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Cheap flights from Belfast to Sydney from $1,582

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
1 Feb — 8 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Sydney

Enter your travel dates to find the best prices.

Best flights from Belfast to Sydney
Discover carefully curated flight deals from Belfast to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 2 January 2026.

Wed 6/507:00BHD - SYD
2 stops41h 00mMultiple Airlines
Wed 20/520:30SYD - BHD
2 stops32h 00mMultiple Airlines
Deal found 31/12$1,582
Thu 12/309:05BHD - SYD
2 stops48h 45mBritish Airways
Mon 16/315:15SYD - BHD
2 stops30h 25mBritish Airways
Deal found 31/12$2,021
Mon 9/311:30BHD - SYD
2 stops34h 30mAmerican Airlines
Wed 22/409:10SYD - BHD
3 stops37h 20mAmerican Airlines
Deal found 2/1$2,261
Wed 6/514:30BFS - SYD
2 stops33h 30mMultiple Airlines
Wed 20/520:30SYD - BFS
2 stops32h 10mMultiple Airlines
Deal found 31/12$1,606
Wed 11/310:15BHD - SYD
2 stops36h 45mMultiple Airlines
Wed 22/420:30SYD - BHD
2 stops32h 00mMultiple Airlines
Deal found 2/1$1,625
Tue 10/310:00BHD - SYD
2 stops36h 35mBritish Airways
Wed 22/420:45SYD - BHD
2 stops47h 25mBritish Airways
Deal found 2/1$2,109
Mon 9/306:35BHD - SYD
2 stops40h 00mBritish Airways
Wed 22/420:45SYD - BHD
2 stops47h 25mBritish Airways
Deal found 2/1$2,109
Fri 30/111:30BHD - SYD
2 stops39h 05mMultiple Airlines
Fri 6/215:15SYD - BHD
2 stops52h 00mMultiple Airlines
Deal found 31/12$2,147
Thu 12/315:05BHD - SYD
2 stops40h 45mBritish Airways
Wed 22/420:45SYD - BHD
2 stops47h 25mBritish Airways
Deal found 2/1$2,162
Sun 8/312:10BHD - SYD
2 stops31h 45mBritish Airways
Wed 22/420:45SYD - BHD
2 stops47h 25mBritish Airways
Deal found 2/1$2,186
Sat 14/318:00BHD - SYD
2 stops25h 55mBritish Airways
Wed 22/420:45SYD - BHD
2 stops47h 25mBritish Airways
Deal found 2/1$2,186
Fri 30/121:20BFS - SYD
3 stops59h 00mMultiple Airlines
Fri 6/221:15SYD - BFS
3 stops46h 40mMultiple Airlines
Deal found 31/12$2,485

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 2 January 2026.

Round-trip from

$1,582

Popular in

July

Cheapest in

October

Average price

$2,439
6/5-20/5
  • 6/5-20/5
  • 4 total stops
  • 73h 00m total
  • Belfast to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($345 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($85 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 2 January 2026.
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

Wed 6/5

07:00-09:00

2 stops41h 00m

Sydney Kingsford Smith

Wed 20/5

20:30-19:30

2 stops32h 00m

$1,582

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 6/5

14:30-09:00

2 stops33h 30m

Sydney Kingsford Smith

Wed 20/5

20:30-19:40

2 stops32h 10m

$1,606

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/3

10:15-10:00

2 stops36h 45m

Sydney Kingsford Smith

Wed 22/4

20:30-19:30

2 stops32h 00m

$1,625

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 12/3

09:05-20:50

2 stops48h 45m

Sydney Kingsford Smith

Mon 16/3

15:15-10:40

2 stops30h 25m

$2,021

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 10/3

10:00-09:35

2 stops36h 35m

Sydney Kingsford Smith

Wed 22/4

20:45-11:10

2 stops47h 25m

$2,109

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 9/3

06:35-09:35

2 stops40h 00m

Sydney Kingsford Smith

Wed 22/4

20:45-11:10

2 stops47h 25m

$2,109

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Fri 30/1

11:30-13:35

2 stops39h 05m

Sydney Kingsford Smith

Fri 6/2

15:15-08:15

2 stops52h 00m

$2,147

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 12/3

15:05-18:50

2 stops40h 45m

Sydney Kingsford Smith

Wed 22/4

20:45-11:10

2 stops47h 25m

$2,162

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sun 8/3

12:10-06:55

2 stops31h 45m

Sydney Kingsford Smith

Wed 22/4

20:45-11:10

2 stops47h 25m

$2,186

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 14/3

18:00-06:55

2 stops25h 55m

Sydney Kingsford Smith

Wed 22/4

20:45-11:10

2 stops47h 25m

$2,186

Flights are sorted by cheapest return flights first.

Deals found on 31/12

Showing 1-10 of 12 results
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

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 $1,807). Flying from Belfast to Sydney in August is currently the most expensive (average of $2,801). 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.

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 48h 45m. 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.

  • 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 $1,807). Flying from Belfast to Sydney in August is currently the most expensive (average of $2,801). 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
Terrigal
Manly
Lithgow
Randwick
Coogee
Leura
Cronulla
Bondi Beach

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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