Find flights
When to book
FAQs

Cheap flights from Belfast to Sydney from $785

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
18 Aug — 25 Aug1
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 19 July 2026.

Mon 31/806:10
BFS
-
SYD
2 stops45h 25m
Multiple Airlines
Mon 7/911:00
SYD
-
BFS
2 stops42h 25m
Multiple Airlines
Deal found 17/7$1,605
Tue 22/907:00
BHD
-
SYD
2 stops27h 25m
Multiple Airlines
Wed 21/1011:05
SYD
-
BHD
2 stops38h 00m
Multiple Airlines
Deal found 17/7$1,868
Tue 20/1014:20
BHD
-
SYD
2 stops33h 40m
Multiple Airlines
Tue 10/1112:00
SYD
-
BHD
2 stops36h 35m
Multiple Airlines
Deal found 17/7$1,891
Sat 28/1110:00
BHD
-
SYD
2 stops37h 00m
Multiple Airlines
Tue 29/1209:20
SYD
-
BHD
2 stops39h 15m
Multiple Airlines
Deal found 18/7$1,896
Tue 22/906:15
BFS
-
SYD
2 stops28h 10m
Multiple Airlines
Wed 21/1011:05
SYD
-
BFS
2 stops42h 35m
Multiple Airlines
Deal found 17/7$1,903
Tue 22/916:25
BHD
-
SYD
2 stops53h 40m
American Airlines
Sat 24/1010:10
SYD
-
BHD
2 stops44h 30m
American Airlines
Deal found 17/7$2,002
Tue 22/909:40
BHD
-
SYD
2 stops36h 25m
American Airlines
Fri 23/1010:10
SYD
-
BHD
3 stops42h 00m
American Airlines
Deal found 17/7$2,077
Tue 20/1017:30
BHD
-
SYD
3 stops28h 40m
KLM
Tue 10/1110:25
SYD
-
BHD
2 stops33h 45m
KLM
Deal found 17/7$2,405
Wed 11/1109:15
BHD
-
SYD
2 stops46h 35m
British Airways
Sun 15/1121:40
SYD
-
BHD
2 stops30h 10m
British Airways
Deal found 17/7$2,454
Tue 22/917:30
BHD
-
SYD
3 stops28h 40m
KLM
Tue 20/1014:05
SYD
-
BHD
2 stops29h 15m
KLM
Deal found 17/7$2,464
Tue 22/917:30
BHD
-
SYD
3 stops28h 40m
KLM
Wed 21/1022:10
SYD
-
BHD
2 stops45h 10m
KLM
Deal found 17/7$2,471
Sat 28/1121:10
BFS
-
SYD
2 stops33h 35m
Multiple Airlines
Tue 29/1209:20
SYD
-
BFS
2 stops35h 45m
Multiple Airlines
Deal found 18/7$2,839

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 19 July 2026.

Round-trip from

$1,605

One-way from

$785
31/8-7/9
  • 31/8-7/9
  • 4 total stops
  • 87h 50m total
  • Belfast to Sydney
Search Deals
29/10
  • 29/10
  • 3 total stops
  • 49h 20m 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 19 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

Mon 31/8

06:10-12:35

2 stops45h 25m

Sydney Kingsford Smith

Mon 7/9

11:00-20:25

2 stops42h 25m

$1,605

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 20/10

14:20-10:00

2 stops33h 40m

Sydney Kingsford Smith

Tue 10/11

12:00-13:35

2 stops36h 35m

$1,891

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 22/9

09:40-07:05

2 stops60h 25m

Sydney Kingsford Smith

Fri 23/10

10:10-18:10

2 stops42h 00m

$2,002

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 16/11

09:25-18:50

2 stops46h 25m

Sydney Kingsford Smith

Fri 20/11

21:40-19:10

2 stops32h 30m

$2,454

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

09:15-18:50

2 stops46h 35m

Sydney Kingsford Smith

Sun 15/11

21:40-16:50

2 stops30h 10m

$2,454

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 20/10

17:30-08:10

3 stops28h 40m

Sydney Kingsford Smith

Tue 10/11

11:10-16:50

3 stops40h 40m

$2,520

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 28/11

21:10-17:45

2 stops33h 35m

Sydney Kingsford Smith

Tue 29/12

09:20-10:05

2 stops35h 45m

$2,839
Fastest return journey

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 22/9

22:30-19:10

3 stops35h 40m

Sydney Kingsford Smith

Wed 21/10

14:35-13:45

2 stops33h 10m

$3,369

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 1/8

09:50-05:10

2 stops34h 20m

Sydney Kingsford Smith

Sat 15/8

22:10-09:20

2 stops44h 10m

$3,806
Cheapest one-way

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 29/10

06:30-18:50

3 stops49h 20m

$785

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 American Airlines and British Airways fly from Belfast to Sydney in about 46h 25m. The time it takes to get you to your destination can typically vary by up to 14h. The distance from Belfast to Sydney is about 17094 km. This flight may include one or multiple stops.

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.