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Cheap flights from Belfast to Sydney from £486

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Sydney departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Belfast to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:40 - 12:35
BFS
-
SYD
41h 55m
2 stops
Multiple Airlines Logo
11:00 - 22:40
SYD
-
BFS
44h 40m
2 stops
£866Multiple Airlines
Sat, 5 Sep - Sat, 12 Sep
Multiple Airlines Logo
20:35 - 08:25
BHD
-
SYD
50h 50m
2 stops
Multiple Airlines Logo
21:45 - 18:15
SYD
-
BHD
53h 30m
2 stops
£970Multiple Airlines
Thu, 27 Aug - Fri, 11 Sep
Multiple Airlines Logo
06:25 - 07:20
BFS
-
SYD
37h 55m
2 stops
Multiple Airlines Logo
12:00 - 10:05
SYD
-
BFS
33h 05m
2 stops
£987Multiple Airlines
Wed, 30 Dec - Wed, 3 Mar
Multiple Airlines Logo
10:00 - 10:00
BHD
-
SYD
37h 00m
2 stops
Multiple Airlines Logo
09:20 - 13:35
SYD
-
BHD
39h 15m
2 stops
£990Multiple Airlines
Sat, 28 Nov - Tue, 29 Dec
Multiple Airlines Logo
07:25 - 07:20
BHD
-
SYD
36h 55m
2 stops
Multiple Airlines Logo
12:00 - 14:30
SYD
-
BHD
37h 30m
2 stops
£999Multiple Airlines
Wed, 30 Dec - Wed, 3 Mar
Multiple Airlines Logo
07:00 - 19:25
BHD
-
SYD
27h 25m
2 stops
Multiple Airlines Logo
10:05 - 20:30
SYD
-
BHD
43h 25m
2 stops
£1,023Multiple Airlines
Thu, 27 Aug - Fri, 11 Sep
Qatar Airways Logo
07:00 - 06:50
BHD
-
SYD
36h 50m
2 stops
Qatar Airways Logo
21:10 - 15:00
SYD
-
BHD
28h 50m
2 stops
£1,117Qatar Airways
Mon, 7 Dec - Thu, 31 Dec
British Airways Logo
09:15 - 18:50
BHD
-
SYD
46h 35m
2 stops
British Airways Logo
21:40 - 16:50
SYD
-
BHD
30h 10m
2 stops
£1,261British Airways
Wed, 11 Nov - Sun, 15 Nov
British Airways Logo
12:25 - 18:50
BHD
-
SYD
43h 25m
2 stops
British Airways Logo
21:40 - 18:40
SYD
-
BHD
32h 00m
2 stops
£1,262British Airways
Wed, 11 Nov - Sun, 15 Nov
KLM Logo
09:40 - 09:45
BHD
-
SYD
37h 05m
3 stops
KLM Logo
09:10 - 16:50
SYD
-
BHD
42h 40m
2 stops
£1,304KLM
Wed, 30 Dec - Wed, 3 Mar

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British Airways flights from Belfast to Sydney

Our best British Airways deals on Belfast to Sydney flight tickets
British Airways
11 Nov
BHD09:15Belfast City
46h 35m
2 stops
SYD18:50Sydney Kingsford Smith
15 Nov
SYD21:40Sydney Kingsford Smith
30h 10m
2 stops
BHD16:50Belfast City
£1,261
British Airways
11 Nov
BHD12:25Belfast City
43h 25m
2 stops
SYD18:50Sydney Kingsford Smith
15 Nov
SYD21:40Sydney Kingsford Smith
32h 00m
2 stops
BHD18:40Belfast City
£1,262
British Airways
16 Nov
BHD06:35Belfast City
49h 15m
2 stops
SYD18:50Sydney Kingsford Smith
20 Nov
SYD21:40Sydney Kingsford Smith
30h 35m
2 stops
BHD17:15Belfast City
£1,263

