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

British Airways is the most popular carrier operating from Belfast to Sydney Kingsford Smith

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.

$926 Cheap Flights from Belfast to Sydney in 2026

Find the cheapest flights from Belfast to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:10 - 10:00

BHD

SYD

36h 50m

2 stops

21:30 - 20:30

SYD

BHD

34h 00m

2 stops

$1,491Multiple Airlines

Wed, 11 Nov - Sun, 15 Nov

07:00 - 10:00

BFS

SYD

40h 00m

2 stops

09:20 - 10:10

SYD

BFS

35h 50m

2 stops

$1,797Multiple Airlines

Tue, 8 Dec - Thu, 21 Jan

10:00 - 09:00

BHD

SYD

36h 00m

2 stops

11:15 - 14:00

SYD

BHD

37h 45m

2 stops

$1,995American Airlines

Tue, 8 Dec - Thu, 21 Jan

09:40 - 07:25

BHD

SYD

34h 45m

2 stops

11:45 - 16:50

SYD

BHD

40h 05m

3 stops

$2,277KLM

Wed, 11 Nov - Sun, 15 Nov

09:40 - 10:45

BHD

SYD

38h 05m

3 stops

22:15 - 09:10

SYD

BHD

45h 55m

2 stops

$2,375KLM

Tue, 8 Dec - Thu, 21 Jan

17:40 - 18:50

BHD

SYD

62h 10m

2 stops

08:45 - 08:25

SYD

BHD

34h 40m

2 stops

$2,420British Airways

Wed, 11 Nov - Sun, 15 Nov

19:25 - 18:50

BHD

SYD

60h 25m

2 stops

08:45 - 08:25

SYD

BHD

34h 40m

2 stops

$2,429British Airways

Wed, 11 Nov - Sun, 15 Nov

11:25 - 07:55

BHD

SYD

33h 30m

2 stops

08:45 - 08:35

SYD

BHD

34h 50m

2 stops

$2,478British Airways

Wed, 4 Nov - Sun, 8 Nov

09:15 - 07:55

BHD

SYD

35h 40m

2 stops

15:15 - 10:20

SYD

BHD

30h 05m

2 stops

$2,487British Airways

Wed, 4 Nov - Sun, 8 Nov

06:35 - 07:55

BHD

SYD

38h 20m

2 stops

11:15 - 08:25

SYD

BHD

32h 10m

2 stops

$2,488British Airways

Wed, 11 Nov - Sun, 15 Nov

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

KLM flights from Belfast to Sydney

Our best KLM deals on Belfast to Sydney flight tickets

KLM

11 Nov

BHD09:40Belfast City

34h 45m

2 stops

SYD07:25Sydney Kingsford Smith

15 Nov

SYD11:45Sydney Kingsford Smith

40h 05m

3 stops

BHD16:50Belfast City

$2,277

KLM

8 Dec

BHD09:40Belfast City

38h 05m

3 stops

SYD10:45Sydney Kingsford Smith

21 Jan

SYD22:15Sydney Kingsford Smith

45h 55m

2 stops

BHD09:10Belfast City

$2,375

KLM

8 Dec

BHD09:40Belfast City

34h 45m

3 stops

SYD07:25Sydney Kingsford Smith

21 Jan

SYD11:10Sydney Kingsford Smith

40h 40m

3 stops

BHD16:50Belfast City

$2,584

British Airways flights from Belfast to Sydney

Our best British Airways deals on Belfast to Sydney flight tickets

British Airways

11 Nov

BHD17:40Belfast City

62h 10m

2 stops

SYD18:50Sydney Kingsford Smith

15 Nov

SYD08:45Sydney Kingsford Smith

34h 40m

2 stops

BHD08:25Belfast City

$2,420

British Airways

11 Nov

BHD19:25Belfast City

60h 25m

2 stops

SYD18:50Sydney Kingsford Smith

15 Nov

SYD08:45Sydney Kingsford Smith

34h 40m

2 stops

BHD08:25Belfast City

$2,429

British Airways

4 Nov

BHD11:25Belfast City

33h 30m

2 stops

SYD07:55Sydney Kingsford Smith

8 Nov

SYD08:45Sydney Kingsford Smith

34h 50m

2 stops

BHD08:35Belfast City

$2,478

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

10:10-10:00

2 stops36h 50m

Sydney Kingsford Smith

Sun 15/11

21:30-20:30

2 stops34h 00m

$1,491

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 8/12

07:00-10:00

2 stops40h 00m

Sydney Kingsford Smith

Thu 21/1

09:20-10:10

2 stops35h 50m

$1,797

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 8/12

10:00-09:00

2 stops36h 00m

Sydney Kingsford Smith

Thu 21/1

11:15-14:00

2 stops37h 45m

$1,995

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

09:40-07:25

2 stops34h 45m

Sydney Kingsford Smith

Sun 15/11

11:45-16:50

3 stops40h 05m

$2,277

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 8/12

09:40-10:45

3 stops38h 05m

Sydney Kingsford Smith

Thu 21/1

22:15-09:10

2 stops45h 55m

$2,375

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

17:40-18:50

2 stops62h 10m

Sydney Kingsford Smith

Sun 15/11

08:45-08:25

2 stops34h 40m

$2,420

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

19:25-18:50

2 stops60h 25m

Sydney Kingsford Smith

Sun 15/11

08:45-08:25

2 stops34h 40m

$2,429

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 4/11

11:25-07:55

2 stops33h 30m

Sydney Kingsford Smith

Sun 8/11

08:45-08:35

2 stops34h 50m

$2,478

Fastest return journey

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 4/11

09:15-07:55

2 stops35h 40m

Sydney Kingsford Smith

Sun 8/11

15:15-10:20

2 stops30h 05m

$2,487

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

06:35-07:55

2 stops38h 20m

Sydney Kingsford Smith

Sun 15/11

11:15-08:25

2 stops32h 10m

$2,488

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast 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 Belfast, with most prices found around $971. If you aren’t able to travel to Sydney during the month of May, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,713.

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.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Manly

Coogee

Leura

Lithgow

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

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.