Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Sydney to Belfast from £382

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 26/10. 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

Find the cheapest flights from Sydney to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 - 19:20-
41h 20m
Multiple Airlines Logo
06:10 - 09:00-
41h 50m
£992Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep
British Airways Logo
16:20 - 08:15-
26h 55m
British Airways Logo
15:10 - 06:55-
28h 45m
£1,007British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
16:20 - 08:15-
26h 55m
British Airways Logo
15:10 - 06:55-
28h 45m
£1,010British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
16:20 - 08:15-
26h 55m
British Airways Logo
15:10 - 06:55-
28h 45m
£1,010British Airways
Wed, 4 Nov - Sun, 8 Nov
Multiple Airlines Logo
11:00 - 19:40-
41h 40m
Multiple Airlines Logo
14:20 - 09:00-
33h 40m
£1,039Multiple Airlines
Wed, 2 Sep - Wed, 30 Sep
Multiple Airlines Logo
20:30 - 19:40-
32h 10m
Multiple Airlines Logo
08:15 - 09:00-
39h 45m
£1,040Multiple Airlines
Wed, 2 Sep - Wed, 30 Sep
Multiple Airlines Logo
11:00 - 20:35-
42h 35m
Multiple Airlines Logo
06:10 - 09:00-
41h 50m
£1,041Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
11:00 - 19:20-
41h 20m
Multiple Airlines Logo
06:10 - 09:00-
41h 50m
£1,050Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep
British Airways Logo
11:15 - 08:15-
32h 00m
British Airways Logo
09:10 - 06:55-
34h 45m
£1,231British Airways
Wed, 4 Nov - Sun, 8 Nov
British Airways Logo
14:35 - 12:55-
31h 20m
British Airways Logo
09:40 - 06:05-
35h 25m
£1,287British Airways
Mon, 7 Sep - Mon, 28 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

KLM flights from Sydney to Belfast

Our best KLM deals on Sydney to Belfast flight tickets
KLM
7 Sept
SYD12:45Sydney Kingsford Smith
29h 35m
2 stops
BHD09:20Belfast City
28 Sept
BHD17:30Belfast City
31h 10m
3 stops
SYD09:40Sydney Kingsford Smith
£1,559
KLM
7 Sept
SYD12:45Sydney Kingsford Smith
29h 35m
2 stops
BHD09:20Belfast City
28 Sept
BHD09:50Belfast City
38h 50m
3 stops
SYD09:40Sydney Kingsford Smith
£1,609
KLM
7 Sept
SYD12:45Sydney Kingsford Smith
29h 35m
2 stops
BHD09:20Belfast City
28 Sept
BHD09:50Belfast City
38h 50m
3 stops
SYD09:40Sydney Kingsford Smith
£1,610

British Airways flights from Sydney to Belfast

Our best British Airways deals on Sydney to Belfast flight tickets
British Airways
4 Nov
SYD16:20Sydney Kingsford Smith
26h 55m
2 stops
BHD08:15Belfast City
8 Nov
BHD15:10Belfast City
28h 45m
2 stops
SYD06:55Sydney Kingsford Smith
£1,007
British Airways
4 Nov
SYD16:20Sydney Kingsford Smith
26h 55m
2 stops
BHD08:15Belfast City
8 Nov
BHD15:10Belfast City
28h 45m
2 stops
SYD06:55Sydney Kingsford Smith
£1,010
British Airways
4 Nov
SYD16:20Sydney Kingsford Smith
26h 55m
2 stops
BHD08:15Belfast City
8 Nov
BHD15:10Belfast City
28h 45m
2 stops
SYD06:55Sydney Kingsford Smith
£1,010

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 5 August 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

Cheapest return flight

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 10/9

11:00-19:20

2 stops41h 20m

Belfast Intl

Thu 17/9

06:10-09:00

2 stops41h 50m

£992
Fastest return journey

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/11

16:20-08:15

2 stops26h 55m

Belfast City

Sun 8/11

15:10-06:55

2 stops28h 45m

£1,007

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/11

16:20-08:15

2 stops26h 55m

Belfast City

Sun 8/11

15:10-06:55

2 stops28h 45m

£1,010

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/11

16:20-08:15

2 stops26h 55m

Belfast City

Sun 8/11

15:10-06:55

2 stops28h 45m

£1,010

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 2/9

11:00-19:40

2 stops41h 40m

Belfast City

Wed 30/9

14:20-09:00

2 stops33h 40m

£1,039

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 2/9

20:30-19:40

2 stops32h 10m

Belfast Intl

Wed 30/9

08:15-09:00

2 stops39h 45m

£1,040

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 10/9

11:00-20:35

2 stops42h 35m

Belfast Intl

Thu 17/9

06:10-09:00

2 stops41h 50m

£1,041

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 10/9

11:00-19:20

2 stops41h 20m

Belfast Intl

Thu 17/9

06:10-09:00

2 stops41h 50m

£1,050

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/11

11:15-08:15

2 stops32h 00m

Belfast City

Sun 8/11

09:10-06:55

2 stops34h 45m

£1,231

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Mon 7/9

14:35-12:55

2 stops31h 20m

Belfast City

Mon 28/9

09:40-06:05

2 stops35h 25m

£1,287

Flights are sorted by cheapest return flights first.

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

See travel insights to Belfast from

How to get the cheapest flight ticket from Sydney to Belfast

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 Sydney Kingsford Smith to Belfast?

British Airways is the most popular carrier operating from Sydney Kingsford Smith to Belfast

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 30m

Direct flights

None
The fastest flight from Sydney to Belfast takes 27h 30m
There are no direct flights from Sydney to Belfast. There are no popular flight routes from Sydney to Belfast.
Search flight deals

Frequently asked questions about flying from Sydney to Belfast

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

    A flight from Sydney Kingsford Smith to Belfast will travel around 10621.7 mi. 27h 30m 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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 4/9
Fri 11/9
By creating a price alert you accept our terms of use and privacy policy.

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