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Look for other cheap flights to Belfast Intl

$834 Cheap flights to Belfast Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Belfast Intl Airport departing on 17/10. 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

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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
11:00 - 22:25
SYD
-
BFS
44h 25m
2 stops
Multiple Airlines Logo
06:15 - 09:00
BFS
-
SYD
41h 45m
2 stops
$1,751Multiple Airlines
Tue, 4 Aug - Tue, 25 Aug
Multiple Airlines Logo
11:00 - 22:40
SYD
-
BFS
44h 40m
2 stops
Multiple Airlines Logo
06:20 - 09:00
BFS
-
SYD
41h 40m
2 stops
$1,835Multiple Airlines
Sat, 8 Aug - Sat, 15 Aug
Multiple Airlines Logo
11:00 - 09:55
MEL
-
BFS
31h 55m
2 stops
Multiple Airlines Logo
13:25 - 09:35
BFS
-
MEL
35h 10m
2 stops
$1,889Multiple Airlines
Mon, 17 Aug - Sun, 23 Aug
Multiple Airlines Logo
10:20 - 09:55
MEL
-
BFS
32h 35m
2 stops
Multiple Airlines Logo
13:25 - 09:35
BFS
-
MEL
35h 10m
2 stops
$1,914Multiple Airlines
Thu, 27 Aug - Sun, 30 Aug
Multiple Airlines Logo
21:45 - 22:25
SYD
-
BFS
33h 40m
2 stops
Multiple Airlines Logo
06:15 - 19:25
BFS
-
SYD
28h 10m
2 stops
$2,001Multiple Airlines
Tue, 4 Aug - Tue, 25 Aug
Multiple Airlines Logo
21:45 - 22:25
SYD
-
BFS
33h 40m
2 stops
Multiple Airlines Logo
06:15 - 19:25
BFS
-
SYD
28h 10m
2 stops
$2,007Multiple Airlines
Tue, 4 Aug - Tue, 25 Aug
Multiple Airlines Logo
11:00 - 09:55
MEL
-
BFS
31h 55m
2 stops
Multiple Airlines Logo
13:25 - 09:35
BFS
-
MEL
35h 10m
2 stops
$2,012Multiple Airlines
Mon, 10 Aug - Sun, 16 Aug
Multiple Airlines Logo
11:15 - 19:20
BNE
-
BFS
41h 05m
2 stops
Multiple Airlines Logo
08:20 - 09:00
BFS
-
BNE
39h 40m
2 stops
$2,055Multiple Airlines
Thu, 27 Aug - Thu, 3 Sep
Multiple Airlines Logo
11:05 - 07:30
BNE
-
BFS
53h 25m
2 stops
Multiple Airlines Logo
06:10 - 09:00
BFS
-
BNE
41h 50m
2 stops
$2,060Multiple Airlines
Mon, 10 Aug - Mon, 17 Aug
Multiple Airlines Logo
11:05 - 22:40
BNE
-
BFS
44h 35m
2 stops
Multiple Airlines Logo
06:10 - 09:00
BFS
-
BNE
41h 50m
2 stops
$2,155Multiple Airlines
Sat, 1 Aug - Mon, 31 Aug

momondo Fare Finder

 
Locate flights to Belfast Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 15 July 2026.
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 - BFS

SYDBFS

Sydney Kingsford Smith

Tue 4/8

11:00-22:25

2 stops44h 25m

Belfast Intl

Tue 25/8

06:15-09:00

2 stops41h 45m

$1,751

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sat 8/8

11:00-22:40

2 stops44h 40m

Belfast Intl

Sat 15/8

06:20-09:00

2 stops41h 40m

$1,835

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Mon 17/8

11:00-09:55

2 stops31h 55m

Belfast Intl

Sun 23/8

13:25-09:35

2 stops35h 10m

$1,889

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Thu 27/8

10:20-09:55

2 stops32h 35m

Belfast Intl

Sun 30/8

13:25-09:35

2 stops35h 10m

$1,914
Fastest return journey

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Tue 4/8

21:45-22:25

2 stops33h 40m

Belfast Intl

Tue 25/8

06:15-19:25

2 stops28h 10m

$2,001

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Tue 4/8

21:45-22:25

2 stops33h 40m

Belfast Intl

Tue 25/8

06:15-19:25

2 stops28h 10m

$2,007

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Mon 10/8

11:00-09:55

2 stops31h 55m

Belfast Intl

Sun 16/8

13:25-09:35

2 stops35h 10m

$2,012

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Thu 27/8

11:15-19:20

2 stops41h 05m

Belfast Intl

Thu 3/9

08:20-09:00

2 stops39h 40m

$2,055

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Mon 10/8

11:05-07:30

2 stops53h 25m

Belfast Intl

Mon 17/8

06:10-09:00

2 stops41h 50m

$2,060

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Sat 1/8

11:05-22:40

2 stops44h 35m

Belfast Intl

Mon 31/8

06:10-09:00

2 stops41h 50m

$2,155

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 28h 30m on average. Another popular route from Australia to Belfast Intl Airport is flying from Melbourne to Belfast Intl, which will take roughly 27h 50m. 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

$834

Best Round-Trip Price

$1,751

Fastest flight time

41h 35m
The best one-way flight price to Belfast from Australia in the last 5 days is $834 (Sydney Kingsford Smith to Belfast Intl).
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The best return flight price to Belfast from Australia in the last 5 days is $1,751 (Sydney Kingsford Smith to Belfast Intl).
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The fastest flight to Belfast from Australia takes 41h 35m (Brisbane 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 $206 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 July 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.

An easier way to manage your Belfast Intl trip

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