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Cheap flights from Belfast City Airport to Sydney from $1,029

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast City to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to Sydney
Explore the most affordable flight options available from Belfast City to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Tue 23/1211:25BHD - SYD
2 stops35h 00mMultiple Airlines
Sat 10/115:50SYD - BHD
2 stops33h 00mMultiple Airlines
Deal found 11/12$2,933
Sat 27/1206:30BHD - SYD
2 stops41h 15mMultiple Airlines
Fri 16/111:15SYD - BHD
2 stops40h 35mMultiple Airlines
Deal found 10/12$3,273
Fri 26/1206:45BHD - SYD
2 stops39h 15mAmerican Airlines
Tue 30/1217:45SYD - BHD
2 stops37h 30mAmerican Airlines
Deal found 10/12$3,393
Sat 27/1206:30BHD - SYD
2 stops41h 15mKLM
Fri 16/111:10SYD - BHD
3 stops40h 40mKLM
Deal found 10/12$3,409

Find flight deals from Belfast City to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Belfast City (BHD) 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 12 December 2025.

Round-trip from

$1,790

One-way from

$1,029

Popular in

August

Cheapest in

November

Average price

$2,481
25/1-1/2
  • 25/1-1/2
  • 4 total stops
  • 79h 05m total
  • Belfast to Sydney
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3/2
  • 3/2
  • 3 total stops
  • 59h 10m total
  • Belfast to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($261 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($76 potential savings vs. average return price).
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Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast City 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 12 December 2025.
Use the filters below to find and compare flights from Belfast City Airport to Sydney that are best for you.

Fly from

Belfast City

Fly to

Sydney

Route

Depart

Return

Price

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sun 25/1

17:20-10:45

2 stops54h 25m

Sydney Kingsford Smith

Sun 1/2

12:45-16:50

3 stops39h 05m

$2,235

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 5/3

09:05-07:55

2 stops35h 50m

Sydney Kingsford Smith

Mon 9/3

11:15-10:40

2 stops34h 25m

$2,305

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sun 8/3

09:10-18:50

2 stops46h 40m

Sydney Kingsford Smith

Thu 12/3

21:40-08:25

2 stops45h 45m

$2,534

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 23/12

11:25-09:25

2 stops35h 00m

Sydney Kingsford Smith

Sat 10/1

15:50-13:50

2 stops33h 00m

$2,933

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 27/12

06:30-10:45

2 stops41h 15m

Sydney Kingsford Smith

Fri 16/1

11:15-16:50

2 stops40h 35m

$3,276

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sun 4/1

06:30-08:35

3 stops39h 05m

Sydney Kingsford Smith

Wed 4/3

15:55-16:50

2 stops35h 55m

$3,381

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Fri 26/12

06:45-09:00

2 stops39h 15m

Sydney Kingsford Smith

Tue 30/12

17:45-20:15

2 stops37h 30m

$3,393

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 3/2

11:05-09:15

3 stops59h 10m

$1,029

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Fri 6/2

07:20-09:15

3 stops38h 55m

$1,191

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 3/2

11:25-20:20

2 stops45h 55m

$5,173

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Best time to book a flight from Belfast City to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Belfast City 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 City Airport to Sydney

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

Related info for your journey

Find useful and relevant information for your journey from Belfast City 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 City?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Belfast City to Sydney. You should not have trouble finding flights to Kingsford Smith from Belfast City; the airport handles an average of 0 inbound flights from Belfast City per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Sydney airport from Belfast City. It is only a 7.5 km journey from Kingsford Smith (SYD) to Sydney’s city centre.

  • How long is the flight from Belfast City Airport to Sydney?

    There are many flights that can get you from Belfast City Airport to Sydney in 35h 50m. Fly via KLM or British Airways to get the fastest option. Airlines will cover a distance of 17094 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Belfast City to Sydney that include hotel bookings?

    Yes. In addition to deals on Belfast City to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast City to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast City to Sydney.

  • Can I find deals for business class flights from Belfast City to Sydney?

    Yes. Cheapflights offers flight deals from Belfast City 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
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast City to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl 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 City 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 City today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Belfast City to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Belfast City to Sydney.

Can Cheapflights find flights from Belfast City to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Belfast City to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Belfast City 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 City today and book when prices fit your budget.

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