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.

$798 Cheap Flights from Belfast to Sydney in 2026/27

Find the cheapest flights from Belfast to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:20 - 08:05BHD Belfast City-SYD Sydney Kingsford Smith

54h 45m2 stops London Gatwick Beijing Capital

10:30 - 19:00SYD Sydney Kingsford Smith-BHD Belfast City

43h 30m2 stops Beijing Capital London Gatwick

$1,476Multiple Airlines

Sun, 17 Jan - Sun, 31 Jan

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

36h 50m2 stops London Gatwick Shanghai Pu Dong

12:00 - 19:00SYD Sydney Kingsford Smith-BHD Belfast City

42h 00m2 stops Shanghai Pu Dong London Gatwick

$1,729Multiple Airlines

Wed, 25 Nov - Wed, 2 Dec

10:10 - 07:20BHD Belfast City-SYD Sydney Kingsford Smith

34h 10m2 stops London Gatwick Shanghai Pu Dong

12:00 - 09:45SYD Sydney Kingsford Smith-BHD Belfast City

32h 45m2 stops Shanghai Pu Dong London Gatwick

$1,905Multiple Airlines

Mon, 15 Feb - Mon, 1 Mar

10:40 - 09:25BHD Belfast City-SYD Sydney Kingsford Smith

35h 45m2 stops London City Guangzhou Baiyun

15:10 - 18:50SYD Sydney Kingsford Smith-BHD Belfast City

38h 40m2 stops Guangzhou Baiyun London Gatwick

$2,086Multiple Airlines

Mon, 23 Nov - Sun, 6 Dec

07:25 - 10:00BHD Belfast City-SYD Sydney Kingsford Smith

39h 35m3 stops London Gatwick Ashgabat Ho Chi Minh City

12:00 - 09:45SYD Sydney Kingsford Smith-BHD Belfast City

32h 45m2 stops Shanghai Pu Dong London Gatwick

$2,105Multiple Airlines

Wed, 25 Nov - Wed, 2 Dec

14:20 - 13:20BHD Belfast City-SYD Sydney Kingsford Smith

36h 00m2 stops London Gatwick Guangzhou Baiyun

07:55 - 12:55SYD Sydney Kingsford Smith-BHD Belfast City

40h 00m3 stops Denpasar Bali Ngurah Rai Shanghai Pu Dong Manchester

$2,110Multiple Airlines

Mon, 23 Nov - Sun, 6 Dec

17:50 - 13:20BHD Belfast City-SYD Sydney Kingsford Smith

32h 30m2 stops London Heathrow Guangzhou Baiyun

22:30 - 08:25SYD Sydney Kingsford Smith-BHD Belfast City

44h 55m2 stops New Delhi Indira Gandhi Intl London Heathrow

$2,115Multiple Airlines

Thu, 25 Feb - Thu, 11 Mar

07:00 - 07:10BHD Belfast City-SYD Sydney Kingsford Smith

37h 10m3 stops Manchester Manama Bahrain Intl Kuala Lumpur Intl

16:50 - 15:30SYD Sydney Kingsford Smith-BHD Belfast City

33h 40m2 stops Abu Dhabi Zayed Intl Manchester

$2,162Multiple Airlines

Thu, 12 Nov - Wed, 18 Nov

07:25 - 10:00BHD Belfast City-SYD Sydney Kingsford Smith

39h 35m3 stops London Gatwick Ashgabat Ho Chi Minh City

13:25 - 09:45SYD Sydney Kingsford Smith-BHD Belfast City

31h 20m3 stops Singapore Changi Doha Hamad Intl London Gatwick

$2,167Multiple Airlines

Wed, 25 Nov - Wed, 2 Dec

14:20 - 13:20BHD Belfast City-SYD Sydney Kingsford Smith

36h 00m3 stops London Gatwick Beijing Daxing Intl Guangzhou Baiyun

07:55 - 09:50SYD Sydney Kingsford Smith-BHD Belfast City

36h 55m3 stops Denpasar Bali Ngurah Rai Shanghai Pu Dong Manchester

$2,276Multiple Airlines

Mon, 23 Nov - Sun, 6 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

8 Nov

BHD20:30Belfast City

35h 50m

2 stops

SYD19:20Sydney Kingsford Smith

12 Nov

SYD22:10Sydney Kingsford Smith

31h 35m

2 stops

BHD18:45Belfast City

$2,401

