Find the cheapest flights from Northern Ireland to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:40 - 09:20

BFS

SYD

31h 40m

2 stops

20:35 - 22:50

SYD

BFS

35h 15m

2 stops

$2,374Multiple Airlines

Thu, 13 Aug - Thu, 20 Aug

10:00 - 07:20

BHD

SYD

34h 20m

2 stops

12:00 - 13:35

SYD

BHD

36h 35m

2 stops

$2,375Multiple Airlines

Sat, 26 Dec - Sat, 16 Jan

06:10 - 19:25

BFS

SYD

28h 15m

2 stops

10:05 - 09:55

SYD

BFS

32h 50m

2 stops

$2,416Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

08:10 - 07:20

BFS

SYD

36h 10m

2 stops

12:00 - 16:05

SYD

BFS

39h 05m

2 stops

$2,436Multiple Airlines

Sat, 26 Dec - Sat, 16 Jan

07:00 - 06:55

BHD

SYD

37h 55m

3 stops

10:45 - 19:55

SYD

BHD

43h 10m

3 stops

$2,442Multiple Airlines

Wed, 7 Oct - Sat, 24 Oct

06:00 - 07:20

BFS

SYD

38h 20m

3 stops

10:45 - 17:50

SYD

BFS

42h 05m

3 stops

$2,459Multiple Airlines

Sat, 26 Dec - Sat, 16 Jan

06:35 - 18:50

BHD

SYD

49h 15m

2 stops

21:40 - 16:35

SYD

BHD

29h 55m

2 stops

$2,515British Airways

Sat, 7 Nov - Wed, 11 Nov

18:00 - 18:50

BHD

SYD

61h 50m

2 stops

21:40 - 19:10

SYD

BHD

32h 30m

2 stops

$2,520British Airways

Sat, 7 Nov - Wed, 11 Nov

18:00 - 18:50

BHD

SYD

61h 50m

2 stops

21:40 - 19:10

SYD

BHD

32h 30m

2 stops

$2,523British Airways

Sat, 7 Nov - Wed, 11 Nov

06:15 - 08:25

BFS

SYD

41h 10m

2 stops

21:45 - 22:25

SYD

BFS

33h 40m

2 stops

$2,646Multiple Airlines

Tue, 4 Aug - Tue, 25 Aug

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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

7 Nov

BHD06:35Belfast City

49h 15m

2 stops

SYD18:50Sydney Kingsford Smith

11 Nov

SYD21:40Sydney Kingsford Smith

29h 55m

2 stops

BHD16:35Belfast City

$2,515

British Airways

7 Nov

BHD06:35Belfast City

49h 15m

2 stops

SYD18:50Sydney Kingsford Smith

11 Nov

SYD21:40Sydney Kingsford Smith

29h 55m

2 stops

BHD16:35Belfast City

$2,520

British Airways

7 Nov

BHD18:00Belfast City

61h 50m

2 stops

SYD18:50Sydney Kingsford Smith

11 Nov

SYD21:40Sydney Kingsford Smith

32h 30m

2 stops

BHD19:10Belfast City

$2,523

KLM flights from Northern Ireland to Sydney

Our best KLM deals on Northern Ireland to Sydney flight tickets

KLM

26 Dec

BHD09:40Belfast City

37h 40m

2 stops

SYD10:20Sydney Kingsford Smith

16 Jan

SYD11:10Sydney Kingsford Smith

40h 40m

3 stops

BHD16:50Belfast City

$3,512

KLM

11 Dec

BHD09:40Belfast City

34h 55m

2 stops

SYD07:35Sydney Kingsford Smith

4 Jan

SYD11:10Sydney Kingsford Smith

40h 40m

3 stops

BHD16:50Belfast City

$3,891

KLM

27 Dec

BHD09:40Belfast City

34h 45m

3 stops

SYD07:25Sydney Kingsford Smith

8 Jan

SYD11:45Sydney Kingsford Smith

32h 25m

3 stops

BHD09:10Belfast City

$3,915

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

BHD - SYD

BHDSYD

Belfast City

Sat 26/12

10:00-07:20

2 stops34h 20m

Sydney Kingsford Smith

Sat 16/1

12:00-13:35

2 stops36h 35m

$2,375

Fastest return journey

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

08:10-07:20

2 stops36h 10m

Sydney Kingsford Smith

Sat 16/1

12:00-16:05

2 stops39h 05m

$2,436

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 7/10

07:00-06:55

3 stops37h 55m

Sydney Kingsford Smith

Sat 24/10

10:45-19:55

3 stops43h 10m

$2,442

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

$2,459

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

$2,515

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 7/11

18:00-18:50

2 stops61h 50m

Sydney Kingsford Smith

Wed 11/11

21:40-19:10

2 stops32h 30m

$2,520

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 7/11

18:00-18:50

2 stops61h 50m

Sydney Kingsford Smith

Wed 11/11

21:40-19:10

2 stops32h 30m

$2,523

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

$2,646

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from Northern Ireland, with most prices found around $972. If you aren’t able to travel to Sydney during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,939.

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	28h 20m
Direct flights	None

The fastest flight from Northern Ireland to Sydney takes 28h 20m

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 were last updated today.
How old do you have to be to fly from Northern Ireland to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Swansea

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to Sydney . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Northern Ireland to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Northern Ireland to Sydney 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 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.