In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm. Find deals

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C). Find deals

What is the cheapest month to fly from Belfast Intl Airport to Sydney?

November is one of the best times of the year to fly to Sydney from Belfast Intl Airport. Prices for November average $2,492 per person but you can even find prices for as low as $1,799. The most expensive prices can be found in the month of December. Opting for a November flight can save you 25% on your journey compared to booking in December

What is the cheapest time of day to fly from BFS to SYD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Belfast Intl Airport to Sydney as you normally would.

What airport do you fly into for flights to Sydney from Belfast Intl?

Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Belfast Intl. On average, Kingsford Smith has 0 inbound flights from Belfast Intl per day from 0 airlines. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

Can I find deals for flights from Belfast Intl to Sydney that include hotel bookings?

Yes. In addition to deals on Belfast Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Belfast Intl to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Sydney.

Can I find deals for business class flights from Belfast Intl to Sydney?

Yes. Cheapflights offers flight deals from Belfast Intl to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$758+ Flights from Belfast Intl Airport to Sydney

Q: How much does it cost for a return flight from Belfast Intl Airport to Sydney?

Airfare is below average for this route at the moment. Belfast Intl Airport to Sydney flights typically cost between $2,290 and $2,436 in October. The cheapest return flight price found within the last 3 days was $1,573 on Multiple Airlines (29 Oct-5 Nov). Find deals

Cheap flight deals from Belfast Intl to Sydney

Round-trip from	$1,573
One-way from	$758
Popular in	December
Cheapest in	November
Average price	$2,326

29/10-5/11
5 total stops
75h 55m total
Belfast to Sydney

Search Deals

17/11
3 total stops
59h 05m total
Belfast to Sydney

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($260 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($87 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Belfast Intl to Sydney

Cheapest flights from Belfast Intl to Sydney
Explore the most affordable flight options available from Belfast Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Wed 29/1014:35BFS - SYD

2 stops32h 25mMultiple Airlines

Wed 5/1114:20SYD - BFS

3 stops43h 30mMultiple Airlines

Deal found 14/9$1,573

Sat 1/1108:50BFS - SYD

2 stops38h 10mMultiple Airlines

Tue 11/1112:00SYD - BFS

2 stops43h 15mMultiple Airlines

Deal found 15/9$1,655

Thu 6/1106:30BFS - SYD

2 stops29h 00mMultiple Airlines

Fri 21/1106:00SYD - BFS

2 stops36h 40mMultiple Airlines

Deal found 14/9$1,990

Wed 5/1106:30BFS - SYD

3 stops40h 35mMultiple Airlines

Mon 24/1122:00SYD - BFS

3 stops34h 10mMultiple Airlines

Deal found 15/9$2,060

Fri 31/1006:00BFS - SYD

2 stops40h 05mMultiple Airlines

Tue 11/1111:50SYD - BFS

2 stops44h 40mMultiple Airlines

Deal found 15/9$2,121

Thu 20/1107:05BFS - SYD

2 stops47h 50mMultiple Airlines

Sun 7/1216:35SYD - BFS

2 stops38h 40mMultiple Airlines

Deal found 14/9$2,619

Best flights from Belfast Intl to Sydney
Discover carefully curated flight deals from Belfast Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2025.

Wed 29/1014:35BFS - SYD

2 stops32h 25mMultiple Airlines

Wed 5/1114:20SYD - BFS

3 stops43h 30mMultiple Airlines

Deal found 14/9$1,573

Sat 1/1108:50BFS - SYD

2 stops38h 10mMultiple Airlines

Tue 11/1112:00SYD - BFS

2 stops43h 15mMultiple Airlines

Deal found 15/9$1,655

Thu 6/1106:30BFS - SYD

2 stops29h 00mMultiple Airlines

Fri 21/1106:00SYD - BFS

2 stops36h 40mMultiple Airlines

Deal found 14/9$1,990

Wed 5/1106:30BFS - SYD

3 stops40h 35mMultiple Airlines

Mon 24/1122:00SYD - BFS

3 stops34h 10mMultiple Airlines

Deal found 15/9$2,060

Fri 31/1006:00BFS - SYD

2 stops40h 05mMultiple Airlines

Tue 11/1111:50SYD - BFS

2 stops44h 40mMultiple Airlines

Deal found 15/9$2,121

Thu 20/1107:05BFS - SYD

2 stops47h 50mMultiple Airlines

Sun 7/1216:35SYD - BFS

2 stops38h 40mMultiple Airlines

Deal found 14/9$2,619

Last-minute flights from Belfast Intl to Sydney
Discover last-minute flight deals from Belfast Intl to Sydney. Data last updated 16 September 2025 and is based on user searches.

