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Cheap flights from Belfast to Sydney from $1,092

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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
15 Sep — 22 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 16 August 2026.

Wed 9/906:10 -
2 stops45h 25m
Tue 15/911:00 -
2 stops53h 40m
Deal found 12/8$1,513
Tue 10/1107:00 -
2 stops40h 00m
Tue 24/1112:00 -
2 stops43h 10m
Deal found 15/8$1,577
Tue 10/1110:00 -
2 stops35h 35m
Tue 24/1110:30 -
2 stops44h 40m
Deal found 15/8$1,707
Wed 11/1109:15 -
2 stops35h 40m
Sun 15/1111:15 -
2 stops34h 30m
Deal found 13/8$2,181
Wed 4/1111:40 -
2 stops33h 15m
Sun 8/1108:45 -
2 stops34h 50m
Deal found 11/8$2,186
Thu 17/1218:35 -
2 stops36h 45m
Thu 14/122:10 -
2 stops27h 50m
Deal found 11/8$2,208
Wed 23/921:35 -
2 stops35h 30m
Wed 30/920:45 -
2 stops32h 30m
Deal found 15/8$2,289
Tue 22/1208:25 -
3 stops44h 25m
Tue 12/110:30 -
3 stops45h 25m
Deal found 13/8$2,300
Thu 17/1209:25 -
3 stops47h 55m
Thu 14/110:40 -
3 stops39h 25m
Deal found 11/8$2,303
Tue 10/1117:20 -
3 stops27h 05m
Tue 24/1116:30 -
2 stops35h 20m
Deal found 15/8$2,401
Tue 10/1113:35 -
3 stops42h 50m
Tue 24/1121:35 -
3 stops52h 25m
Deal found 15/8$2,540
Tue 22/1209:40 -
2 stops35h 15m
Mon 25/109:55 -
2 stops34h 15m
Deal found 15/8$2,688

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 16 August 2026.

Round-trip from

$1,513

One-way from

$1,092
9/9-15/9
  • 9/9-15/9
  • 4 total stops
  • 99h 05m total
  • Belfast to Sydney
Search Deals
31/12
  • 31/12
  • 3 total stops
  • 58h 45m 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 16 August 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 Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Wed 9/9

06:10-12:35

2 stops45h 25m

Sydney Kingsford Smith

Tue 15/9

11:00-07:40

2 stops53h 40m

$1,513

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Tue 10/11

07:00-10:00

2 stops40h 00m

Sydney Kingsford Smith

Tue 24/11

12:00-20:10

2 stops43h 10m

$1,577

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 11/11

09:15-07:55

2 stops35h 40m

Sydney Kingsford Smith

Sun 15/11

11:15-10:45

2 stops34h 30m

$2,181

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 4/11

11:40-07:55

2 stops33h 15m

Sydney Kingsford Smith

Sun 8/11

08:45-08:35

2 stops34h 50m

$2,184

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Wed 23/9

21:35-18:05

2 stops35h 30m

Sydney Kingsford Smith

Wed 30/9

20:45-20:15

2 stops32h 30m

$2,289

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Tue 22/12

08:25-15:50

3 stops44h 25m

Sydney Kingsford Smith

Tue 12/1

10:30-20:55

3 stops45h 25m

$2,300

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Thu 17/12

09:25-20:20

3 stops47h 55m

Sydney Kingsford Smith

Thu 14/1

10:40-15:05

3 stops39h 25m

$2,303
Fastest return journey

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Tue 10/11

15:05-06:55

1 stop28h 50m

Sydney Kingsford Smith

Tue 24/11

22:10-16:45

2 stops29h 35m

$2,344

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Tue 22/12

09:40-07:55

2 stops35h 15m

Sydney Kingsford Smith

Mon 25/1

09:55-09:10

2 stops34h 15m

$2,688

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Tue 22/12

09:40-07:25

3 stops34h 45m

Sydney Kingsford Smith

Mon 25/1

16:30-16:50

2 stops35h 20m

$3,018

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 15 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 35h 40m. 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
Manly
Katoomba
Lithgow
Cronulla
Randwick
Terrigal
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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