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Look for other cheap flights to Belfast Intl

$1,214 Cheap flights to Belfast Intl Airport

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Australia to Belfast Intl Airport

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:00 - 19:20SYD  Sydney Kingsford Smith-BFS Belfast Intl
41h 20m2 stops Shanghai Pu Dong London Gatwick
Multiple Airlines Logo
06:25 - 13:35BFS  Belfast Intl-SYD Sydney Kingsford Smith
44h 10m2 stops London Gatwick Shanghai Pu Dong
$1,584Multiple Airlines
Thu, 22 Oct - Wed, 28 Oct
Multiple Airlines Logo
11:10 - 10:40BNE  Brisbane-BFS Belfast Intl
33h 30m2 stops Shanghai Pu Dong London Gatwick
Multiple Airlines Logo
10:15 - 09:00BFS  Belfast Intl-BNE Brisbane
36h 45m2 stops London Gatwick Shanghai Pu Dong
$1,755Multiple Airlines
Mon, 2 Nov - Mon, 16 Nov
Multiple Airlines Logo
15:15 - 09:55SYD  Sydney Kingsford Smith-BFS Belfast Intl
28h 40m2 stops Guangzhou Baiyun London Gatwick
Multiple Airlines Logo
06:25 - 20:20BFS  Belfast Intl-SYD Sydney Kingsford Smith
26h 55m2 stops London Gatwick Guangzhou Baiyun
$2,183Multiple Airlines
Thu, 22 Oct - Wed, 28 Oct
Multiple Airlines Logo
18:20 - 11:20MEL  Melbourne-BFS Belfast Intl
28h 00m2 stops Abu Dhabi Zayed Intl Manchester
Multiple Airlines Logo
17:30 - 06:25BFS  Belfast Intl-MEL Melbourne
25h 55m2 stops Edinburgh Turnhouse Dubai Intl
$2,485Multiple Airlines
Sun, 25 Oct - Sun, 1 Nov
Multiple Airlines Logo
15:05 - 14:00SYD  Sydney Kingsford Smith-BFS Belfast Intl
32h 55m2 stops Perth Rome Fiumicino
Multiple Airlines Logo
14:15 - 19:25BFS  Belfast Intl-SYD Sydney Kingsford Smith
42h 10m3 stops Antalya Istanbul Singapore Changi
$3,454Multiple Airlines
Thu, 22 Oct - Wed, 28 Oct
Multiple Airlines Logo
15:05 - 14:00SYD  Sydney Kingsford Smith-BFS Belfast Intl
32h 55m2 stops Perth Rome Fiumicino
Multiple Airlines Logo
14:15 - 19:25BFS  Belfast Intl-SYD Sydney Kingsford Smith
42h 10m3 stops Antalya Istanbul Singapore Changi
$3,462Multiple Airlines
Thu, 22 Oct - Wed, 28 Oct

momondo Fare Finder

 
Use the filters below to find and compare flights to Belfast Intl Airport 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 22/10

12:00-19:20

2 stops41h 20m

Belfast Intl

Wed 28/10

06:25-13:35

2 stops44h 10m

$1,584

BrisbaneBelfast

BNE Brisbane - BFS Belfast Intl

BNEBFS

Brisbane

Mon 2/11

11:10-10:40

2 stops33h 30m

Belfast Intl

Mon 16/11

10:15-09:00

2 stops36h 45m

$1,755

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Thu 22/10

15:15-09:55

2 stops28h 40m

Belfast Intl

Wed 28/10

06:25-20:20

2 stops26h 55m

$2,183
Fastest return journey

MelbourneBelfast

MEL Melbourne - BFS Belfast Intl

MELBFS

Melbourne

Sun 25/10

18:20-11:20

2 stops28h 00m

Belfast Intl

Sun 1/11

17:30-06:25

2 stops25h 55m

$2,485

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Thu 22/10

15:05-14:00

2 stops32h 55m

Belfast Intl

Wed 28/10

14:15-19:25

3 stops42h 10m

$3,454

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Thu 22/10

15:05-14:00

2 stops32h 55m

Belfast Intl

Wed 28/10

14:15-19:25

3 stops42h 10m

$3,462
Cheapest one-way

MelbourneBelfast

MEL Melbourne - BFS Belfast Intl

MELBFS

Melbourne

Fri 18/12

21:40-20:15

3 stops57h 35m

$1,214

MelbourneBelfast

MEL Melbourne - BFS Belfast Intl

MELBFS

Melbourne

Sat 19/12

21:40-20:35

3 stops57h 55m

$1,223

MelbourneBelfast

MEL Melbourne - BFS Belfast Intl

MELBFS

Melbourne

Thu 17/12

01:30-22:10

2 stops55h 40m

$1,617
Fastest single journey

MelbourneBelfast

MEL Melbourne - BFS Belfast Intl

MELBFS

Melbourne

Sat 19/12

22:15-09:10

2 stops45h 55m

$1,892

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Belfast Intl Airport from

Flights to Belfast Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Belfast Intl Airport to help you craft the best travel plan.

How long does it take to fly to Belfast Intl Airport?

Flight times from Australia to Belfast Intl Airport vary, but if you’re flying out of Sydney Kingsford Smith and flying into Belfast Intl (one of the most popular routes), then the duration is 32h on average. Another popular route from Australia to Belfast Intl Airport is flying from Melbourne to Belfast Intl, which will take roughly 28h. Keep in mind that layovers or delays could extend your travel time.

Cheap Belfast Intl Airport flight deals and tips

Summary info about Belfast Intl Airport flight prices, duration and airlines

Best One-Way Price

$1,214

Best Round-Trip Price

$1,584

Fastest flight time

57h 35m
The best one-way flight price to Belfast from Australia in the last 5 days is $1,214 (Melbourne to Belfast Intl).
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The best return flight price to Belfast from Australia in the last 5 days is $1,584 (Sydney Kingsford Smith to Belfast Intl).
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The fastest flight to Belfast from Australia takes 57h 35m (Melbourne to Belfast Intl).
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Frequently asked questions about flying to Belfast Intl Airport

Is there an alternative airport near Belfast Intl Airport?

Finding an alternative and possibly cheaper destination airport near Belfast Intl Airport is possible. If you are planning a flight to Belfast Intl Airport, consider booking flights to Belfast City Airport (4 km from Belfast city centre), Londonderry Eglinton Airport (93 km from Belfast city centre), Campbeltown Machrihanish Airport (95 km from Belfast city centre), Isle of Islay Glenegedale Airport (122 km from Belfast city centre) or Glasgow Prestwick Airport (132 km from Belfast city centre).

Is there a cheaper alternative to flying into Belfast?

You can find deals at Belfast City Airport for $248 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Belfast Intl Airport?

Prices for flights to Belfast Intl Airport are updated daily.

How many operators does momondo search for flights to Belfast Intl Airport?

The number of operators available for flights to Belfast Intl Airport is 1 as of September 2026.

How old do you have to be to fly to Belfast Intl Airport?

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 Intl Airport.

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

The travel and health documents required for your trip to Belfast Intl Airport 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 Intl Airport. 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?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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 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 filter your options to help you make an informed choice when booking flights to Belfast.

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

Yes. momondo can track flight prices for Belfast and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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