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$1,674 Cheap flights to Belfast

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Belfast

Cheap return flights

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Multiple Airlines Logo
11:00 - 19:20SYD  Sydney Kingsford Smith-BFS Belfast Intl
41h 20m2 stops Shanghai Pu Dong London Gatwick
Multiple Airlines Logo
14:40 - 09:00BFS  Belfast Intl-SYD Sydney Kingsford Smith
33h 20m2 stops London Gatwick Shanghai Pu Dong
$1,674Multiple Airlines
Thu, 3 Sep - Sun, 6 Sep
Multiple Airlines Logo
11:00 - 19:20SYD  Sydney Kingsford Smith-BFS Belfast Intl
41h 20m2 stops Shanghai Pu Dong London Gatwick
Multiple Airlines Logo
06:10 - 10:00BFS  Belfast Intl-SYD Sydney Kingsford Smith
41h 50m2 stops London Gatwick Shanghai Pu Dong
$1,723Multiple Airlines
Thu, 1 Oct - Thu, 8 Oct
Multiple Airlines Logo
11:00 - 22:40SYD  Sydney Kingsford Smith-BFS Belfast Intl
44h 40m2 stops Shanghai Pu Dong London Gatwick
Multiple Airlines Logo
06:20 - 09:00BFS  Belfast Intl-SYD Sydney Kingsford Smith
41h 40m2 stops London Gatwick Shanghai Pu Dong
$1,896Multiple Airlines
Sat, 5 Sep - Sat, 19 Sep
British Airways Logo
16:20 - 10:05SYD  Sydney Kingsford Smith-BHD Belfast City
28h 45m2 stops Singapore Changi London Heathrow
British Airways Logo
20:30 - 06:55BHD  Belfast City-SYD Sydney Kingsford Smith
47h 25m2 stops London Heathrow Singapore Changi
$1,913British Airways
Wed, 11 Nov - Sun, 15 Nov
British Airways Logo
16:20 - 10:55SYD  Sydney Kingsford Smith-BHD Belfast City
29h 35m2 stops Singapore Changi London Heathrow
British Airways Logo
11:40 - 06:55BHD  Belfast City-SYD Sydney Kingsford Smith
32h 15m2 stops London Heathrow Singapore Changi
$1,913British Airways
Thu, 12 Nov - Mon, 16 Nov
British Airways Logo
16:20 - 10:55SYD  Sydney Kingsford Smith-BHD Belfast City
29h 35m2 stops Singapore Changi London Heathrow
British Airways Logo
11:40 - 06:55BHD  Belfast City-SYD Sydney Kingsford Smith
32h 15m2 stops London Heathrow Singapore Changi
$1,918British Airways
Thu, 12 Nov - Mon, 16 Nov
British Airways Logo
16:20 - 10:05SYD  Sydney Kingsford Smith-BHD Belfast City
28h 45m2 stops Singapore Changi London Heathrow
British Airways Logo
20:30 - 06:55BHD  Belfast City-SYD Sydney Kingsford Smith
47h 25m2 stops London Heathrow Singapore Changi
$1,918British Airways
Wed, 11 Nov - Sun, 15 Nov
British Airways Logo
16:20 - 10:55SYD  Sydney Kingsford Smith-BHD Belfast City
29h 35m2 stops Singapore Changi London Heathrow
British Airways Logo
11:40 - 06:55BHD  Belfast City-SYD Sydney Kingsford Smith
32h 15m2 stops London Heathrow Singapore Changi
$1,921British Airways
Thu, 12 Nov - Mon, 16 Nov
British Airways Logo
16:20 - 10:05SYD  Sydney Kingsford Smith-BHD Belfast City
28h 45m2 stops Singapore Changi London Heathrow
British Airways Logo
20:30 - 06:55BHD  Belfast City-SYD Sydney Kingsford Smith
47h 25m2 stops London Heathrow Singapore Changi
$1,921British Airways
Wed, 11 Nov - Sun, 15 Nov
British Airways Logo
16:20 - 10:05SYD  Sydney Kingsford Smith-BHD Belfast City
28h 45m2 stops Singapore Changi London Heathrow
British Airways Logo
20:30 - 06:55BHD  Belfast City-SYD Sydney Kingsford Smith
47h 25m2 stops London Heathrow Singapore Changi
$1,927British Airways
Wed, 11 Nov - Sun, 15 Nov

momondo Fare Finder

 
Use the filters below to find and compare flights to Belfast that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Thu 3/9

