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.

$850 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 $2,387 to $2,165. The lowest price recently found on this route was $2,132.

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.

07:00 - 22:05

BFS

SYD

30h 05m

2 stops

06:00 - 07:45

SYD

BFS

34h 45m

2 stops

$2,132Multiple Airlines

Sun, 31 May - Sun, 7 Jun

06:35 - 22:05

BFS

SYD

30h 30m

2 stops

20:10 - 23:00

SYD

BFS

35h 50m

2 stops

$2,146Multiple Airlines

Thu, 4 Jun - Thu, 11 Jun

18:00 - 06:05

BFS

SYD

27h 05m

2 stops

06:00 - 08:20

SYD

BFS

35h 20m

2 stops

$2,279Multiple Airlines

Thu, 30 Apr - Tue, 5 May

18:30 - 06:05

BHD

SYD

26h 35m

2 stops

06:00 - 09:20

SYD

BHD

36h 20m

2 stops

$2,342Multiple Airlines

Thu, 30 Apr - Tue, 5 May

10:10 - 17:30

BHD

SYD

46h 20m

2 stops

20:45 - 18:00

SYD

BHD

30h 15m

2 stops

$2,871Qatar Airways

Thu, 21 May - Mon, 25 May

10:10 - 17:30

BHD

SYD

46h 20m

2 stops

20:45 - 20:55

SYD

BHD

33h 10m

2 stops

$2,874Qatar Airways

Thu, 21 May - Mon, 25 May

17:30 - 07:10

BHD

SYD

28h 40m

3 stops

07:55 - 09:20

SYD

BHD

34h 25m

2 stops

$3,204KLM

Thu, 4 Jun - Thu, 11 Jun

16:35 - 05:10

BHD

SYD

27h 35m

1 stop

10:20 - 10:10

SYD

BHD

32h 50m

2 stops

$3,866British Airways

Thu, 4 Jun - Thu, 11 Jun

16:35 - 05:10

BHD

SYD

27h 35m

1 stop

14:45 - 10:10

SYD

BHD

28h 25m

1 stop

$4,125British Airways

Thu, 4 Jun - Thu, 11 Jun

17:30 - 07:10

BHD

SYD

28h 40m

3 stops

06:15 - 16:55

SYD

BHD

43h 40m

3 stops

$4,712KLM

Thu, 4 Jun - Thu, 11 Jun

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KLM flights from Belfast to Sydney

Our best KLM deals on Belfast to Sydney flight tickets

KLM

4 June

BHD17:30Belfast City

28h 40m

3 stops

SYD07:10Sydney Kingsford Smith

11 June

SYD07:55Sydney Kingsford Smith

34h 25m

2 stops

BHD09:20Belfast City

$3,204

KLM

4 June

BHD17:30Belfast City

28h 40m

3 stops

SYD07:10Sydney Kingsford Smith

11 June

SYD06:15Sydney Kingsford Smith

43h 40m

3 stops

BHD16:55Belfast City

$4,712

KLM

30 Apr

BHD09:50Belfast City

35h 40m

3 stops

SYD06:30Sydney Kingsford Smith

5 May

SYD10:10Sydney Kingsford Smith

39h 45m

3 stops

BHD16:55Belfast City

$5,761

British Airways flights from Belfast to Sydney

Our best British Airways deals on Belfast to Sydney flight tickets

British Airways

4 June

BHD16:35Belfast City

27h 35m

1 stop

SYD05:10Sydney Kingsford Smith

11 June

SYD10:20Sydney Kingsford Smith

32h 50m

2 stops

BHD10:10Belfast City

$3,866

British Airways

4 June

BHD16:35Belfast City

27h 35m

1 stop

SYD05:10Sydney Kingsford Smith

11 June

SYD14:45Sydney Kingsford Smith

28h 25m

1 stop

BHD10:10Belfast City

$4,125

British Airways

30 Apr

BHD14:20Belfast City

29h 50m

1 stop

SYD05:10Sydney Kingsford Smith

5 May

SYD10:20Sydney Kingsford Smith

33h 25m

2 stops

BHD10:45Belfast City

$8,162

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sun 31/5

07:00-22:05

2 stops30h 05m

Sydney Kingsford Smith

Sun 7/6

06:00-07:45

2 stops34h 45m

$2,132

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 4/6

06:35-22:05

2 stops30h 30m

Sydney Kingsford Smith

Thu 11/6

20:10-23:00

2 stops35h 50m

$2,146

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 30/4

18:00-06:05

2 stops27h 05m

Sydney Kingsford Smith

Tue 5/5

06:00-08:20

2 stops35h 20m

$2,279

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 30/4

18:30-06:05

2 stops26h 35m

Sydney Kingsford Smith

Tue 5/5

06:00-09:20

2 stops36h 20m

$2,342

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 21/5

10:10-17:30

2 stops46h 20m

Sydney Kingsford Smith

Mon 25/5

20:45-18:00

2 stops30h 15m

$2,871

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 21/5

10:10-17:30

2 stops46h 20m

Sydney Kingsford Smith

Mon 25/5

20:45-20:55

2 stops33h 10m

$2,874

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 4/6

17:30-07:10

3 stops28h 40m

Sydney Kingsford Smith

Thu 11/6

07:55-09:20

2 stops34h 25m

$3,204

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 4/6

16:35-05:10

1 stop27h 35m

Sydney Kingsford Smith

Thu 11/6

10:20-10:10

2 stops32h 50m

$3,866

Fastest return journey

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 4/6

16:35-05:10

1 stop27h 35m

Sydney Kingsford Smith

Thu 11/6

14:45-10:10

1 stop28h 25m

$4,125

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 4/6

17:30-07:10

3 stops28h 40m

Sydney Kingsford Smith

Thu 11/6

06:15-16:55

3 stops43h 40m

$4,712

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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

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 November is, on average, the cheapest month to fly to Sydney from Belfast, with most prices found around $1,956. If you aren’t able to travel to Sydney during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $2,067.

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	46h 20m
Direct flights	None

The fastest flight from Belfast to Sydney takes 46h 20m

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 46h 20m 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.