Wed 29/1014:35BFS - SYD

2 stops32h 25mMultiple Airlines

Wed 5/1114:20SYD - BFS

3 stops43h 30mMultiple Airlines

Deal found 14/9$1,573

Fri 31/1006:00BFS - SYD

2 stops40h 05mMultiple Airlines

Tue 11/1111:50SYD - BFS

2 stops44h 40mMultiple Airlines

Deal found 15/9$2,121

Cheapflights 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 29/10

14:35-10:00

2 stops32h 25m

Sydney Kingsford Smith

Wed 5/11

14:20-22:50

3 stops43h 30m

$1,573

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 1/11

08:50-10:00

2 stops38h 10m

Sydney Kingsford Smith

Tue 11/11

12:00-20:15

2 stops43h 15m

$1,655

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 6/11

06:30-22:30

2 stops29h 00m

Sydney Kingsford Smith

Fri 21/11

06:00-07:40

2 stops36h 40m

$1,990

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 5/11

06:30-10:05

3 stops40h 35m

Sydney Kingsford Smith

Mon 24/11

22:00-21:10

3 stops34h 10m

$2,060

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Fri 31/10

06:00-09:05

2 stops40h 05m

Sydney Kingsford Smith

Tue 11/11

11:50-21:30

2 stops44h 40m

$2,121

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 20/11

07:05-17:55

2 stops47h 50m

Sydney Kingsford Smith

Sun 7/12

16:35-20:15

2 stops38h 40m

$2,619

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 17/11

15:00-13:05

3 stops59h 05m

$758

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Best time to book a flight from Belfast Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Belfast Intl with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Sydney

What is the cheapest month to book a flight from Belfast Intl Airport to Sydney?

Currently, May is the cheapest month in which you can book a flight from Belfast Intl Airport to Sydney (average of $129). Flying from Belfast Intl Airport to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Belfast Intl Airport to Sydney?

Related info for your journey

What airport do you fly into for flights to Sydney from Belfast Intl?
Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Belfast Intl. On average, Kingsford Smith has 0 inbound flights from Belfast Intl per day from 0 airlines. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.
Can I find deals for flights from Belfast Intl to Sydney that include hotel bookings?
Yes. In addition to deals on Belfast Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Belfast Intl to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Sydney.
Can I find deals for business class flights from Belfast Intl to Sydney?
Yes. Cheapflights offers flight deals from Belfast Intl to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Belfast Intl Airport to Sydney?
Currently, May is the cheapest month in which you can book a flight from Belfast Intl Airport to Sydney (average of $129). Flying from Belfast Intl Airport to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Parramatta

Wollongong

Katoomba

Penrith

Manly

Terrigal

Lithgow

Randwick

Bondi Beach

Coogee

Cronulla

Leura

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Belfast Intl to Sydney

Belfast City to Sydney flights

Direct flights to New South Wales

Other flights to Sydney

Fly with Cheapflights

How does Cheapflights help users find flights from Belfast Intl to Sydney?

Cheapflights makes it easy to find Belfast Intl to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast Intl to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Belfast Intl to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Belfast Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Belfast Intl to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Belfast Intl to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Belfast Intl Airport to Sydney from $758

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Belfast Intl to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Belfast Intl to Sydney

Cheapest flights from Belfast Intl to SydneyExplore the most affordable flight options available from Belfast Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Explore the most affordable flight options available from Belfast Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Belfast Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Belfast Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Belfast Intl Airport to Sydney

What is the cheapest month to book a flight from Belfast Intl Airport to Sydney?

How much does it cost for a return flight from Belfast Intl Airport to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Belfast Intl?

Can I find deals for flights from Belfast Intl to Sydney that include hotel bookings?

How can I find direct flights from Belfast Intl to Sydney?

Can I find deals for business class flights from Belfast Intl to Sydney?

What is the cheapest month to book a flight from Belfast Intl Airport to Sydney?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast Intl to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belfast Intl to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Sydney?

Can Cheapflights find flights from Belfast Intl to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Belfast Intl to Sydney become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Belfast Intl to Sydney
Explore the most affordable flight options available from Belfast Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.