11:00-19:20

2 stops41h 20m

Belfast Intl

Sun 6/9

14:40-09:00

2 stops33h 20m

$1,674

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Thu 1/10

11:00-19:20

2 stops41h 20m

Belfast Intl

Thu 8/10

06:10-10:00

2 stops41h 50m

$1,723

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Sat 5/9

11:00-22:40

2 stops44h 40m

Belfast Intl

Sat 19/9

06:20-09:00

2 stops41h 40m

$1,896

SydneyBelfast

SYD Sydney Kingsford Smith - BHD Belfast City

SYDBHD

Sydney Kingsford Smith

Wed 11/11

16:20-10:05

2 stops28h 45m

Belfast City

Sun 15/11

20:30-06:55

2 stops47h 25m

$1,913
Fastest return journey

SydneyBelfast

SYD Sydney Kingsford Smith - BHD Belfast City

SYDBHD

Sydney Kingsford Smith

Thu 12/11

16:20-10:55

2 stops29h 35m

Belfast City

Mon 16/11

11:40-06:55

2 stops32h 15m

$1,913

SydneyBelfast

SYD Sydney Kingsford Smith - BHD Belfast City

SYDBHD

Sydney Kingsford Smith

Thu 12/11

16:20-10:55

2 stops29h 35m

Belfast City

Mon 16/11

11:40-06:55

2 stops32h 15m

$1,918

SydneyBelfast

SYD Sydney Kingsford Smith - BHD Belfast City

SYDBHD

Sydney Kingsford Smith

Wed 11/11

16:20-10:05

2 stops28h 45m

Belfast City

Sun 15/11

20:30-06:55

2 stops47h 25m

$1,918

SydneyBelfast

SYD Sydney Kingsford Smith - BHD Belfast City

SYDBHD

Sydney Kingsford Smith

Thu 12/11

16:20-10:55

2 stops29h 35m

Belfast City

Mon 16/11

11:40-06:55

2 stops32h 15m

$1,921

SydneyBelfast

SYD Sydney Kingsford Smith - BHD Belfast City

SYDBHD

Sydney Kingsford Smith

Wed 11/11

16:20-10:05

2 stops28h 45m

Belfast City

Sun 15/11

20:30-06:55

2 stops47h 25m

$1,921

SydneyBelfast

SYD Sydney Kingsford Smith - BHD Belfast City

SYDBHD

Sydney Kingsford Smith

Wed 11/11

16:20-10:05

2 stops28h 45m

Belfast City

Sun 15/11

20:30-06:55

2 stops47h 25m

$1,927

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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Belfast flights insights and trends

Explore insights for your Belfast flight to craft the best travel plan

How long does it take to fly to Belfast?

The flight from Australia to Belfast depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Sydney Kingsford Smith (a popular airport in Australia) to Belfast Intl (the most popular airport in Belfast), then the flight time is 29h 35m on average. If you fly from Melbourne (another popular airport in Australia) to Belfast Intl, then the average flight time is 35h 40m.

Cheapest flights to Belfast

Find the cheapest flights to Belfast from your nearest city or airport

Cheap Belfast flight deals and tips

Summary info about Belfast flight prices, duration and airlines

Best Round-Trip Price

$1,674

Fastest flight time

28h 45m
The best return flight price to Belfast from Australia in the last 5 days is $1,674 (Sydney Kingsford Smith to Belfast Intl).
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The fastest flight to Belfast from Australia takes 28h 45m (Sydney Kingsford Smith to Belfast City).
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Frequently asked questions about flying to Belfast

Is there an alternative airport near Belfast?

Belfast City Airport, Londonderry Eglinton Airport, Campbeltown Machrihanish Airport, Isle of Islay Glenegedale Airport or Glasgow Prestwick Airport can be an alternative airport used for travel to Belfast.

Is there a cheaper alternative to flying into Belfast?

You can find deals at Belfast City Airport for $182 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

Are there flights to City Centre?

Yes, you can get a flight to Belfast City airport in Belfast (4.4 km from City Centre).

What’s the closest airport to Victoria Square?

The closest airport to Victoria Square is 4.0 km away - Belfast’s Belfast City airport.

When did momondo last update prices for flights to Belfast?

Prices for flights to Belfast are updated daily.

How many operators does momondo search for flights to Belfast?

The number of operators available for flights to Belfast is 1 as of August 2026.

How old do you have to be to fly 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 to Belfast.

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

The travel and health documents required for your trip to Belfast can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Belfast. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Belfast. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for flights to Belfast to just show those with flexible booking policies.

How can momondo help me find flights to Belfast?

Once you have performed a search for flights to Belfast, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert; this is where momondo will track prices on flights to Belfast and let you know when they change.

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Find better results for your trip to Belfast

Popular Flights to Belfast

Melbourne to Belfast Flightsfrom $1,470
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