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.

$895 Cheap Flights from Belfast to Sydney in 2026

Q: What is the typical price of a round-trip flight between Belfast and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $2,278 to $2,050. The lowest price recently found on this route was $1,859.

1 adult

Find the cheapest flights from Belfast to Sydney

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:10 - 10:00

BFS

SYD

41h 50m

2 stops

12:00 - 10:05

SYD

BFS

33h 05m

2 stops

$1,859Multiple Airlines

Wed, 14 Oct - Wed, 11 Nov

06:10 - 12:35

BFS

SYD

45h 25m

2 stops

20:30 - 20:25

SYD

BFS

32h 55m

2 stops

$1,972Multiple Airlines

Mon, 31 Aug - Mon, 14 Sep

07:00 - 12:35

BHD

SYD

44h 35m

2 stops

20:30 - 20:30

SYD

BHD

33h 00m

2 stops

$1,999Multiple Airlines

Mon, 31 Aug - Mon, 14 Sep

10:05 - 07:05

BHD

SYD

36h 00m

2 stops

09:10 - 18:45

SYD

BHD

42h 35m

2 stops

$2,129American Airlines

Wed, 2 Sep - Thu, 17 Sep

10:05 - 07:05

BHD

SYD

36h 00m

2 stops

12:00 - 15:30

SYD

BHD

36h 30m

2 stops

$2,140American Airlines

Wed, 2 Sep - Mon, 14 Sep

10:05 - 07:05

BHD

SYD

36h 00m

2 stops

12:00 - 15:30

SYD

BHD

60h 30m

2 stops

$2,156American Airlines

Wed, 2 Sep - Sun, 13 Sep

10:05 - 08:20

BHD

SYD

61h 15m

3 stops

12:00 - 15:30

SYD

BHD

60h 30m

2 stops

$2,214American Airlines

Wed, 2 Sep - Sun, 13 Sep

10:05 - 07:05

BHD

SYD

36h 00m

2 stops

09:10 - 19:20

SYD

BHD

43h 10m

2 stops

$2,318American Airlines

Wed, 2 Sep - Sat, 12 Sep

10:05 - 07:05

BHD

SYD

36h 00m

2 stops

17:50 - 15:20

SYD

BHD

30h 30m

2 stops

$2,327American Airlines

Wed, 2 Sep - Tue, 15 Sep

10:05 - 08:20

BHD

SYD

61h 15m

3 stops

17:50 - 15:20

SYD

BHD

30h 30m

2 stops

$2,387American Airlines

Wed, 2 Sep - Tue, 15 Sep

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American Airlines flights from Belfast to Sydney

Our best American Airlines deals on Belfast to Sydney flight tickets

American Airlines

2 Sept

BHD10:05Belfast City

36h 00m

2 stops

SYD07:05Sydney Kingsford Smith

17 Sept

SYD09:10Sydney Kingsford Smith

42h 35m

2 stops

BHD18:45Belfast City

$2,129

American Airlines

2 Sept

BHD10:05Belfast City

36h 00m

2 stops

SYD07:05Sydney Kingsford Smith

14 Sept

SYD12:00Sydney Kingsford Smith

36h 30m

2 stops

BHD15:30Belfast City

$2,140

American Airlines

2 Sept

BHD10:05Belfast City

36h 00m

2 stops

SYD07:05Sydney Kingsford Smith

13 Sept

SYD12:00Sydney Kingsford Smith

60h 30m

2 stops

BHD15:30Belfast City

$2,156

KLM flights from Belfast to Sydney

Our best KLM deals on Belfast to Sydney flight tickets

KLM

1 Sept

BHD17:30Belfast City

28h 15m

2 stops

SYD06:45Sydney Kingsford Smith

13 Sept

SYD11:40Sydney Kingsford Smith

30h 40m

3 stops

BHD09:20Belfast City

$2,612

KLM

31 Aug

BHD17:30Belfast City

28h 15m

2 stops

SYD06:45Sydney Kingsford Smith

13 Sept

SYD11:40Sydney Kingsford Smith

30h 40m

3 stops

BHD09:20Belfast City

$2,799

KLM

1 Sept

BHD17:30Belfast City

28h 15m

2 stops

SYD06:45Sydney Kingsford Smith

14 Sept

SYD13:05Sydney Kingsford Smith

36h 50m

2 stops

BHD16:55Belfast City

$2,848

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 14/10

06:10-10:00

2 stops41h 50m

Sydney Kingsford Smith

Wed 11/11

12:00-10:05

2 stops33h 05m

$1,859

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 31/8

06:10-12:35

2 stops45h 25m

Sydney Kingsford Smith

Mon 14/9

20:30-20:25

2 stops32h 55m

$1,972

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 31/8

07:00-12:35

2 stops44h 35m

Sydney Kingsford Smith

Mon 14/9

20:30-20:30

2 stops33h 00m

$1,999

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 2/9

10:05-07:05

2 stops36h 00m

Sydney Kingsford Smith

Thu 17/9

09:10-18:45

2 stops42h 35m

$2,129

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 2/9

10:05-07:05

2 stops36h 00m

Sydney Kingsford Smith

Mon 14/9

12:00-15:30

2 stops36h 30m

$2,140

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 2/9

10:05-07:05

2 stops36h 00m

Sydney Kingsford Smith

Sun 13/9

12:00-15:30

2 stops60h 30m

$2,156

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 2/9

10:05-08:20

3 stops61h 15m

Sydney Kingsford Smith

Sun 13/9

12:00-15:30

2 stops60h 30m

$2,214

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 2/9

10:05-07:05

2 stops36h 00m

Sydney Kingsford Smith

Sat 12/9

09:10-19:20

2 stops43h 10m

$2,318

Fastest return journey

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 2/9

10:05-07:05

2 stops36h 00m

Sydney Kingsford Smith

Tue 15/9

17:50-15:20

2 stops30h 30m

$2,327

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 2/9

10:05-08:20

3 stops61h 15m

Sydney Kingsford Smith

Tue 15/9

17:50-15:20

2 stops30h 30m

$2,387

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 typical price of a round-trip flight between Belfast and Sydney?

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 $929. 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 $1,515.

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	33h 15m
Direct flights	None

The fastest flight from Belfast to Sydney takes 33h 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 33h 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.

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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.