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.

$1,759 Cheap Flights from Belfast Intl Airport to Sydney in 2025/26

1 adult

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Find the cheapest flights from Belfast Intl Airport to Sydney

Round-trip

One-way

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Cheap return flights

Enter your travel dates to find the best prices.

20:50 - 06:30

BFS

SYD

46h 40m2 stops

21:30 - 17:55

SYD

BFS

31h 25m2 stops

$1,875Multiple Airlines

Wed, 28 Jan - Wed, 4 Feb

18:25 - 21:50

BFS

SYD

40h 25m3 stops

13:35 - 22:50

SYD

BFS

44h 15m3 stops

$2,058Multiple Airlines

Wed, 28 Jan - Wed, 4 Feb

06:10 - 16:45

BFS

SYD

25h 35m2 stops

07:55 - 09:55

SYD

BFS

35h 00m2 stops

$2,215Multiple Airlines

Mon, 13 Apr - Mon, 4 May

14:00 - 10:45

BFS

SYD

33h 45m3 stops

15:15 - 12:00

SYD

BFS

31h 45m2 stops

$2,262Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

14:00 - 10:45

BFS

SYD

33h 45m3 stops

15:15 - 20:25

SYD

BFS

40h 10m3 stops

$2,287Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

08:20 - 06:15

BFS

SYD

34h 55m3 stops

10:30 - 10:05

SYD

BFS

34h 35m2 stops

$2,555Multiple Airlines

Wed, 28 Jan - Wed, 4 Feb

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

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 28/1

20:50-06:30

2 stops46h 40m

Sydney Kingsford Smith

Wed 4/2

21:30-17:55

2 stops31h 25m

$1,875

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 28/1

18:25-21:50

3 stops40h 25m

Sydney Kingsford Smith

Wed 4/2

13:35-22:50

3 stops44h 15m

$2,058

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 13/4

06:10-16:45

2 stops25h 35m

Sydney Kingsford Smith

Mon 4/5

07:55-09:55

2 stops35h 00m

$2,215

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 29/1

14:00-10:45

3 stops33h 45m

Sydney Kingsford Smith

Thu 5/2

15:15-12:00

2 stops31h 45m

$2,262

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 29/1

14:00-10:45

3 stops33h 45m

Sydney Kingsford Smith

Thu 5/2

15:15-20:25

3 stops40h 10m

$2,287

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 28/1

08:20-06:15

3 stops34h 55m

Sydney Kingsford Smith

Wed 4/2

10:30-10:05

2 stops34h 35m

$2,555

Flights are sorted by cheapest return flights first.

Sorted 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 $2,085. If you aren’t able to travel to Sydney during the month of October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $2,182.

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	26h 10m
Direct flights	None

The fastest flight from Belfast Intl Airport to Sydney takes 26h 10m

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

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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. 26h 10m 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.

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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.