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.

$1,702 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 $2,296 to $2,067. The lowest price recently found on this route was $1,702.

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.

18:30 - 08:25

BHD

SYD

28h 55m

2 stops

14:10 - 20:35

SYD

BHD

39h 25m

2 stops

$1,702China Southern

Mon, 8 Jun - Sun, 21 Jun

06:10 - 19:25

BFS

SYD

28h 15m

2 stops

14:10 - 09:00

SYD

BFS

51h 50m

2 stops

$2,159Multiple Airlines

Thu, 21 May - Thu, 28 May

07:00 - 19:25

BHD

SYD

27h 25m

2 stops

14:10 - 20:30

SYD

BHD

63h 20m

2 stops

$2,285Multiple Airlines

Thu, 21 May - Thu, 28 May

09:55 - 06:05

BFS

SYD

35h 10m

2 stops

06:00 - 07:45

SYD

BFS

34h 45m

2 stops

$2,291Multiple Airlines

Sun, 7 Jun - Sun, 14 Jun

09:00 - 06:05

BFS

SYD

36h 05m

2 stops

14:45 - 08:25

SYD

BFS

50h 40m

3 stops

$2,302Multiple Airlines

Thu, 21 May - Thu, 28 May

17:30 - 06:20

BHD

SYD

27h 50m

2 stops

11:40 - 09:35

SYD

BHD

30h 55m

3 stops

$2,712KLM

Mon, 8 Jun - Sun, 21 Jun

17:30 - 09:40

BHD

SYD

31h 10m

3 stops

11:40 - 09:35

SYD

BHD

30h 55m

3 stops

$2,770KLM

Mon, 8 Jun - Sun, 21 Jun

10:10 - 17:30

BHD

SYD

46h 20m

2 stops

20:45 - 18:00

SYD

BHD

30h 15m

2 stops

$2,877Qatar Airways

Thu, 21 May - Mon, 25 May

07:00 - 06:10

BHD

SYD

38h 10m

2 stops

21:30 - 13:50

SYD

BHD

49h 20m

2 stops

$3,165Aer Lingus

Sat, 1 Aug - Sat, 15 Aug

07:00 - 06:10

BHD

SYD

38h 10m

2 stops

21:30 - 13:50

SYD

BHD

49h 20m

2 stops

$3,184Aer Lingus

Sat, 1 Aug - Sat, 15 Aug

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

8 June

BHD17:30Belfast City

27h 50m

2 stops

SYD06:20Sydney Kingsford Smith

21 June

SYD11:40Sydney Kingsford Smith

30h 55m

3 stops

BHD09:35Belfast City

$2,712

KLM

8 June

BHD17:30Belfast City

31h 10m

3 stops

SYD09:40Sydney Kingsford Smith

21 June

SYD11:40Sydney Kingsford Smith

30h 55m

3 stops

BHD09:35Belfast City

$2,770

KLM

21 May

BHD17:30Belfast City

28h 40m

3 stops

SYD07:10Sydney Kingsford Smith

28 May

SYD10:20Sydney Kingsford Smith

39h 35m

2 stops

BHD16:55Belfast City

$3,109

Aer Lingus flights from Belfast to Sydney

Our best Aer Lingus deals on Belfast to Sydney flight tickets

Aer Lingus

1 Aug

BHD07:00Belfast City

38h 10m

2 stops

SYD06:10Sydney Kingsford Smith

15 Aug

SYD21:30Sydney Kingsford Smith

49h 20m

2 stops

BHD13:50Belfast City

$3,165

Aer Lingus

1 Aug

BHD07:00Belfast City

38h 10m

2 stops

SYD06:10Sydney Kingsford Smith

15 Aug

SYD21:30Sydney Kingsford Smith

49h 20m

2 stops

BHD13:50Belfast City

$3,184

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 8/6

18:30-08:25

2 stops28h 55m

Sydney Kingsford Smith

Sun 21/6

14:10-20:35

2 stops39h 25m

$1,702

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 21/5

06:10-19:25

2 stops28h 15m

Sydney Kingsford Smith

Thu 28/5

14:10-09:00

2 stops51h 50m

$2,159

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 21/5

07:00-19:25

2 stops27h 25m

Sydney Kingsford Smith

Thu 28/5

14:10-20:30

2 stops63h 20m

$2,285

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sun 7/6

09:55-06:05

2 stops35h 10m

Sydney Kingsford Smith

Sun 14/6

06:00-07:45

2 stops34h 45m

$2,291

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 21/5

09:00-06:05

2 stops36h 05m

Sydney Kingsford Smith

Thu 28/5

14:45-08:25

3 stops50h 40m

$2,302

Fastest return journey

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 8/6

17:30-06:20

2 stops27h 50m

Sydney Kingsford Smith

Sun 21/6

11:40-09:35

3 stops30h 55m

$2,712

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 8/6

17:30-09:40

3 stops31h 10m

Sydney Kingsford Smith

Sun 21/6

11:40-09:35

3 stops30h 55m

$2,770

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

$2,877

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 1/8

07:00-06:10

2 stops38h 10m

Sydney Kingsford Smith

Sat 15/8

21:30-13:50

2 stops49h 20m

$3,165

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 1/8

07:00-06:10

2 stops38h 10m

Sydney Kingsford Smith

Sat 15/8

21:30-13:50

2 stops49h 20m

$3,184

Flights are sorted by cheapest return flights first.

Sorted 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 $1,961. 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 $2,073.

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	27h 25m
Direct flights	None

The fastest flight from Belfast to Sydney takes 27h 25m

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 27h 25m 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

Lithgow

Manly

Coogee

Leura

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.