How do I get Price Alerts for flights from Belfast to Sydney?

Search flight deals from Belfast to Sydney . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Belfast to Sydney with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Belfast to Sydney Kingsford Smith Airport?

Prices for flights from Belfast to Sydney Kingsford Smith Airport were last updated today.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast 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 licence 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.

$1,082 Cheap Flights from Belfast to Sydney in 2026

Find the cheapest flights from Belfast to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

10:50 - 13:35BFS Belfast Intl-SYD Sydney Kingsford Smith

39h 45m2 stops London Luton Shanghai Pu Dong

12:00 - 10:40SYD Sydney Kingsford Smith-BFS Belfast Intl

33h 40m2 stops Shanghai Pu Dong London Gatwick

$1,537Multiple Airlines

Sun, 8 Nov - Mon, 23 Nov

06:30 - 20:20BFS Belfast Intl-SYD Sydney Kingsford Smith

26h 50m2 stops London Gatwick Guangzhou Baiyun

15:15 - 10:10SYD Sydney Kingsford Smith-BFS Belfast Intl

29h 55m2 stops Guangzhou Baiyun London Gatwick

$1,544Multiple Airlines

Thu, 29 Oct - Thu, 5 Nov

08:20 - 13:35BHD Belfast City-SYD Sydney Kingsford Smith

42h 15m2 stops London Luton Shanghai Pu Dong

12:00 - 13:35SYD Sydney Kingsford Smith-BHD Belfast City

36h 35m2 stops Shanghai Pu Dong London Gatwick

$1,565Multiple Airlines

Sun, 8 Nov - Mon, 23 Nov

06:15 - 10:00BFS Belfast Intl-SYD Sydney Kingsford Smith

41h 45m2 stops London Gatwick Shanghai Pu Dong

12:00 - 19:35SYD Sydney Kingsford Smith-BFS Belfast Intl

42h 35m2 stops Shanghai Pu Dong London Gatwick

$1,839Multiple Airlines

Tue, 13 Oct - Wed, 11 Nov

10:20 - 10:00BHD Belfast City-SYD Sydney Kingsford Smith

37h 40m2 stops London Gatwick Shanghai Pu Dong

12:00 - 20:30SYD Sydney Kingsford Smith-BHD Belfast City

43h 30m2 stops Shanghai Pu Dong London Gatwick

$1,841Multiple Airlines

Tue, 13 Oct - Wed, 11 Nov

20:30 - 07:55BHD Belfast City-SYD Sydney Kingsford Smith

48h 25m2 stops London Heathrow Hong Kong Intl

08:45 - 08:35SYD Sydney Kingsford Smith-BHD Belfast City

34h 50m2 stops Hong Kong Intl London Heathrow

$1,862British Airways

Sun, 28 Feb - Sun, 21 Mar

15:15 - 13:00BHD Belfast City-SYD Sydney Kingsford Smith

34h 45m2 stops London Heathrow Hong Kong Intl

11:15 - 10:05SYD Sydney Kingsford Smith-BHD Belfast City

33h 50m2 stops Hong Kong Intl London Heathrow

$1,883British Airways

Sat, 7 Nov - Wed, 11 Nov

18:15 - 06:55BHD Belfast City-SYD Sydney Kingsford Smith

25h 40m2 stops London Heathrow Singapore Changi

11:05 - 08:25SYD Sydney Kingsford Smith-BHD Belfast City

32h 20m3 stops Melbourne Kuala Lumpur Intl London Heathrow

$1,887British Airways

Tue, 2 Feb - Fri, 5 Mar

12:00 - 11:25BHD Belfast City-SYD Sydney Kingsford Smith

36h 25m3 stops London Heathrow Kuala Lumpur Intl Melbourne

16:20 - 08:35SYD Sydney Kingsford Smith-BHD Belfast City

27h 15m2 stops Singapore Changi London Heathrow

$1,940British Airways

Sun, 28 Feb - Sun, 21 Mar

20:50 - 07:20BFS Belfast Intl-SYD Sydney Kingsford Smith

47h 30m2 stops London Gatwick Shanghai Pu Dong

12:00 - 10:10SYD Sydney Kingsford Smith-BFS Belfast Intl

33h 10m2 stops Shanghai Pu Dong London Gatwick

$1,941Multiple Airlines

Mon, 28 Dec - Thu, 31 Dec

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

British Airways flights from Belfast to Sydney

Our best British Airways deals on Belfast to Sydney flight tickets

British Airways

28 Feb

BHD20:30Belfast City

48h 25m

2 stops

SYD07:55Sydney Kingsford Smith

21 Mar

SYD08:45Sydney Kingsford Smith

34h 50m

2 stops

BHD08:35Belfast City

$1,862

British Airways

7 Nov

BHD15:15Belfast City

34h 45m

2 stops

SYD13:00Sydney Kingsford Smith

11 Nov

SYD11:15Sydney Kingsford Smith

33h 50m

2 stops

BHD10:05Belfast City

$1,883

British Airways

2 Feb

BHD18:15Belfast City

25h 40m

2 stops

SYD06:55Sydney Kingsford Smith

5 Mar

SYD11:05Sydney Kingsford Smith

32h 20m

3 stops

BHD08:25Belfast City

$1,887

KLM flights from Belfast to Sydney

Our best KLM deals on Belfast to Sydney flight tickets

