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Cheap flights from Sydney to Belfast from $866

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 28/3. 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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Find the cheapest flights from Sydney to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
16:20 - 10:20
SYD
-
BHD
29h 00m
2 stops
British Airways Logo
19:25 - 06:55
BHD
-
SYD
48h 30m
2 stops
$1,771British Airways
Thu, 19 Feb - Mon, 23 Feb
British Airways Logo
16:20 - 10:20
SYD
-
BHD
29h 00m
2 stops
British Airways Logo
17:45 - 06:55
BHD
-
SYD
26h 10m
2 stops
$1,778British Airways
Thu, 19 Feb - Mon, 23 Feb
British Airways Logo
16:20 - 10:20
SYD
-
BHD
29h 00m
2 stops
British Airways Logo
17:45 - 06:55
BHD
-
SYD
26h 10m
2 stops
$1,782British Airways
Thu, 19 Feb - Mon, 23 Feb
British Airways Logo
16:20 - 10:20
SYD
-
BHD
29h 00m
2 stops
British Airways Logo
14:40 - 06:55
BHD
-
SYD
29h 15m
2 stops
$1,790British Airways
Thu, 19 Feb - Mon, 23 Feb
British Airways Logo
14:35 - 12:00
SYD
-
BHD
30h 25m
2 stops
British Airways Logo
11:00 - 06:05
BHD
-
SYD
34h 05m
2 stops
$1,801British Airways
Wed, 6 May - Sun, 10 May
British Airways Logo
14:35 - 12:00
SYD
-
BHD
30h 25m
2 stops
British Airways Logo
11:00 - 06:05
BHD
-
SYD
34h 05m
2 stops
$1,809British Airways
Wed, 6 May - Sun, 10 May
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
$1,811British Airways
Wed, 6 May - Sun, 10 May
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
$1,821British Airways
Wed, 6 May - Sun, 10 May
Multiple Airlines Logo
16:20 - 10:30
SYD
-
BHD
29h 10m
2 stops
Multiple Airlines Logo
19:35 - 07:55
BHD
-
SYD
49h 20m
2 stops
$1,834Multiple Airlines
Fri, 13 Mar - Fri, 20 Mar
Multiple Airlines Logo
06:00 - 21:05
SYD
-
BFS
26h 05m
2 stops
Multiple Airlines Logo
06:30 - 18:35
BFS
-
SYD
25h 05m
2 stops
$2,031Multiple Airlines
Fri, 13 Mar - Fri, 20 Mar

British Airways flights from Sydney to Belfast

Our best British Airways deals on Sydney to Belfast flight tickets
British Airways
19 Feb
SYD16:20Sydney Kingsford Smith
29h 00m
2 stops
BHD10:20Belfast City
23 Feb
BHD19:25Belfast City
48h 30m
2 stops
SYD06:55Sydney Kingsford Smith
$1,771
British Airways
19 Feb
SYD16:20Sydney Kingsford Smith
29h 00m
2 stops
BHD10:20Belfast City
23 Feb
BHD17:45Belfast City
26h 10m
2 stops
SYD06:55Sydney Kingsford Smith
$1,778
British Airways
19 Feb
SYD16:20Sydney Kingsford Smith
29h 00m
2 stops
BHD10:20Belfast City
23 Feb
BHD17:45Belfast City
26h 10m
2 stops
SYD06:55Sydney Kingsford Smith
$1,782

American Airlines flights from Sydney to Belfast

Our best American Airlines deals on Sydney to Belfast flight tickets
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
$4,102
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
$4,121

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 12 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

Thu 19/2

16:20-10:20

2 stops29h 00m

Belfast City

Mon 23/2

19:25-06:55

2 stops48h 30m

$1,771

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 19/2

16:20-10:20

2 stops29h 00m

Belfast City

Mon 23/2

17:45-06:55

2 stops26h 10m

$1,778

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 19/2

16:20-10:20

2 stops29h 00m

Belfast City

Mon 23/2

17:45-06:55

2 stops26h 10m

$1,782

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 19/2

16:20-10:20

2 stops29h 00m

Belfast City

Mon 23/2

14:40-06:55

2 stops29h 15m

$1,790

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

14:35-12:00

2 stops30h 25m

Belfast City

Sun 10/5

11:00-06:05

2 stops34h 05m

$1,801

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

14:35-12:00

2 stops30h 25m

Belfast City

Sun 10/5

11:00-06:05

2 stops34h 05m

$1,808

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

14:35-13:35

2 stops32h 00m

Belfast City

Sun 10/5

11:00-06:05

2 stops34h 05m

$1,811

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

$1,821

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Fri 13/3

16:20-10:30

2 stops29h 10m

Belfast City

Fri 20/3

19:35-07:55

2 stops49h 20m

$1,834

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 13/3

06:00-21:05

2 stops26h 05m

Belfast Intl

Fri 20/3

06:30-18:35

2 stops25h 05m

$2,031

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 $1,747Free cancellationRating
6.7
7,731 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