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Cheap flights from Belfast to Sydney from £572

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 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
13 Sep — 20 Sep1
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 14 August 2026.

Wed 9/906:10 -
2 stops45h 25m
Tue 15/911:00 -
2 stops53h 40m
Deal found 12/8£793
Wed 11/1109:15 -
2 stops35h 40m
Sun 15/1111:15 -
2 stops34h 30m
Deal found 13/8£1,143
Wed 4/1111:40 -
2 stops33h 15m
Sun 8/1108:45 -
2 stops34h 50m
Deal found 11/8£1,145
Thu 17/1218:35 -
2 stops36h 45m
Thu 14/122:10 -
2 stops27h 50m
Deal found 11/8£1,157
Tue 22/1208:25 -
3 stops44h 25m
Tue 12/110:30 -
3 stops45h 25m
Deal found 13/8£1,205
Thu 17/1209:25 -
3 stops47h 55m
Thu 14/110:40 -
3 stops39h 25m
Deal found 11/8£1,207
Wed 23/906:15 -
2 stops25h 35m
Wed 30/915:40 -
2 stops30h 20m
Deal found 9/8£1,280
Tue 22/1209:40 -
2 stops35h 15m
Tue 12/109:20 -
2 stops66h 30m
Deal found 13/8£1,545
Sat 29/816:15 -
2 stops29h 10m
Wed 2/920:45 -
2 stops31h 00m
Deal found 13/8£1,680
Thu 17/1209:40 -
2 stops35h 15m
Thu 14/111:10 -
3 stops40h 40m
Deal found 11/8£1,721
Fri 18/1209:40 -
2 stops46h 35m
Fri 22/120:45 -
2 stops47h 25m
Deal found 14/8£5,021
Thu 17/1209:40 -
2 stops46h 35m
Mon 4/120:45 -
2 stops47h 25m
Deal found 9/8£5,563

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 14 August 2026.

Round-trip from

£793

One-way from

£572
9/9-15/9
  • 9/9-15/9
  • 4 total stops
  • 99h 05m total
  • Belfast to Sydney
Search Deals
31/12
  • 31/12
  • 3 total stops
  • 58h 45m 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 858,174 searches. Data last updated 14 August 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 Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Wed 9/9

06:10-12:35

2 stops45h 25m

Sydney Kingsford Smith

Tue 15/9

11:00-07:40

2 stops53h 40m

£793

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 11/11

09:15-07:55

2 stops35h 40m

Sydney Kingsford Smith

Sun 15/11

11:15-10:45

2 stops34h 30m

£1,143

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Wed 4/11

11:40-07:55

2 stops33h 15m

Sydney Kingsford Smith

Sun 8/11

08:45-08:35

2 stops34h 50m

£1,145

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Tue 22/12

08:25-15:50

3 stops44h 25m

Sydney Kingsford Smith

Tue 12/1

10:30-20:55

3 stops45h 25m

£1,205

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Thu 17/12

09:25-20:20

3 stops47h 55m

Sydney Kingsford Smith

Thu 14/1

10:40-15:05

3 stops39h 25m

£1,207
Fastest return journey

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Wed 23/9

06:15-16:50

2 stops25h 35m

Sydney Kingsford Smith

Wed 30/9

15:40-13:00

2 stops30h 20m

£1,280

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Sat 29/8

16:15-06:25

2 stops29h 10m

Sydney Kingsford Smith

Wed 2/9

20:45-18:45

2 stops31h 00m

£1,680

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Thu 17/12

09:40-07:55

2 stops35h 15m

Sydney Kingsford Smith

Thu 14/1

11:10-16:50

3 stops40h 40m

£1,721

BelfastSydney

BHD Belfast City - SYD Sydney Kingsford Smith

BHDSYD

Belfast City

Tue 22/12

09:40-07:25

3 stops34h 45m

Sydney Kingsford Smith

Tue 12/1

16:30-16:50

2 stops35h 20m

£1,780
Cheapest one-way

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Thu 31/12

21:05-18:50

3 stops58h 45m

£572

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 14 resultsSorted by cheapest first
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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 14 August 2026.
Get a feel of what it's like to fly with Qatar Airways and British Airways from Belfast to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,739 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

7.9

Food

7.3

Boarding

7.5

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Steven,Aug 2026

DOH - BNE

It would be nice if the vegetarian meal option wasn't always tomato pasta. There are great middle eastern and Asian dishes.
Qatar Airways
7.4
Good
3,739 reviews
Qatar Airways
7.4
Good
3,739 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

7.9

Food

7.3

Boarding

7.5

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Steven,Aug 2026

DOH - BNE

It would be nice if the vegetarian meal option wasn't always tomato pasta. There are great middle eastern and Asian dishes.
British Airways
6.7
Okay
8,160 reviews
Qatar Airways
7.4
Good
3,739 reviews
Check prices

Comfort

7.3

Overall

7.4

Crew

7.9

Food

7.3

Boarding

7.5

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Steven,Aug 2026

DOH - BNE

It would be nice if the vegetarian meal option wasn't always tomato pasta. There are great middle eastern and Asian dishes.

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?

    Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly into when you book flights from Belfast to Sydney. 2 airlines have flights to Kingsford Smith from Belfast on a regular basis. Booking flights from Belfast to Sydney Kingsford Smith should not be difficult; the airport handles an average of 0 inbound flights from Belfast per day.

  • How long is the flight from Belfast to Sydney?

    British Airways can get you from Belfast to Sydney in just under 35h 40m. Your travel time can differ by up to . Belfast and Sydney are separated by a distance of 10622 mi.

  • What are the cheapest airlines flying from Belfast to Sydney round-trip?

    According to our current data, Qatar Airways (£496), and British Airways (£989) offers the cheapest pricing from Belfast to Sydney.

  • 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
Wollongong
Parramatta
Bondi Beach
Coogee
Manly

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
Belfast City to Coolangatta flights

Top 2 airlines flying from Belfast to Sydney

Discover the top 2 airlines that operate flights from Belfast to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest£496Average£1,252FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest£989Average£1,259FlexibilityNo cancel feeOn-time70%
Search British Airways 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?

Deals for Belfast to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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?

Not ready to book yet? You can track prices for flights from Belfast to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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