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 are refreshed on a daily basis.

How many operators does momondo search for flights from Belfast Intl Airport to Sydney Kingsford Smith Airport?

The number of operators available for flights from Belfast Intl Airport to Sydney Kingsford Smith Airport is 1 as of December 2025.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 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 license 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.

£858 Cheap Flights from Belfast Intl Airport to Sydney in 2025/26

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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

£932Multiple 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

£1,023Multiple 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

£1,101Multiple 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

£1,124Multiple 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

£1,136Multiple 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

£1,270Multiple 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

£932

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

£1,023

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

£1,101

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

£1,124

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

£1,136

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

£1,270

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?

In general, October is the cheapest month to fly from Belfast Intl Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £1,036. If you don’t want to visit Sydney in October, then you should wait until November to fly from Belfast Intl Airport, when ticket prices are also cheap, with an average price of £1,084.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart on your flight to Sydney is on a Monday when prices can be found for as low as £1,109. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Belfast Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,402.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Belfast Intl Airport to Sydney in the afternoon for as low as £1,193. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At midday is when there is more demand to fly to Sydney, so prices are often more expensive at around £1,528 per ticket.

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?
The distance between Belfast Intl and Sydney Kingsford Smith is about 10627.1 mi. Flights usually cover this in 26h 10m, depending on flying conditions and air traffic around both airports.
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 are refreshed on a daily basis.
How many operators does momondo search for flights from Belfast Intl Airport to Sydney Kingsford Smith Airport?
The number of operators available for flights from Belfast Intl Airport to Sydney Kingsford Smith Airport is 1 as of December 2025.
How old do you have to be to fly from Belfast Intl Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 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 license 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.
What is the most popular airline from Belfast Intl Airport to Sydney?
Based on momondo bookings for flights between Belfast Intl Airport and Sydney, the leading airline is British Airways, making up 100% of the total bookings.

Best airlines flying from Belfast Intl Airport to Sydney

Compare and see reviews for airlines that fly from Belfast Intl Airport to Sydney with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £1,000	Free Cancellation	Rating 6.7 7,580 reviews		Search British Airways flights

Bondi Beach

Wollongong

Coogee

Randwick

Manly

Cronulla

Leura

Katoomba

Penrith

Swansea

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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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to Sydney.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Belfast and alert you when they change.