How do I get Price Alerts for flights from Belfast Intl Airport to Sydney?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Belfast Intl Airport from Sydney . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Belfast Intl Airport to Sydney with momondo?

With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Belfast Intl Airport to Sydney Kingsford Smith Airport?

Prices for flights from Belfast Intl Airport to Sydney Kingsford Smith Airport were last updated today.

How old do you have to be to fly from Belfast Intl Airport to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,139 Cheap Flights from Belfast Intl Airport to Sydney in 2026/27

Find the cheapest flights from Belfast Intl Airport to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:30 - 10:00BFS Belfast Intl-SYD Sydney Kingsford Smith

40h 30m2 stops London Gatwick Shanghai Pu Dong

21:30 - 20:30SYD Sydney Kingsford Smith-BFS Belfast Intl

34h 00m2 stops Shanghai Pu Dong London Gatwick

$1,547Multiple Airlines

Thu, 12 Nov - Thu, 19 Nov

06:25 - 20:25BFS Belfast Intl-SYD Sydney Kingsford Smith

27h 00m2 stops London Gatwick Guangzhou Baiyun

15:10 - 10:05SYD Sydney Kingsford Smith-BFS Belfast Intl

29h 55m2 stops Guangzhou Baiyun London Gatwick

$1,562Multiple Airlines

Wed, 11 Nov - Wed, 25 Nov

07:00 - 13:35BFS Belfast Intl-SYD Sydney Kingsford Smith

43h 35m2 stops London Gatwick Shanghai Pu Dong

12:00 - 10:05SYD Sydney Kingsford Smith-BFS Belfast Intl

33h 05m2 stops Shanghai Pu Dong London Gatwick

$1,564Multiple Airlines

Tue, 10 Nov - Wed, 18 Nov

09:25 - 07:40BFS Belfast Intl-SYD Sydney Kingsford Smith

35h 15m2 stops London Gatwick Singapore Changi

12:15 - 21:55SYD Sydney Kingsford Smith-BFS Belfast Intl

44h 40m2 stops Singapore Changi London Gatwick

$2,177Multiple Airlines

Sun, 6 Dec - Thu, 14 Jan

22:05 - 17:45BFS Belfast Intl-SYD Sydney Kingsford Smith

32h 40m2 stops Manchester Abu Dhabi Zayed Intl

16:50 - 09:35SYD Sydney Kingsford Smith-BFS Belfast Intl

27h 45m2 stops Abu Dhabi Zayed Intl Manchester

$2,361Multiple Airlines

Mon, 4 Jan - Thu, 11 Feb

10:00 - 22:30BFS Belfast Intl-SYD Sydney Kingsford Smith

25h 30m2 stops London Stansted Dubai Intl

06:00 - 10:10SYD Sydney Kingsford Smith-BFS Belfast Intl

39h 10m2 stops Dubai Intl London Stansted

$3,366Multiple Airlines

Sat, 31 Oct - Sat, 7 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

06:20 - 09:00BFS Belfast Intl-SYD Sydney Kingsford Smith

41h 40m2 stops London Gatwick Shanghai Pu Dong

12:00 - 14:00SYD Sydney Kingsford Smith-BFS Belfast Intl

36h 00m2 stops Shanghai Pu Dong London Gatwick

$1,643Multiple Airlines

Sat, 3 Oct - Tue, 13 Oct

06:40 - 12:35BFS Belfast Intl-SYD Sydney Kingsford Smith

44h 55m3 stops Palma de Mallorca Son Sant Joan London Gatwick Shanghai Pu Dong

21:35 - 23:00SYD Sydney Kingsford Smith-BFS Belfast Intl

35h 25m2 stops New Delhi Indira Gandhi Intl Birmingham

$1,983Multiple Airlines

Sat, 3 Oct - Tue, 13 Oct

09:55 - 10:00BFS Belfast Intl-SYD Sydney Kingsford Smith

38h 05m2 stops London Gatwick Shanghai Pu Dong

12:00 - 14:00SYD Sydney Kingsford Smith-BFS Belfast Intl

36h 00m2 stops Shanghai Pu Dong London Gatwick

$2,003Multiple Airlines

Sun, 4 Oct - Tue, 13 Oct

09:55 - 10:00BFS Belfast Intl-SYD Sydney Kingsford Smith

38h 05m2 stops London Gatwick Shanghai Pu Dong

21:30 - 20:30SYD Sydney Kingsford Smith-BFS Belfast Intl

33h 00m2 stops Shanghai Pu Dong London Gatwick

$2,061Multiple Airlines

Sun, 4 Oct - Wed, 14 Oct

21:35 - 20:25BFS Belfast Intl-SYD Sydney Kingsford Smith

36h 50m2 stops London Gatwick Guangzhou Baiyun

11:05 - 15:15SYD Sydney Kingsford Smith-BFS Belfast Intl

38h 10m2 stops Guangzhou Baiyun London Gatwick

$2,232Multiple Airlines

Wed, 7 Oct - Wed, 21 Oct

06:40 - 09:00BFS Belfast Intl-SYD Sydney Kingsford Smith

41h 20m3 stops Palma de Mallorca Son Sant Joan London Gatwick Shanghai Pu Dong

16:40 - 16:25SYD Sydney Kingsford Smith-BFS Belfast Intl

33h 45m3 stops Abu Dhabi Zayed Intl Kastrup Copenhagen Manchester

$2,292Multiple Airlines

Sat, 3 Oct - Tue, 13 Oct

21:35 - 20:25BFS Belfast Intl-SYD Sydney Kingsford Smith

36h 50m2 stops London Gatwick Guangzhou Baiyun

11:25 - 13:30SYD Sydney Kingsford Smith-BFS Belfast Intl

37h 05m2 stops Guangzhou Baiyun London Gatwick