Qatar Airways flights from Belfast to Sydney

Our best Qatar Airways deals on Belfast to Sydney flight tickets
Qatar Airways
7 Dec
BHD07:00Belfast City
36h 50m
2 stops
SYD06:50Sydney Kingsford Smith
31 Dec
SYD21:10Sydney Kingsford Smith
28h 50m
2 stops
BHD15:00Belfast City
£1,117
Qatar Airways
1 Aug
BHD18:20Belfast City
37h 50m
2 stops
SYD17:10Sydney Kingsford Smith
15 Aug
SYD20:45Sydney Kingsford Smith
30h 50m
2 stops
BHD18:35Belfast City
£1,394
Qatar Airways
1 Aug
BHD18:20Belfast City
37h 50m
2 stops
SYD17:10Sydney Kingsford Smith
15 Aug
SYD20:45Sydney Kingsford Smith
28h 50m
2 stops
BHD16:35Belfast City
£1,396

momondo 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, momondo users made 279,928 searches. Data last updated 23 July 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 - SYD

BFSSYD

Belfast Intl

Sat 5/9

09:40-12:35

2 stops41h 55m

Sydney Kingsford Smith

Sat 12/9

11:00-22:40

2 stops44h 40m

£866

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 27/8

20:35-08:25

2 stops50h 50m

Sydney Kingsford Smith

Fri 11/9

21:45-18:15

2 stops53h 30m

£970

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 30/12

06:25-07:20

2 stops37h 55m

Sydney Kingsford Smith

Wed 3/3

12:00-10:05

2 stops33h 05m

£987

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 28/11

10:00-10:00

2 stops37h 00m

Sydney Kingsford Smith

Tue 29/12

09:20-13:35

2 stops39h 15m

£990

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 30/12

07:25-07:20

2 stops36h 55m

Sydney Kingsford Smith

Wed 3/3

12:00-14:30

2 stops37h 30m

£999

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 27/8

07:00-19:25

2 stops27h 25m

Sydney Kingsford Smith

Fri 11/9

10:05-20:30

2 stops43h 25m

£1,023
Fastest return journey

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 7/12

07:00-06:50

2 stops36h 50m

Sydney Kingsford Smith

Thu 31/12

21:10-15:00

2 stops28h 50m

£1,117

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

09:15-18:50

2 stops46h 35m

Sydney Kingsford Smith

Sun 15/11

21:40-16:50

2 stops30h 10m

£1,261

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/11

12:25-18:50

2 stops43h 25m

Sydney Kingsford Smith

Sun 15/11

21:40-18:40

2 stops32h 00m

£1,262

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 30/12

09:40-09:45

3 stops37h 05m

Sydney Kingsford Smith

Wed 3/3

09:10-16:50

2 stops42h 40m

£1,304

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from Belfast to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Belfast to Sydney Kingsford Smith?

American Airlines is the most popular carrier operating from Belfast to Sydney Kingsford Smith

Cheap Belfast to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Sydney

Fastest flight time

36h 55m

Direct flights

None
The fastest flight from Belfast to Sydney takes 36h 55m
There are no direct flights from Belfast to Sydney. There are no popular flight routes from Belfast to Sydney.
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Frequently asked questions about flying from Belfast to Sydney

  • How far is Belfast to Sydney Kingsford Smith by plane?

    The straight-line distance from Belfast to Sydney Kingsford Smith is 10621.7 mi. By plane, this route typically takes 36h 55m.

  • When did momondo last update prices for flights from Belfast to Sydney Kingsford Smith Airport?

    Prices for flights from Belfast to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from Belfast to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Belfast to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Belfast to Sydney

Compare and see reviews for airlines that fly from Belfast to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom £501Free CancellationRating
7.3
3,747 reviews
Search Qatar Airways flights
British AirwaysPriceFrom £1,000Free CancellationRating
6.7
8,129 reviews
Search British Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Randwick
Cronulla
Coogee
Leura
Manly
Katoomba
Wollongong
Penrith
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Belfast to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Belfast which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Belfast to Sydney?

Once you have performed a search for Belfast to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Belfast to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Belfast and alert you when they change.

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