British Airways

7 Nov

BHD18:15Belfast City

38h 05m

2 stops

SYD19:20Sydney Kingsford Smith

11 Nov

SYD22:10Sydney Kingsford Smith

31h 55m

2 stops

BHD19:05Belfast City

$2,404

British Airways

8 Nov

BHD20:30Belfast City

35h 50m

2 stops

SYD19:20Sydney Kingsford Smith

12 Nov

SYD22:10Sydney Kingsford Smith

31h 35m

2 stops

BHD18:45Belfast City

$2,461

KLM flights from Belfast to Sydney

Our best KLM deals on Belfast to Sydney flight tickets

KLM

17 Jan

BHD09:40Belfast City

34h 45m

3 stops

SYD07:25Sydney Kingsford Smith

31 Jan

SYD10:35Sydney Kingsford Smith

33h 35m

3 stops

BHD09:10Belfast City

$2,725

KLM

24 Dec

BHD17:15Belfast City

26h 20m

2 stops

SYD06:35Sydney Kingsford Smith

24 Jan

SYD11:10Sydney Kingsford Smith

40h 40m

3 stops

BHD16:50Belfast City

$2,804

KLM

10 Dec

BHD09:40Belfast City

39h 35m

2 stops

SYD12:15Sydney Kingsford Smith

22 Jan

SYD11:10Sydney Kingsford Smith

40h 40m

3 stops

BHD16:50Belfast City

$13,465

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Sun 17/1

14:20-08:05

2 stops54h 45m

Sydney Kingsford Smith

Sun 31/1

10:30-19:00

2 stops43h 30m

$1,476

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 25/11

10:10-10:00

2 stops36h 50m

Sydney Kingsford Smith

Wed 2/12

12:00-19:00

2 stops42h 00m

$1,729

Fastest return journey

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Mon 15/2

10:10-07:20

2 stops34h 10m

Sydney Kingsford Smith

Mon 1/3

12:00-09:45

2 stops32h 45m

$1,905

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Mon 23/11

10:40-09:25

2 stops35h 45m

Sydney Kingsford Smith

Sun 6/12

15:10-18:50

2 stops38h 40m

$2,086

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 25/11

07:25-10:00

3 stops39h 35m

Sydney Kingsford Smith

Wed 2/12

12:00-09:45

2 stops32h 45m

$2,105

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Mon 23/11

14:20-13:20

2 stops36h 00m

Sydney Kingsford Smith

Sun 6/12

07:55-12:55

3 stops40h 00m

$2,110

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Thu 25/2

17:50-13:20

2 stops32h 30m

Sydney Kingsford Smith

Thu 11/3

22:30-08:25

2 stops44h 55m

$2,115

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Thu 12/11

07:00-07:10

3 stops37h 10m

Sydney Kingsford Smith

Wed 18/11

16:50-15:30

2 stops33h 40m

$2,162

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 25/11

07:25-10:00

3 stops39h 35m

Sydney Kingsford Smith

Wed 2/12

13:25-09:45

3 stops31h 20m

$2,167

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Mon 23/11

14:20-13:20

3 stops36h 00m

Sydney Kingsford Smith

Sun 6/12

07:55-09:50

3 stops36h 55m

$2,276

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	$798
Fastest flight time	26h 55m
Direct flights	None

The best one-way flight to Sydney from Belfast in the past 72 hours is $798. The best return flight deal from Belfast to Sydney found on momondo in the last 72 hours is $1,476.

The fastest flight from Belfast to Sydney takes 26h 55m

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 26h 55m 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

Coogee

Lithgow

Manly

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.