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Cheap flights from Sydney to Belfast from $721

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 27/4. 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.
Multiple Airlines Logo
09:45 - 19:40
SYD
-
BFS
42h 55m
3 stops
Multiple Airlines Logo
18:40 - 08:20
BFS
-
SYD
52h 40m
3 stops
$1,540Multiple Airlines
Wed, 8 Jul - Tue, 18 Aug
Multiple Airlines Logo
09:45 - 20:30
SYD
-
BHD
43h 45m
3 stops
Multiple Airlines Logo
14:20 - 08:20
BHD
-
SYD
57h 00m
3 stops
$1,579Multiple Airlines
Wed, 8 Jul - Tue, 18 Aug
British Airways Logo
16:20 - 08:25
SYD
-
BHD
27h 05m
2 stops
British Airways Logo
15:05 - 06:55
BHD
-
SYD
28h 50m
2 stops
$1,791British Airways
Sun, 15 Mar - Thu, 19 Mar
Multiple Airlines Logo
20:30 - 19:40
SYD
-
BFS
32h 10m
2 stops
Multiple Airlines Logo
18:40 - 09:00
BFS
-
SYD
53h 20m
2 stops
$1,811Multiple Airlines
Wed, 8 Jul - Tue, 18 Aug
British Airways Logo
10:10 - 12:00
SYD
-
BHD
34h 50m
2 stops
British Airways Logo
19:10 - 06:05
BHD
-
SYD
49h 55m
2 stops
$1,820British Airways
Wed, 13 May - Sun, 7 Jun
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
$1,821British Airways
Wed, 6 May - Sun, 10 May
British Airways Logo
14:35 - 12:00
SYD
-
BHD
30h 25m
2 stops
British Airways Logo
19:10 - 06:05
BHD
-
SYD
49h 55m
2 stops
$1,822British Airways
Wed, 6 May - Sun, 10 May
British Airways Logo
10:10 - 08:50
SYD
-
BHD
31h 40m
2 stops
British Airways Logo
20:10 - 06:05
BHD
-
SYD
48h 55m
2 stops
$1,825British Airways
Wed, 13 May - Sun, 7 Jun
British Airways Logo
14:35 - 13:35
SYD
-
BHD
32h 00m
2 stops
British Airways Logo
20:10 - 06:05
BHD
-
SYD
48h 55m
2 stops
$1,827British Airways
Wed, 6 May - Sun, 10 May
British Airways Logo
16:20 - 10:40
SYD
-
BHD
29h 20m
2 stops
British Airways Logo
11:35 - 06:55
BHD
-
SYD
32h 20m
2 stops
$1,837British Airways
Mon, 16 Mar - Sat, 21 Mar

British Airways flights from Sydney to Belfast

Our best British Airways deals on Sydney to Belfast flight tickets
British Airways
15 Mar
SYD16:20Sydney Kingsford Smith
27h 05m
2 stops
BHD08:25Belfast City
19 Mar
BHD15:05Belfast City
28h 50m
2 stops
SYD06:55Sydney Kingsford Smith
$1,791
British Airways
13 May
SYD10:10Sydney Kingsford Smith
34h 50m
2 stops
BHD12:00Belfast City
7 June
BHD19:10Belfast City
49h 55m
2 stops
SYD06:05Sydney Kingsford Smith
$1,820
British Airways
6 May
SYD14:35Sydney Kingsford Smith
30h 25m
2 stops
BHD12:00Belfast City
10 May
BHD11:00Belfast City
34h 05m
2 stops
SYD06:05Sydney Kingsford Smith
$1,821

KLM flights from Sydney to Belfast

Our best KLM deals on Sydney to Belfast flight tickets
KLM
7 July
SYD10:10Sydney Kingsford Smith
32h 10m
2 stops
BHD09:20Belfast City
19 Aug
BHD17:30Belfast City
28h 00m
3 stops
SYD06:30Sydney Kingsford Smith
$2,717
KLM
17 Mar
SYD12:10Sydney Kingsford Smith
43h 50m
2 stops
BHD21:00Belfast City
22 Mar
BHD06:30Belfast City
38h 00m
3 stops
SYD07:30Sydney Kingsford Smith
$2,796
KLM
13 May
SYD16:25Sydney Kingsford Smith
57h 30m
3 stops
BHD16:55Belfast City
7 June
BHD17:30Belfast City
41h 45m
3 stops
SYD20:15Sydney Kingsford Smith
$2,830

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 19 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 - BFS

SYDBFS

Sydney Kingsford Smith

Wed 8/7

09:45-19:40

3 stops42h 55m

Belfast Intl

Tue 18/8

18:40-08:20

3 stops52h 40m

$1,540

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 8/7

09:45-20:30

3 stops43h 45m

Belfast City

Tue 18/8

14:20-08:20

3 stops57h 00m

$1,579

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 15/3

16:20-08:25

2 stops27h 05m

Belfast City

Thu 19/3

15:05-06:55

2 stops28h 50m

$1,791

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 8/7

20:30-19:40

2 stops32h 10m

Belfast Intl

Tue 18/8

18:40-09:00

2 stops53h 20m

$1,811

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

10:10-12:00

2 stops34h 50m

Belfast City

Sun 7/6

19:10-06:05

2 stops49h 55m

$1,820

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

$1,821

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

14:35-12:00

2 stops30h 25m

Belfast City

Sun 10/5

19:10-06:05

2 stops49h 55m

$1,822

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

10:10-08:50

2 stops31h 40m

Belfast City

Sun 7/6

20:10-06:05

2 stops48h 55m

$1,825

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

14:35-13:35

2 stops32h 00m

Belfast City

Sun 10/5

20:10-06:05

2 stops48h 55m

$1,827

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Mon 16/3

16:20-10:40

2 stops29h 20m

Belfast City

Sat 21/3

11:35-06:55

2 stops32h 20m

$1,837

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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

27h 45m

Direct flights

None
The fastest flight from Sydney to Belfast takes 27h 45m
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 27h 45m 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 $1,761Free cancellationRating
6.7
7,755 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