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.

$759 Cheap Flights from Belfast Intl Airport to Sydney in 2026

Find the cheapest flights from Belfast Intl Airport to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:40 - 09:20

BFS

SYD

31h 40m

2 stops

20:35 - 22:50

SYD

BFS

35h 15m

2 stops

$2,374Multiple Airlines

Thu, 13 Aug - Thu, 20 Aug

06:10 - 19:25

BFS

SYD

28h 15m

2 stops

10:05 - 09:55

SYD

BFS

32h 50m

2 stops

$2,416Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

08:10 - 07:20

BFS

SYD

36h 10m

2 stops

12:00 - 16:05

SYD

BFS

39h 05m

2 stops

$2,437Multiple Airlines

Sat, 26 Dec - Sat, 16 Jan

06:00 - 07:20

BFS

SYD

38h 20m

3 stops

10:45 - 17:50

SYD

BFS

42h 05m

3 stops

$2,460Multiple Airlines

Sat, 26 Dec - Sat, 16 Jan

06:15 - 08:25

BFS

SYD

41h 10m

2 stops

21:45 - 22:25

SYD

BFS

33h 40m

2 stops

$2,647Multiple Airlines

Tue, 4 Aug - Tue, 25 Aug

13:50 - 06:35

BFS

SYD

30h 45m

2 stops

21:35 - 22:35

SYD

BFS

35h 00m

2 stops

$2,847Multiple Airlines

Wed, 7 Oct - Sat, 24 Oct

06:15 - 21:30

BFS

SYD

29h 15m

2 stops

10:45 - 15:45

SYD

BFS

39h 00m

3 stops

$2,930Multiple Airlines

Wed, 7 Oct - Sat, 24 Oct

14:20 - 06:10

BFS

SYD

30h 50m

2 stops

15:40 - 11:55

SYD

BFS

29h 15m

2 stops

$3,172Multiple Airlines

Mon, 3 Aug - Fri, 14 Aug

06:30 - 07:20

BFS

SYD

37h 50m

2 stops

12:00 - 10:40

SYD

BFS

33h 40m

2 stops

$3,241Multiple Airlines

Fri, 11 Dec - Mon, 4 Jan

10:15 - 06:05

BFS

SYD

34h 50m

2 stops

21:05 - 19:50

SYD

BFS

31h 45m

3 stops

$3,407Multiple Airlines

Tue, 4 Aug - Tue, 25 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

momondo Fare Finder

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 - SYD

BFSSYD

Belfast Intl

Thu 13/8

16:40-09:20

2 stops31h 40m

Sydney Kingsford Smith

Thu 20/8

20:35-22:50

2 stops35h 15m

$2,374

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 12/8

06:10-19:25

2 stops28h 15m

Sydney Kingsford Smith

Wed 19/8

10:05-09:55

2 stops32h 50m

$2,416

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 26/12

08:10-07:20

2 stops36h 10m

Sydney Kingsford Smith

Sat 16/1

12:00-16:05

2 stops39h 05m

$2,437

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 26/12

06:00-07:20

3 stops38h 20m

Sydney Kingsford Smith

Sat 16/1

10:45-17:50

3 stops42h 05m

$2,460

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 4/8

06:15-08:25

2 stops41h 10m

Sydney Kingsford Smith

Tue 25/8

21:45-22:25

2 stops33h 40m

$2,647

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 7/10

13:50-06:35

2 stops30h 45m

Sydney Kingsford Smith

Sat 24/10

21:35-22:35

2 stops35h 00m

$2,847

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 7/10

06:15-21:30

2 stops29h 15m

Sydney Kingsford Smith

Sat 24/10

10:45-15:45

3 stops39h 00m

$2,930

Fastest return journey

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 3/8

14:20-06:10

2 stops30h 50m

Sydney Kingsford Smith

Fri 14/8

15:40-11:55

2 stops29h 15m

$3,172

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Fri 11/12

06:30-07:20

2 stops37h 50m

Sydney Kingsford Smith

Mon 4/1

12:00-10:40

2 stops33h 40m

$3,241

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 4/8

10:15-06:05

2 stops34h 50m

Sydney Kingsford Smith

Tue 25/8

21:05-19:50

3 stops31h 45m

$3,407

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Belfast Intl Airport 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 cheapest month to fly to Sydney?

The month of October is, on average, the cheapest month to fly to Sydney from Belfast Intl Airport, with most prices found around $0. If you aren’t able to travel to Sydney during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $0.

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

Fastest flight time	31h 40m
Direct flights	None

The fastest flight from Belfast Intl Airport to Sydney takes 31h 40m

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. 31h 40m 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.

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 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.