Cheap flights from Belfast Intl Airport to New South Wales from £372

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.
BFS — SYD
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

£773

One-way from

£372

Popular in

December

Cheapest in

November

Average price

£1,143
29/10-5/11
  • 29/10-5/11
  • 5 total stops
  • 75h 55m total
  • Belfast to New South Wales
17/11
  • 17/11
  • 3 total stops
  • 59h 05m total
  • Belfast to New South Wales
Highest demand for flights based on searches. 6% potential increase in price (£63 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in September 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 15 September 2025.

Wed 29/1014:35BFS - SYD
2 stops32h 25mMultiple Airlines
Wed 5/1114:20SYD - BFS
3 stops43h 30mMultiple Airlines
Deal found 14/9£773
Thu 6/1106:30BFS - SYD
2 stops29h 00mMultiple Airlines
Fri 21/1106:00SYD - BFS
2 stops36h 40mMultiple Airlines
Deal found 14/9£978
Tue 28/1012:25BFS - SYD
3 stops31h 50mMultiple Airlines
Tue 4/1115:35SYD - BFS
3 stops34h 40mMultiple Airlines
Deal found 13/9£1,053
Thu 20/1107:05BFS - SYD
2 stops47h 50mMultiple Airlines
Sun 7/1216:35SYD - BFS
2 stops38h 40mMultiple Airlines
Deal found 14/9£1,286
Thu 18/1218:35BFS - SYD
2 stops57h 55mMultiple Airlines
Thu 8/120:40SYD - BFS
2 stops36h 25mMultiple Airlines
Deal found 13/9£1,296

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 15 September 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

Wed 29/10

14:35-10:00

2 stops32h 25m

Sydney Kingsford Smith

Wed 5/11

14:20-22:50

3 stops43h 30m

£773

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

£978

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 28/10

12:25-07:15

3 stops31h 50m

Sydney Kingsford Smith

Tue 4/11

15:35-15:15

3 stops34h 40m

£1,053

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

£1,286

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 18/12

18:35-15:30

2 stops57h 55m

Sydney Kingsford Smith

Thu 8/1

20:40-22:05

2 stops36h 25m

£1,296

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 17/11

15:00-13:05

3 stops59h 05m

£372

Flights are sorted by cheapest return flights first.

Deals found on 14/9

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 £1,725). 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 15 September 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.

How much does it cost for a return flight from Belfast Intl Airport to New South Wales?

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 15 September 2025.
See what other customers who have flown with Qatar Airways and 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.

Food

7.3

Entertainment

7.4

Crew

7.9

Boarding

7.5

Comfort

7.4

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Christian,Feb 2025

YUL - DOH

Excellent, except this time is was a long time to check in our luguage but I think this is not the usual.

Food

7.3

Entertainment

7.4

Crew

7.9

Boarding

7.5

Comfort

7.4

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Christian,Feb 2025

YUL - DOH

Excellent, except this time is was a long time to check in our luguage but I think this is not the usual.

Food

7.3

Entertainment

7.4

Crew

7.9

Boarding

7.5

Comfort

7.4

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Christian,Feb 2025

YUL - DOH

Excellent, except this time is was a long time to check in our luguage but I think this is not the usual.

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 £1,725). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Belfast Intl to New South Wales

Discover the top 2 airlines 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£1,017Average£1,173FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Qatar AirwaysCheapest£1,037Average£1,166FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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

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