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Cheap flights from Belfast to Sydney from $804

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
25 Aug — 1 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 26 July 2026.

Tue 1/906:15
BFS
-
SYD
2 stops41h 45m
Multiple Airlines
Wed 9/920:30
SYD
-
BFS
2 stops33h 10m
Multiple Airlines
Deal found 25/7$1,587
Sat 5/909:40
BFS
-
SYD
2 stops41h 55m
Multiple Airlines
Sat 12/911:00
SYD
-
BFS
2 stops44h 40m
Multiple Airlines
Deal found 22/7$1,659
Thu 27/820:35
BHD
-
SYD
2 stops50h 50m
Multiple Airlines
Fri 11/921:45
SYD
-
BHD
2 stops53h 30m
Multiple Airlines
Deal found 21/7$1,857
Wed 30/1206:25
BFS
-
SYD
2 stops37h 55m
Multiple Airlines
Wed 3/312:00
SYD
-
BFS
2 stops33h 05m
Multiple Airlines
Deal found 21/7$1,891
Wed 30/1207:25
BHD
-
SYD
2 stops36h 55m
Multiple Airlines
Wed 3/312:00
SYD
-
BHD
2 stops37h 30m
Multiple Airlines
Deal found 21/7$1,912
Mon 7/1207:00
BHD
-
SYD
2 stops36h 50m
Qatar Airways
Thu 31/1221:10
SYD
-
BHD
2 stops28h 50m
Qatar Airways
Deal found 21/7$2,139
Thu 12/1106:20
BFS
-
SYD
2 stops29h 10m
Multiple Airlines
Fri 27/1106:00
SYD
-
BFS
2 stops36h 40m
Multiple Airlines
Deal found 23/7$2,160
Mon 7/1210:15
BFS
-
SYD
2 stops36h 45m
Multiple Airlines
Thu 31/1209:20
SYD
-
BFS
2 stops35h 50m
Multiple Airlines
Deal found 21/7$2,264
Wed 11/1111:25
BHD
-
SYD
2 stops44h 55m
British Airways
Sun 15/1122:10
SYD
-
BHD
2 stops31h 30m
British Airways
Deal found 24/7$2,409
Mon 16/1109:25
BHD
-
SYD
2 stops46h 25m
British Airways
Fri 20/1121:40
SYD
-
BHD
2 stops32h 30m
British Airways
Deal found 23/7$2,415
Wed 30/1209:40
BHD
-
SYD
3 stops37h 05m
KLM
Wed 3/309:10
SYD
-
BHD
2 stops42h 40m
KLM
Deal found 21/7$2,496
Sat 1/818:20
BHD
-
SYD
2 stops37h 50m
Qatar Airways
Sat 15/820:45
SYD
-
BHD
2 stops30h 50m
Qatar Airways
Deal found 23/7$2,670

Find 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 26 July 2026.

Round-trip from

$1,587

One-way from

$804
1/9-9/9
  • 1/9-9/9
  • 4 total stops
  • 74h 55m total
  • Belfast to Sydney
Search Deals
29/11
  • 29/11
  • 3 total stops
  • 57h 55m total
  • Belfast to Sydney
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 26 July 2026.
Use the filters below to find and compare flights from Belfast to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 1/9

06:15-09:00

2 stops41h 45m

Sydney Kingsford Smith

Wed 9/9

20:30-20:40

2 stops33h 10m

$1,587

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 5/9

09:40-12:35

2 stops41h 55m

Sydney Kingsford Smith

Sat 12/9

11:00-22:40

2 stops44h 40m

$1,659

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 30/12

06:25-07:20

2 stops37h 55m

Sydney Kingsford Smith

Wed 3/3

12:00-10:05

2 stops33h 05m

$1,891

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 12/11

06:20-22:30

2 stops29h 10m

Sydney Kingsford Smith

Fri 27/11

06:00-07:40

2 stops36h 40m

$2,160

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 7/12

10:15-10:00

2 stops36h 45m

Sydney Kingsford Smith

Thu 31/12

09:20-10:10

2 stops35h 50m

$2,264

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

11:25-19:20

2 stops44h 55m

Sydney Kingsford Smith

Sun 15/11

22:10-18:40

2 stops31h 30m

$2,409

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 16/11

09:15-19:20

2 stops47h 05m

Sydney Kingsford Smith

Fri 20/11

22:10-17:15

2 stops30h 05m

$2,409

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 30/12

09:40-09:45

3 stops37h 05m

Sydney Kingsford Smith

Wed 3/3

11:40-09:10

3 stops32h 30m

$2,770

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 27/8

19:30-10:30

3 stops30h 00m

Sydney Kingsford Smith

Fri 11/9

07:40-08:50

2 stops34h 10m

$2,830
Fastest return journey

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 8/8

16:15-06:25

2 stops29h 10m

Sydney Kingsford Smith

Wed 12/8

20:45-18:45

2 stops31h 00m

$3,152

Flights are sorted by cheapest return flights first.

Deals found on 25/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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

No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Belfast to Sydney?

    Airlines like British Airways fly from Belfast to Sydney in about 44h 55m. The time it takes to get you to your destination can typically vary by up to . The distance from Belfast to Sydney is about 17094 km.

  • 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.

See more FAQs

Travelling to a place near Sydney?

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

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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