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Cheap flights from Sydney to Belfast from £356

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 25/4. 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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:10 - 20:40
SYD
-
BFS
39h 30m
2 stops
Multiple Airlines Logo
20:50 - 19:25
BFS
-
SYD
37h 35m
2 stops
£745Multiple Airlines
Wed, 13 May - Sun, 7 Jun
Multiple Airlines Logo
14:10 - 20:30
SYD
-
BHD
39h 20m
2 stops
Multiple Airlines Logo
14:20 - 19:25
BHD
-
SYD
44h 05m
2 stops
£763Multiple Airlines
Wed, 13 May - Sun, 7 Jun
Multiple Airlines Logo
21:05 - 20:15
SYD
-
BFS
32h 10m
3 stops
Multiple Airlines Logo
20:50 - 19:10
BFS
-
SYD
37h 20m
3 stops
£912Multiple Airlines
Wed, 13 May - Sun, 7 Jun
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
£955British Airways
Wed, 13 May - Sun, 7 Jun
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
£956British Airways
Wed, 13 May - Sun, 7 Jun
British Airways Logo
14:35 - 12:00
SYD
-
BHD
30h 25m
2 stops
British Airways Logo
20:10 - 06:05
BHD
-
SYD
48h 55m
2 stops
£957British Airways
Wed, 6 May - Sun, 10 May
British Airways Logo
14:35 - 08:50
SYD
-
BHD
27h 15m
2 stops
British Airways Logo
19:10 - 06:05
BHD
-
SYD
49h 55m
2 stops
£958British Airways
Wed, 6 May - Sun, 10 May
British Airways Logo
10:10 - 14:35
SYD
-
BHD
37h 25m
2 stops
British Airways Logo
06:30 - 11:45
BHD
-
SYD
44h 15m
2 stops
£1,002British Airways
Sun, 24 May - Wed, 24 Jun
British Airways Logo
10:10 - 20:35
SYD
-
BHD
43h 25m
2 stops
British Airways Logo
10:05 - 11:45
BHD
-
SYD
40h 40m
2 stops
£1,003British Airways
Sun, 24 May - Wed, 24 Jun
British Airways Logo
21:55 - 09:00
SYD
-
BHD
44h 05m
2 stops
British Airways Logo
20:25 - 06:45
BHD
-
SYD
49h 20m
2 stops
£1,033British Airways
Mon, 1 Jun - Tue, 30 Jun

American Airlines flights from Sydney to Belfast

Our best American Airlines deals on Sydney to Belfast flight tickets
American Airlines
6 May
SYD09:10Sydney Kingsford Smith
37h 25m
2 stops
BHD13:35Belfast City
10 May
BHD11:00Belfast City
36h 20m
3 stops
SYD08:20Sydney Kingsford Smith
£2,198
American Airlines
6 May
SYD09:10Sydney Kingsford Smith
37h 25m
2 stops
BHD13:35Belfast City
10 May
BHD11:00Belfast City
36h 20m
3 stops
SYD08:20Sydney Kingsford Smith
£2,201
American Airlines
6 May
SYD09:10Sydney Kingsford Smith
37h 25m
2 stops
BHD13:35Belfast City
10 May
BHD11:00Belfast City
36h 20m
3 stops
SYD08:20Sydney Kingsford Smith
£2,201

British Airways flights from Sydney to Belfast

Our best British Airways deals on Sydney to Belfast flight tickets
British Airways
13 May
SYD10:10Sydney Kingsford Smith
34h 50m
2 stops
BHD12:00Belfast City
7 Jun
BHD19:10Belfast City
49h 55m
2 stops
SYD06:05Sydney Kingsford Smith
£955
British Airways
13 May
SYD10:10Sydney Kingsford Smith
31h 40m
2 stops
BHD08:50Belfast City
7 Jun
BHD20:10Belfast City
48h 55m
2 stops
SYD06:05Sydney Kingsford Smith
£956
British Airways
6 May
SYD14:35Sydney Kingsford Smith
30h 25m
2 stops
BHD12:00Belfast City
10 May
BHD20:10Belfast City
48h 55m
2 stops
SYD06:05Sydney Kingsford Smith
£957

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 279,928 searches. Data last updated 1 March 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 13/5

14:10-20:40

2 stops39h 30m

Belfast Intl

Sun 7/6

20:50-19:25

2 stops37h 35m

£745

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

14:10-20:30

2 stops39h 20m

Belfast City

Sun 7/6

14:20-19:25

2 stops44h 05m

£763

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 13/5

21:05-20:15

3 stops32h 10m

Belfast Intl

Sun 7/6

20:50-19:10

3 stops37h 20m

£912

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

£955

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

£956

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

14:35-12:00

2 stops30h 25m

Belfast City

Sun 10/5

20:10-06:05

2 stops48h 55m

£957

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

14:35-08:50

2 stops27h 15m

Belfast City

Sun 10/5

19:10-06:05

2 stops49h 55m

£958

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 24/5

10:10-14:35

2 stops37h 25m

Belfast City

Wed 24/6

06:30-11:45

2 stops44h 15m

£1,002

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 24/5

10:10-20:35

2 stops43h 25m

Belfast City

Wed 24/6

10:05-11:45

2 stops40h 40m

£1,003

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Mon 1/6

21:55-09:00

2 stops44h 05m

Belfast City

Tue 30/6

20:25-06:45

2 stops49h 20m

£1,033

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 10621.7 mi. 29h 00m is a normal flight duration for this route.

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

    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 Sydney Kingsford Smith Airport to Belfast.

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

    The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Sydney from Belfast. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

Finding the right flight to Belfast from Sydney is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

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

Flights from Sydney to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Sydney.

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

Of course. momondo tracks the price of Sydney to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport