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.

$907 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.

08:15 - 12:35-

43h 20m

11:00 - 20:25-

42h 25m

$1,629Multiple Airlines

Mon, 14 Sep - Mon, 21 Sep

06:15 - 09:00-

41h 45m

11:00 - 21:05-

43h 05m

$1,647Multiple Airlines

Tue, 1 Sep - Tue, 15 Sep

07:00 - 09:00-

41h 00m

11:00 - 13:40-

35h 40m

$1,853Multiple Airlines

Sun, 30 Aug - Sun, 6 Sep

15:40 - 06:10-

29h 30m

15:40 - 15:20-

32h 40m

$1,871Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

09:55 - 09:00-

38h 05m

11:00 - 20:15-

42h 15m

$1,878Multiple Airlines

Sun, 30 Aug - Sun, 6 Sep

06:10 - 19:25-

28h 15m

15:40 - 09:40-

27h 00m

$1,973Multiple Airlines

Mon, 7 Sep - Sun, 13 Sep

11:30 - 09:00-

34h 30m

14:05 - 14:15-

35h 10m

$1,995American Airlines

Fri, 22 Jan - Fri, 26 Feb

11:30 - 09:00-

34h 30m

14:05 - 14:15-

35h 10m

$1,997American Airlines

Fri, 30 Oct - Fri, 4 Dec

15:40 - 09:25-

30h 45m

22:10 - 08:35-

45h 25m

$2,099Multiple Airlines

Wed, 11 Nov - Sat, 14 Nov

08:50 - 06:30-

34h 40m

13:25 - 20:10-

41h 45m

$2,139Multiple Airlines

Sat, 14 Nov - Sat, 28 Nov

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British Airways flights from Belfast to Sydney

Our best British Airways deals on Belfast to Sydney flight tickets

British Airways

11 Nov

BHD06:35Belfast City

38h 20m

2 stops

SYD07:55Sydney Kingsford Smith

15 Nov

SYD11:15Sydney Kingsford Smith

32h 10m

2 stops

BHD08:25Belfast City

$2,192

British Airways

12 Nov

BHD06:35Belfast City

38h 20m

2 stops

SYD07:55Sydney Kingsford Smith

16 Nov

SYD15:15Sydney Kingsford Smith

30h 25m

2 stops

BHD10:40Belfast City

$2,201

British Airways

12 Nov

BHD06:35Belfast City

38h 20m

2 stops

SYD07:55Sydney Kingsford Smith

16 Nov

SYD15:15Sydney Kingsford Smith

30h 25m

2 stops

BHD10:40Belfast City

$2,202

KLM flights from Belfast to Sydney

Our best KLM deals on Belfast to Sydney flight tickets

KLM

30 Aug

BHD09:50Belfast City

35h 35m

2 stops

SYD06:25Sydney Kingsford Smith

6 Sept

SYD11:40Sydney Kingsford Smith

30h 40m

3 stops

BHD09:20Belfast City

$2,574

KLM

30 Oct

BHD09:40Belfast City

39h 35m

2 stops

SYD12:15Sydney Kingsford Smith

4 Dec

SYD11:45Sydney Kingsford Smith

32h 25m

3 stops

BHD09:10Belfast City

$2,604

KLM

30 Oct

BHD09:40Belfast City

35h 30m

3 stops

SYD08:10Sydney Kingsford Smith

4 Dec

SYD11:45Sydney Kingsford Smith

32h 25m

3 stops

BHD09:10Belfast City

$2,663

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 14/9

08:15-12:35

2 stops43h 20m

Sydney Kingsford Smith

Mon 21/9

11:00-20:25

2 stops42h 25m

$1,629

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 1/9

06:15-09:00

2 stops41h 45m

Sydney Kingsford Smith

Tue 15/9

11:00-21:05

2 stops43h 05m

$1,647

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sun 30/8

07:00-09:00

2 stops41h 00m

Sydney Kingsford Smith

Sun 6/9

11:00-13:40

2 stops35h 40m

$1,853

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 16/9

15:40-06:10

2 stops29h 30m

Sydney Kingsford Smith

Wed 23/9

15:40-15:20

2 stops32h 40m

$1,871

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sun 30/8

09:55-09:00

2 stops38h 05m

Sydney Kingsford Smith

Sun 6/9

11:00-20:15

2 stops42h 15m

$1,878

Fastest return journey

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 7/9

06:10-19:25

2 stops28h 15m

Sydney Kingsford Smith

Sun 13/9

15:40-09:40

2 stops27h 00m

$1,973

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Fri 22/1

11:30-09:00

2 stops34h 30m

Sydney Kingsford Smith

Fri 26/2

14:05-14:15

2 stops35h 10m

$1,995

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Fri 30/10

11:30-09:00

2 stops34h 30m

Sydney Kingsford Smith

Fri 4/12

14:05-14:15

2 stops35h 10m

$1,997

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

15:40-09:25

2 stops30h 45m

Sydney Kingsford Smith

Sat 14/11

22:10-08:35

2 stops45h 25m

$2,099

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 14/11

08:50-06:30

3 stops34h 40m

Sydney Kingsford Smith

Sat 28/11

13:25-20:10

3 stops41h 45m

$2,139

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

Fastest flight time	28h 15m
Direct flights	None

The fastest flight from Belfast to Sydney takes 28h 15m

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 28h 15m 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

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Coogee

Manly

Leura

Randwick

Cronulla

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.