Cheap flights from Belfast Intl Airport to New South Wales from £500

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — SYD
24 Aug — 31 Aug1
1 adult

Cheap flight deals from Belfast Intl to New South Wales

Keep the following information in mind while searching for Belfast Intl to New South Wales flight deals. Data was last updated 19 August 2025.

Round-trip from

£799

One-way from

£500

Popular in

December

Cheapest in

November

Average price

£1,382
13/10-10/11
  • 13/10-10/11
  • 4 total stops
  • 74h 55m total
  • Belfast to New South Wales
15/12
  • 15/12
  • 3 total stops
  • 45h 00m total
  • Belfast to New South Wales
Highest demand for flights based on searches. 5% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£20 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from Belfast Intl to New South Wales

Cheapest flights from Belfast Intl to New South Wales
Explore the most affordable flight options available from Belfast Intl to New South Wales. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Mon 13/1006:10BFS - SYD
2 stops41h 50mMultiple Airlines
Mon 10/1112:00SYD - BFS
2 stops33h 05mMultiple Airlines
Deal found 17/8£799
Sun 21/917:30BFS - SYD
3 stops31h 40mMultiple Airlines
Tue 14/1013:50SYD - BFS
3 stops43h 30mMultiple Airlines
Deal found 17/8£870
Wed 3/906:15BFS - SYD
3 stops42h 05mMultiple Airlines
Tue 30/915:40SYD - BFS
2 stops32h 20mMultiple Airlines
Deal found 18/8£876
Fri 19/906:05BFS - SYD
3 stops39h 05mMultiple Airlines
Sun 5/1016:40SYD - BFS
2 stops27h 50mMultiple Airlines
Deal found 17/8£900
Wed 1/1007:05BFS - SYD
3 stops39h 45mMultiple Airlines
Wed 8/1016:40SYD - BFS
2 stops32h 50mMultiple Airlines
Deal found 17/8£989
Fri 3/1006:05BFS - SYD
3 stops40h 45mMultiple Airlines
Fri 10/1013:50SYD - BFS
3 stops42h 45mMultiple Airlines
Deal found 19/8£1,021

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl to New South Wales that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 August 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to New South Wales that are best for you.

Fly from

Belfast Intl

Fly to

New South Wales

Route

Depart

Return

Price

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 13/10

06:10-10:00

2 stops41h 50m

Sydney Kingsford Smith

Mon 10/11

12:00-10:05

2 stops33h 05m

£799

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sun 21/9

17:30-10:10

3 stops31h 40m

Sydney Kingsford Smith

Tue 14/10

13:50-23:20

3 stops43h 30m

£870

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 3/9

06:15-09:20

3 stops42h 05m

Sydney Kingsford Smith

Tue 30/9

15:40-15:00

2 stops32h 20m

£876

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Fri 19/9

06:05-06:10

3 stops39h 05m

Sydney Kingsford Smith

Sun 5/10

16:40-10:30

2 stops27h 50m

£900

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 1/10

07:05-07:50

3 stops39h 45m

Sydney Kingsford Smith

Wed 8/10

16:40-15:30

2 stops32h 50m

£989

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Fri 3/10

06:05-07:50

3 stops40h 45m

Sydney Kingsford Smith

Fri 10/10

13:50-22:35

3 stops42h 45m

£1,021

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 15/12

10:50-18:50

3 stops45h 00m

£500

Flights are sorted by cheapest return flights first.

Deals found on 19/8

Best time to book a flight from Belfast Intl to New South Wales

Have a flexible travel schedule? Discover the best time to fly to New South Wales 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 New South Wales

What is the cheapest month to book a flight from Belfast Intl Airport to New South Wales?

Currently, May is the cheapest month in which you can book a flight from Belfast Intl Airport to New South Wales (average of £985). Flying from Belfast Intl Airport to New South Wales in July is currently the most expensive (average of £1,723). 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.

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

Find hourly flight availability from Belfast Intl to New South Wales. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

When flying from Belfast Intl Airport to New South Wales, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing New South Wales

Get insights into the airlines that provide service to New South Wales. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to New South Wales. Reviews last updated 19 August 2025.
See what other customers who have flown with British Airways from Belfast Intl Airport to New South Wales have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

6.7

Boarding

6.9

Entertainment

6.4

Comfort

6.7

Crew

7.6

Food

6.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Overall

6.7

Boarding

6.9

Entertainment

6.4

Comfort

6.7

Crew

7.6

Food

6.3

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to New South Wales. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find deals for flights from Belfast Intl to New South Wales that include hotel bookings?

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

  • How can I find direct flights from Belfast Intl to New South Wales?

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

  • Can I find deals for business class flights from Belfast Intl to New South Wales?

    Yes. Cheapflights offers flight deals from Belfast Intl to New South Wales 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 New South Wales?

    Currently, May is the cheapest month in which you can book a flight from Belfast Intl Airport to New South Wales (average of £985). Flying from Belfast Intl Airport to New South Wales in July is currently the most expensive (average of £1,723). 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

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Top airline flying from Belfast Intl to New South Wales

Discover the top airline that operate flights from Belfast Intl to New South Wales. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£1,020Average£1,183FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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How does Cheapflights help users find flights from Belfast Intl to New South Wales?

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Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to New South Wales?

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Can Cheapflights find flights from Belfast Intl to New South Wales with no change fees?

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