KLM

11 Feb

BHD17:20Belfast City

28h 15m

3 stops

SYD08:35Sydney Kingsford Smith

14 Feb

SYD10:35Sydney Kingsford Smith

33h 35m

3 stops

BHD09:10Belfast City

$2,599

KLM

8 Nov

BHD17:15Belfast City

28h 20m

3 stops

SYD08:35Sydney Kingsford Smith

23 Nov

SYD06:35Sydney Kingsford Smith

45h 10m

3 stops

BHD16:45Belfast City

$2,869

KLM

28 Dec

BHD09:40Belfast City

35h 55m

3 stops

SYD08:35Sydney Kingsford Smith

18 Jan

SYD16:30Sydney Kingsford Smith

35h 20m

2 stops

BHD16:50Belfast City

$3,034

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Sun 8/11

10:50-13:35

2 stops39h 45m

Sydney Kingsford Smith

Mon 23/11

12:00-10:40

2 stops33h 40m

$1,537

Fastest return journey

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Thu 29/10

06:30-20:20

2 stops26h 50m

Sydney Kingsford Smith

Thu 5/11

15:15-10:10

2 stops29h 55m

$1,544

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Sun 8/11

08:20-13:35

2 stops42h 15m

Sydney Kingsford Smith

Mon 23/11

12:00-13:35

2 stops36h 35m

$1,565

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Tue 13/10

06:15-10:00

2 stops41h 45m

Sydney Kingsford Smith

Wed 11/11

12:00-19:35

2 stops42h 35m

$1,839

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Tue 13/10

10:20-10:00

2 stops37h 40m

Sydney Kingsford Smith

Wed 11/11

12:00-20:30

2 stops43h 30m

$1,841

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Sun 28/2

20:30-07:55

2 stops48h 25m

Sydney Kingsford Smith

Sun 21/3

08:45-08:35

2 stops34h 50m

$1,862

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Sat 7/11

15:15-13:00

2 stops34h 45m

Sydney Kingsford Smith

Wed 11/11

11:15-10:05

2 stops33h 50m

$1,883

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Tue 2/2

18:15-06:55

2 stops25h 40m

Sydney Kingsford Smith

Fri 5/3

11:05-08:25

3 stops32h 20m

$1,887

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Sun 28/2

12:00-11:25

3 stops36h 25m

Sydney Kingsford Smith

Sun 21/3

16:20-08:35

2 stops27h 15m

$1,940

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Mon 28/12

20:50-07:20

2 stops47h 30m

Sydney Kingsford Smith

Thu 31/12

12:00-10:10

2 stops33h 10m

$1,941

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Cheap Belfast to Sydney flight deals and tips

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

Best price found	$1,082
Fastest flight time	25h 40m
Direct flights	None

The best one-way flight to Sydney from Belfast in the past 72 hours is $1,082. The best return flight deal from Belfast to Sydney found on momondo in the last 72 hours is $1,537.

The fastest flight from Belfast to Sydney takes 25h 40m

There are no direct flights from Belfast to Sydney. There are no popular flight routes from Belfast to Sydney.

Search flight deals

Frequently asked questions about flying from Belfast to Sydney

How far is Belfast to Sydney Kingsford Smith by plane?
Belfast and Sydney Kingsford Smith are 17093.9 km apart from one another. Typically, this will take 25h 40m by plane in normal conditions.
When did momondo last update prices for flights from Belfast to Sydney Kingsford Smith Airport?
Prices for flights from Belfast to Sydney Kingsford Smith Airport were last updated today.
How old do you have to be to fly from Belfast to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Belfast 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 licence 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.

Frequently asked questions about flying from Belfast to Sydney

How do I get Price Alerts for flights from Belfast to Sydney?
Search flight deals from Belfast to Sydney. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Belfast to Sydney with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Lithgow

Manly

Coogee

Cronulla

Randwick

Leura

Bondi Beach

Charlestown

Swansea

Newport

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Belfast to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Belfast to Sydney?

momondo helps you find the best flight between Belfast and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Belfast 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.