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Cheap flights from Belfast Intl Airport to New South Wales from £872

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — SYD
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to New South Wales

Enter your travel dates to find the best prices.

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 5 December 2025.

Sat 27/1208:50BFS - SYD
3 stops34h 45mMultiple Airlines
Mon 5/112:00SYD - BFS
3 stops44h 05mMultiple Airlines
Deal found 3/12£2,389

Find 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 5 December 2025.

Round-trip from

£872

Popular in

December

Cheapest in

October

Average price

£1,536
25/2-14/3
  • 25/2-14/3
  • 4 total stops
  • 68h 40m total
  • Belfast to New South Wales
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 5 December 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 25/2

08:35-06:30

2 stops34h 55m

Sydney Kingsford Smith

Sat 14/3

21:30-20:15

2 stops33h 45m

£872

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 17/1

10:35-13:35

2 stops40h 00m

Sydney Kingsford Smith

Sat 24/1

21:30-17:40

2 stops31h 10m

£995

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 27/12

08:50-06:35

3 stops34h 45m

Sydney Kingsford Smith

Mon 5/1

12:00-21:05

3 stops44h 05m

£2,389

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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, November is the cheapest month in which you can book a flight from Belfast Intl Airport to New South Wales (average of £915). Flying from Belfast Intl Airport to New South Wales in August is currently the most expensive (average of £1,195). 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 5 December 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 24% on flights from Belfast Intl Airport to New South Wales by exploring options for tickets in the evening.

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 5 December 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.
British Airways
6.7
Okay
7,562 reviews
Check prices

Boarding

6.9

Crew

7.6

Food

6.4

Comfort

6.7

Entertainment

6.4

Overall

6.7

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.
British Airways
6.7
Okay
7,562 reviews
British Airways
6.7
Okay
7,562 reviews
Check prices

Boarding

6.9

Crew

7.6

Food

6.4

Comfort

6.7

Entertainment

6.4

Overall

6.7

Reviews

1 / 20
10.0
Excellent

María Victoria,Nov 2025

LHR - GRU

Seats were comfortable for economy. Blanket and pillow provided, same as headphones. For some reason the uk plug wouldn’t charge and had to use the US charger. Also couldn’t use WiFi as keep saying BA club pw was wrong although it wasn’t: but minor things. Overall good flight and attentive crew.

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, November is the cheapest month in which you can book a flight from Belfast Intl Airport to New South Wales (average of £915). Flying from Belfast Intl Airport to New South Wales in August is currently the most expensive (average of £1,195). 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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£1,017Average£1,191FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Belfast Intl to New South Wales 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 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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