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Cheap flights from Belfast to Sydney from $929

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
30 Apr — 7 May1
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 31 March 2026.

Thu 23/414:20
BHD
-
SYD
2 stops33h 05m
Multiple Airlines
Sat 23/521:45
SYD
-
BHD
2 stops43h 55m
Multiple Airlines
Deal found 26/3$1,921
Wed 6/518:20
BHD
-
SYD
2 stops33h 05m
China Southern
Wed 13/514:10
SYD
-
BHD
2 stops63h 25m
China Southern
Deal found 27/3$1,976
Wed 29/416:05
BHD
-
SYD
2 stops42h 20m
China Southern
Wed 6/510:05
SYD
-
BHD
2 stops67h 30m
China Southern
Deal found 31/3$1,998
Thu 14/520:05
BFS
-
SYD
2 stops35h 45m
Multiple Airlines
Thu 21/520:50
SYD
-
BFS
2 stops35h 00m
Multiple Airlines
Deal found 29/3$2,016
Thu 23/414:20
BHD
-
SYD
2 stops44h 05m
Multiple Airlines
Fri 22/521:45
SYD
-
BHD
2 stops55h 45m
Multiple Airlines
Deal found 26/3$2,035
Sun 5/418:20
BHD
-
SYD
2 stops37h 30m
Multiple Airlines
Sun 12/415:40
SYD
-
BHD
2 stops31h 10m
Multiple Airlines
Deal found 29/3$2,056
Mon 11/512:15
BFS
-
SYD
2 stops32h 55m
Multiple Airlines
Mon 18/515:40
SYD
-
BFS
2 stops27h 20m
Multiple Airlines
Deal found 27/3$2,067
Mon 27/418:30
BHD
-
SYD
2 stops39h 55m
Multiple Airlines
Mon 4/520:50
SYD
-
BHD
2 stops29h 00m
Multiple Airlines
Deal found 30/3$2,092
Thu 9/414:25
BHD
-
SYD
2 stops41h 25m
Multiple Airlines
Sat 25/415:40
SYD
-
BHD
2 stops51h 05m
Multiple Airlines
Deal found 27/3$2,105
Mon 7/1217:45
BHD
-
SYD
2 stops31h 30m
Multiple Airlines
Mon 21/1222:10
SYD
-
BHD
2 stops33h 05m
Multiple Airlines
Deal found 26/3$2,106
Fri 15/506:05
BFS
-
SYD
2 stops28h 20m
Multiple Airlines
Fri 22/520:50
SYD
-
BFS
2 stops33h 25m
Multiple Airlines
Deal found 31/3$2,112
Mon 15/608:40
BFS
-
SYD
2 stops36h 30m
Multiple Airlines
Fri 19/615:40
SYD
-
BFS
2 stops38h 20m
Multiple Airlines
Deal found 31/3$2,141

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 31 March 2026.

Round-trip from

$1,921

One-way from

$929

Popular in

July

Cheapest in

November

Average price

$2,162
23/4-23/5
  • 23/4-23/5
  • 4 total stops
  • 77h 00m total
  • Belfast to Sydney
Search Deals
3/5
  • 3/5
  • 3 total stops
  • 51h 55m total
  • Belfast to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($365 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($84 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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 31 March 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

BHD - SYD

BHDSYD

Belfast City

Thu 23/4

14:20-08:25

2 stops33h 05m

Sydney Kingsford Smith

Sat 23/5

21:45-08:40

2 stops43h 55m

$1,921

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 6/5

18:20-12:25

2 stops33h 05m

Sydney Kingsford Smith

Wed 13/5

14:10-20:35

2 stops63h 25m

$1,976

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 14/5

20:05-16:50

2 stops35h 45m

Sydney Kingsford Smith

Thu 21/5

20:50-22:50

2 stops35h 00m

$2,016

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 11/5

12:15-06:10

2 stops32h 55m

Sydney Kingsford Smith

Mon 18/5

15:40-10:00

2 stops27h 20m

$2,067

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 6/5

05:55-06:05

2 stops39h 10m

Sydney Kingsford Smith

Wed 13/5

06:00-07:40

2 stops34h 40m

$2,144

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 15/6

07:00-06:10

2 stops38h 10m

Sydney Kingsford Smith

Fri 19/6

21:30-17:20

2 stops28h 50m

$2,148

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 23/4

10:20-16:50

2 stops45h 30m

Sydney Kingsford Smith

Fri 22/5

20:50-21:00

2 stops33h 10m

$2,180

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Fri 24/4

07:00-16:50

2 stops24h 50m

Sydney Kingsford Smith

Sun 24/5

15:40-13:50

2 stops31h 10m

$2,304

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Fri 24/4

16:45-06:05

2 stops28h 20m

Sydney Kingsford Smith

Sun 24/5

06:00-07:30

2 stops34h 30m

$2,479

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Fri 24/7

06:05-08:20

3 stops41h 15m

Sydney Kingsford Smith

Sun 9/8

09:45-20:15

3 stops43h 30m

$2,650

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 24 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Belfast to Sydney (average of $977). Flying from Belfast to Sydney in August is currently the most expensive (average of $2,735). 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.

How much does it cost for a return flight from Belfast to Sydney?

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 China Southern and Qatar Airways fly from Belfast to Sydney in about 33h 05m. The time it takes to get you to your destination can typically vary by up to 5h 05m. 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.

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

    Currently, May is the cheapest month in which you can book a flight from Belfast to Sydney (average of $977). Flying from Belfast to Sydney in August is currently the most expensive (average of $2,735). 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
Penrith
Terrigal
Katoomba
Lithgow
Manly
Bondi Beach
Coogee
Cronulla
Leura
Randwick

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.

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