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Cheap flights from Sydney to Belfast from $977

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Belfast departing on 14/4. 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

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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
16:20 - 10:15
SYD
-
BHD
28h 55m
2 stops
British Airways Logo
17:35 - 06:55
BHD
-
SYD
50h 20m
2 stops
$1,794British Airways
Wed, 18 Feb - Sun, 22 Feb
British Airways Logo
16:20 - 10:20
SYD
-
BHD
29h 00m
2 stops
British Airways Logo
06:35 - 06:55
BHD
-
SYD
37h 20m
2 stops
$1,795British Airways
Thu, 19 Feb - Mon, 23 Feb
British Airways Logo
16:20 - 10:20
SYD
-
BHD
29h 00m
2 stops
British Airways Logo
11:30 - 06:55
BHD
-
SYD
32h 25m
2 stops
$1,808British Airways
Thu, 19 Feb - Mon, 23 Feb
British Airways Logo
14:35 - 13:35
SYD
-
BHD
32h 00m
2 stops
British Airways Logo
11:00 - 06:05
BHD
-
SYD
34h 05m
2 stops
$1,824British Airways
Wed, 13 May - Sun, 7 Jun
British Airways Logo
14:35 - 13:35
SYD
-
BHD
32h 00m
2 stops
British Airways Logo
19:10 - 06:05
BHD
-
SYD
49h 55m
2 stops
$1,825British Airways
Wed, 6 May - Sun, 10 May
British Airways Logo
10:10 - 08:50
SYD
-
BHD
31h 40m
2 stops
British Airways Logo
11:00 - 06:05
BHD
-
SYD
34h 05m
2 stops
$1,836British Airways
Wed, 13 May - Sun, 7 Jun
British Airways Logo
10:10 - 13:35
SYD
-
BHD
36h 25m
2 stops
British Airways Logo
06:30 - 06:05
BHD
-
SYD
38h 35m
2 stops
$1,837British Airways
Wed, 13 May - Sun, 7 Jun
British Airways Logo
14:35 - 13:35
SYD
-
BHD
32h 00m
2 stops
British Airways Logo
06:30 - 06:05
BHD
-
SYD
38h 35m
2 stops
$1,838British Airways
Wed, 6 May - Sun, 10 May
Multiple Airlines Logo
13:35 - 21:55
SYD
-
BFS
43h 20m
3 stops
Multiple Airlines Logo
13:25 - 06:35
BFS
-
SYD
31h 10m
2 stops
$2,148Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar
Multiple Airlines Logo
13:35 - 21:55
SYD
-
BFS
43h 20m
3 stops
Multiple Airlines Logo
12:45 - 06:35
BFS
-
SYD
31h 50m
3 stops
$2,361Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar

British Airways flights from Sydney to Belfast

Our best British Airways deals on Sydney to Belfast flight tickets
British Airways
18 Feb
SYD16:20Sydney Kingsford Smith
28h 55m
2 stops
BHD10:15Belfast City
22 Feb
BHD17:35Belfast City
50h 20m
2 stops
SYD06:55Sydney Kingsford Smith
$1,794
British Airways
19 Feb
SYD16:20Sydney Kingsford Smith
29h 00m
2 stops
BHD10:20Belfast City
23 Feb
BHD06:35Belfast City
37h 20m
2 stops
SYD06:55Sydney Kingsford Smith
$1,795
British Airways
19 Feb
SYD16:20Sydney Kingsford Smith
29h 00m
2 stops
BHD10:20Belfast City
23 Feb
BHD14:40Belfast City
29h 15m
2 stops
SYD06:55Sydney Kingsford Smith
$1,808

American Airlines flights from Sydney to Belfast

Our best American Airlines deals on Sydney to Belfast flight tickets
American Airlines
18 Feb
SYD09:45Sydney Kingsford Smith
34h 25m
3 stops
BHD09:10Belfast City
22 Feb
BHD09:10Belfast City
36h 50m
2 stops
SYD09:00Sydney Kingsford Smith
$3,553
American Airlines
19 Feb
SYD11:20Sydney Kingsford Smith
42h 30m
2 stops
BHD18:50Belfast City
23 Feb
BHD06:35Belfast City
38h 40m
3 stops
SYD08:15Sydney Kingsford Smith
$4,152
American Airlines
19 Feb
SYD11:20Sydney Kingsford Smith
42h 30m
2 stops
BHD18:50Belfast City
23 Feb
BHD06:35Belfast City
38h 40m
3 stops
SYD08:15Sydney Kingsford Smith
$4,159

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Belfast 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 78,305 searches. Data last updated 5 February 2026.
Use the filters below to find and compare flights from Sydney to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 18/2

16:20-10:15

2 stops28h 55m

Belfast City

Sun 22/2

17:35-06:55

2 stops50h 20m

$1,794

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 19/2

16:20-10:20

2 stops29h 00m

Belfast City

Mon 23/2

06:35-06:55

2 stops37h 20m

$1,795

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 19/2

16:20-10:20

2 stops29h 00m

Belfast City

Mon 23/2

11:30-06:55

2 stops32h 25m

$1,808

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

14:35-13:35

2 stops32h 00m

Belfast City

Sun 7/6

11:00-06:05

2 stops34h 05m

$1,824

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

14:35-13:35

2 stops32h 00m

Belfast City

Sun 10/5

19:10-06:05

2 stops49h 55m

$1,825

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

10:10-08:50

2 stops31h 40m

Belfast City

Sun 7/6

11:00-06:05

2 stops34h 05m

$1,836

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

10:10-13:35

2 stops36h 25m

Belfast City

Sun 7/6

06:30-06:05

2 stops38h 35m

$1,837

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

14:35-13:35

2 stops32h 00m

Belfast City

Sun 10/5

06:30-06:05

2 stops38h 35m

$1,838

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sun 22/3

13:35-21:55

3 stops43h 20m

Belfast Intl

Sun 29/3

13:25-06:35

2 stops31h 10m

$2,148

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sun 22/3

13:35-21:55

3 stops43h 20m

Belfast Intl

Sun 29/3

12:45-06:35

3 stops31h 50m

$2,361

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Cheap Sydney to Belfast flight deals and tips

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

Fastest flight time

29h 00m

Direct flights

None
The fastest flight from Sydney to Belfast takes 29h 00m
There are no direct flights from Sydney to Belfast. There are no popular flight routes from Sydney to Belfast.
Search flight deals

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

    A flight from Sydney Kingsford Smith to Belfast will travel around 17093.9 km. Typically, this will take 29h 00m by plane in normal conditions.

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

    Prices for flights from Sydney Kingsford Smith Airport to Belfast were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast 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 licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Sydney to Belfast

Compare and see reviews for airlines that fly from Sydney to Belfast with momondo
Airline
Rating
Free cancellation
Price
British AirwaysPriceFrom $1,829Free cancellationRating
6.7
7,716 reviews
Search British Airways flights

  • How do I get Price Alerts for flights from Sydney to Belfast?

    Search flight deals from Sydney to Belfast. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Sydney to Belfast with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Sydney.

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

All flight searches from Sydney to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Sydney to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast
Belfast Intl Airport
Belfast City Airport