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Cheap flights from Belfast to Sydney from $958

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Belfast to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Sydney
Explore the most affordable flight options available from Belfast to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Sun 7/1206:30BHD - SYD
2 stops45h 25mMultiple Airlines
Sun 14/1221:00SYD - BHD
3 stops45h 40mMultiple Airlines
Deal found 23/10$1,760
Tue 2/1206:30BFS - SYD
2 stops40h 30mMultiple Airlines
Tue 9/1221:30SYD - BFS
2 stops31h 25mMultiple Airlines
Deal found 22/10$1,876
Sat 13/1222:25BFS - SYD
3 stops45h 50mMultiple Airlines
Mon 9/314:20SYD - BFS
3 stops41h 00mMultiple Airlines
Deal found 23/10$2,012
Sun 7/1206:30BFS - SYD
2 stops26h 50mMultiple Airlines
Sun 14/1220:05SYD - BFS
3 stops36h 50mMultiple Airlines
Deal found 23/10$2,080
Sat 6/1210:35BFS - SYD
2 stops36h 25mMultiple Airlines
Sat 13/1221:30SYD - BFS
2 stops45h 30mMultiple Airlines
Deal found 21/10$2,351
Sat 13/1217:20BHD - SYD
3 stops39h 00mMultiple Airlines
Mon 9/321:15SYD - BHD
3 stops34h 45mMultiple Airlines
Deal found 23/10$2,618
Tue 28/1006:30BHD - SYD
2 stops37h 55mMultiple Airlines
Tue 2/1211:30SYD - BHD
2 stops40h 20mMultiple Airlines
Deal found 23/10$2,623
Sat 13/1206:30BHD - SYD
2 stops37h 05mKLM
Mon 9/311:15SYD - BHD
2 stops40h 35mKLM
Deal found 23/10$2,987

Cheap flight deals from Belfast to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 October 2025.

Round-trip from

$1,760

One-way from

$958

Popular in

December

Cheapest in

October

Average price

$2,201
7/12-14/12
  • 7/12-14/12
  • 5 total stops
  • 91h 05m total
  • Belfast to Sydney
Search Deals
22/11
  • 22/11
  • 2 total stops
  • 60h 25m total
  • Belfast to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($180 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($93 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Sydney 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 647,157 searches. Data last updated 24 October 2025.
Use the filters below to find and compare flights from Belfast to Sydney that are best for you.

Fly from

Belfast

Fly to

Sydney

Route

Depart

Return

Price

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sun 7/12

06:30-14:55

2 stops45h 25m

Sydney Kingsford Smith

Sun 14/12

21:00-07:40

3 stops45h 40m

$1,760

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 2/12

06:30-10:00

2 stops40h 30m

Sydney Kingsford Smith

Tue 9/12

21:30-17:55

2 stops31h 25m

$1,876

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 13/12

22:25-07:15

3 stops45h 50m

Sydney Kingsford Smith

Mon 9/3

14:20-20:20

3 stops41h 00m

$2,012

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sun 7/12

06:30-20:20

2 stops26h 50m

Sydney Kingsford Smith

Sun 14/12

20:05-21:55

3 stops36h 50m

$2,080

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 8/1

20:00-13:35

2 stops54h 35m

Sydney Kingsford Smith

Thu 22/1

21:30-19:35

2 stops33h 05m

$2,228

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 8/1

18:35-13:35

2 stops56h 00m

Sydney Kingsford Smith

Thu 22/1

12:00-20:20

2 stops43h 20m

$2,234

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 6/12

10:35-10:00

2 stops36h 25m

Sydney Kingsford Smith

Sat 13/12

21:30-08:00

2 stops45h 30m

$2,351

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 13/12

17:20-19:20

3 stops39h 00m

Sydney Kingsford Smith

Mon 9/3

21:15-21:00

3 stops34h 45m

$2,618

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 28/10

06:30-07:25

2 stops37h 55m

Sydney Kingsford Smith

Tue 2/12

11:30-16:50

2 stops40h 20m

$2,623

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 13/12

06:30-06:35

2 stops37h 05m

Sydney Kingsford Smith

Mon 9/3

11:15-16:50

2 stops40h 35m

$2,987

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 11 results
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Best time to book a flight from Belfast to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Belfast 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 to Sydney

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

Currently, November is the cheapest month in which you can book a flight from Belfast to Sydney (average of $1,879). Flying from Belfast to Sydney in August is currently the most expensive (average of $2,450). 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 SYD?

Find hourly flight availability from Belfast to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 24 October 2025.

One of the essential ways to save on airfare from Belfast to Sydney is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 51% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Belfast 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?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Belfast. On average, Kingsford Smith has 0 inbound flights from Belfast 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 to Sydney that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast 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 to Sydney?

    Currently, November is the cheapest month in which you can book a flight from Belfast to Sydney (average of $1,879). Flying from Belfast to Sydney in August is currently the most expensive (average of $2,450). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Manly
Terrigal
Randwick
Coogee
Leura
Lithgow
Bondi Beach
Cronulla

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Sydney flights
Belfast City to Sydney flights

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 to Sydney?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from Belfast today with Cheapflights!

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

Cheapflights simply makes it quick and affordable to book flights from Belfast to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Belfast to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Belfast today and book when prices fit your budget.

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