Find flights
When to book
FAQs

Cheap flights from Belfast City Airport to Sydney from $1,947

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
12 Oct — 19 Oct1
1 adult
1 adult, Economy

Cheap 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 September 2025.

Round-trip from

$1,947

Popular in

December

Cheapest in

November

Average price

$2,331
British Airways
  • British Airways
  • 2/3-23/3
  • 4 total stops
  • 53h 55m total
  • Belfast to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($172 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($110 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Belfast City to Sydney

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 September 2025.

Tue 21/1013:40BHD - SYD
2 stops32h 25mAmerican Airlines
Tue 2/1217:45SYD - BHD
2 stops34h 00mAmerican Airlines
Deal found 10/9$2,022
Tue 28/1011:25BHD - SYD
2 stops34h 35mAmerican Airlines
Tue 2/1217:45SYD - BHD
2 stops34h 00mAmerican Airlines
Deal found 10/9$2,431
Tue 28/1006:30BHD - SYD
2 stops37h 05mMultiple Airlines
Tue 2/1211:30SYD - BHD
2 stops40h 20mMultiple Airlines
Deal found 11/9$2,588

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 September 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

Mon 2/3

17:45-06:55

2 stops26h 10m

Sydney Kingsford Smith

Mon 23/3

16:20-09:05

2 stops27h 45m

$1,947

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 21/10

13:40-08:05

2 stops32h 25m

Sydney Kingsford Smith

Tue 2/12

17:45-16:45

2 stops34h 00m

$2,022

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 28/10

11:25-09:00

2 stops34h 35m

Sydney Kingsford Smith

Tue 2/12

17:45-16:45

2 stops34h 00m

$2,431

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 28/10

06:30-06:35

2 stops37h 05m

Sydney Kingsford Smith

Tue 2/12

11:30-16:50

2 stops40h 20m

$2,588

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 2/3

19:25-18:50

2 stops36h 25m

Sydney Kingsford Smith

Mon 23/3

06:35-16:50

3 stops45h 15m

$3,019

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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.

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 26h 10m. Fly via British Airways or American Airlines 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.

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

    Currently, May is the cheapest month in which you can book a flight from Belfast City Airport to Sydney (average of $129). Flying from Belfast City Airport to Sydney in October is currently the most expensive (average of $171). 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
Bondi Beach
Coogee
Cronulla
Leura

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 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.

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.