$2,336Multiple Airlines

Wed, 7 Oct - Wed, 28 Oct

13:25 - 10:20BFS Belfast Intl-SYD Sydney Kingsford Smith

34h 55m2 stops Amsterdam Schiphol Xiamen Gaoqi Intl

11:05 - 14:15SYD Sydney Kingsford Smith-BFS Belfast Intl

37h 10m3 stops Xi'an Xianyang Vienna Intl Ibiza

$2,486Multiple Airlines

Sun, 4 Oct - Wed, 14 Oct

14:40 - 10:00BFS Belfast Intl-SYD Sydney Kingsford Smith

33h 20m2 stops London Gatwick Shanghai Pu Dong

16:40 - 16:25SYD Sydney Kingsford Smith-BFS Belfast Intl

33h 45m3 stops Abu Dhabi Zayed Intl Kastrup Copenhagen Manchester

$2,674Multiple Airlines

Sun, 4 Oct - Tue, 13 Oct

08:15 - 20:25BFS Belfast Intl-SYD Sydney Kingsford Smith

26h 10m2 stops London Gatwick Guangzhou Baiyun

16:40 - 15:20SYD Sydney Kingsford Smith-BFS Belfast Intl

32h 40m2 stops Abu Dhabi Zayed Intl Manchester

$2,743Multiple Airlines

Mon, 5 Oct - Wed, 14 Oct

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Use the filters below to find and compare flights from Belfast Intl Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Thu 12/11

06:30-10:00

2 stops40h 30m

Sydney Kingsford Smith

Thu 19/11

21:30-20:30

2 stops34h 00m

$1,547

Fastest return journey

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Wed 11/11

06:25-20:25

2 stops27h 00m

Sydney Kingsford Smith

Wed 25/11

15:10-10:05

2 stops29h 55m

$1,562

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Tue 10/11

07:00-13:35

2 stops43h 35m

Sydney Kingsford Smith

Wed 18/11

12:00-10:05

2 stops33h 05m

$1,564

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Sun 6/12

09:25-07:40

2 stops35h 15m

Sydney Kingsford Smith

Thu 14/1

12:15-21:55

2 stops44h 40m

$2,177

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Mon 4/1

22:05-17:45

2 stops32h 40m

Sydney Kingsford Smith

Thu 11/2

16:50-09:35

2 stops27h 45m

$2,361

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Sat 31/10

10:00-22:30

2 stops25h 30m

Sydney Kingsford Smith

Sat 7/11

06:00-10:10

2 stops39h 10m

$3,366

Cheapest one-way

Fastest single journey

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Sun 31/1

20:40-06:30

3 stops46h 50m

$1,139

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Sun 31/1

07:55-19:20

2 stops48h 25m

$1,317

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Belfast Intl Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast Intl Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Belfast Intl Airport to Sydney (BFS to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Sydney

Best price found	$1,139
Fastest flight time	40h 25m
Direct flights	None

The best one-way flight to Sydney from Belfast Intl Airport in the past 72 hours is $1,139. The best return flight deal from Belfast Intl Airport to Sydney found on momondo in the last 72 hours is $1,547.

The fastest flight from Belfast Intl Airport to Sydney takes 40h 25m

There are no direct flights from Belfast Intl Airport to Sydney. There are no popular flight routes from Belfast Intl Airport to Sydney.

Search flight deals

Frequently asked questions about flying from Belfast Intl Airport to Sydney

How far is Belfast Intl to Sydney Kingsford Smith by plane?
A flight from Belfast Intl to Sydney Kingsford Smith will travel around 17102.7 km. 40h 25m is a normal flight duration for this route.
When did momondo last update prices for flights from Belfast Intl Airport to Sydney Kingsford Smith Airport?
Prices for flights from Belfast Intl Airport to Sydney Kingsford Smith Airport were last updated today.
How old do you have to be to fly from Belfast Intl Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Belfast Intl Airport to Sydney

How do I get Price Alerts for flights from Belfast Intl Airport to Sydney?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Belfast Intl Airport from Sydney. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Belfast Intl Airport to Sydney with momondo?
With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Belfast to Sydney with flexible booking policies on momondo?

All flight searches from Belfast to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Belfast to Sydney?

Once you have performed a search for Belfast to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Belfast to Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.