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Look for other cheap flights to Belfast Intl

$1,093 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 30/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
20:30 - 22:25
SYD
-
BFS
34h 55m
2 stops
Multiple Airlines Logo
06:15 - 09:00
BFS
-
SYD
41h 45m
2 stops
$2,115Multiple Airlines
Mon, 22 Jun - Tue, 30 Jun
Multiple Airlines Logo
20:30 - 07:30
SYD
-
BFS
44h 00m
2 stops
Multiple Airlines Logo
20:55 - 09:00
BFS
-
SYD
51h 05m
2 stops
$2,116Multiple Airlines
Mon, 8 Jun - Mon, 29 Jun
Multiple Airlines Logo
20:30 - 19:40
SYD
-
BFS
32h 10m
2 stops
Multiple Airlines Logo
06:10 - 12:35
BFS
-
SYD
45h 25m
2 stops
$2,404Multiple Airlines
Wed, 24 Jun - Wed, 1 Jul
Multiple Airlines Logo
11:00 - 07:30
SYD
-
BFS
53h 30m
2 stops
Multiple Airlines Logo
13:35 - 16:00
BFS
-
SYD
41h 25m
2 stops
$3,299Multiple Airlines
Mon, 22 Jun - Tue, 30 Jun
Multiple Airlines Logo
14:10 - 09:55
SYD
-
BFS
28h 45m
2 stops
Multiple Airlines Logo
06:10 - 19:25
BFS
-
SYD
28h 15m
2 stops
$3,510Multiple Airlines
Thu, 25 Jun - Thu, 2 Jul
Multiple Airlines Logo
14:00 - 19:05
SYD
-
BFS
38h 05m
2 stops
Multiple Airlines Logo
20:15 - 19:10
BFS
-
SYD
37h 55m
3 stops
$4,664Multiple Airlines
Mon, 8 Jun - Mon, 29 Jun

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 May 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

Mon 22/6

20:30-22:25

2 stops34h 55m

Belfast Intl

Tue 30/6

06:15-09:00

2 stops41h 45m

$2,115

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Mon 8/6

20:30-07:30

2 stops44h 00m

Belfast Intl

Mon 29/6

20:55-09:00

2 stops51h 05m

$2,116

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 24/6

20:30-19:40

2 stops32h 10m

Belfast Intl

Wed 1/7

06:10-12:35

2 stops45h 25m

$2,404

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Mon 22/6

11:00-07:30

2 stops53h 30m

Belfast Intl

Tue 30/6

13:35-16:00

2 stops41h 25m

$3,299
Fastest return journey

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 25/6

14:10-09:55

2 stops28h 45m

Belfast Intl

Thu 2/7

06:10-19:25

2 stops28h 15m

$3,510

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Mon 8/6

14:00-19:05

2 stops38h 05m

Belfast Intl

Mon 29/6

20:15-19:10

3 stops37h 55m

$4,664
Cheapest one-way

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Tue 30/6

22:15-15:20

3 stops50h 05m

$1,093

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Tue 15/9

13:00-15:20

3 stops59h 20m

$1,120
Fastest single journey

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Tue 15/9

10:15-10:40

2 stops33h 25m

$1,221

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Tue 30/6

11:10-00:05

2 stops45h 55m

$1,293

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.

What is the cheapest month to fly to Belfast Intl Airport?

In general, March is the cheapest month to fly from Australia to Belfast Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of March, then book flights to Belfast Intl Airport from Australia during January instead. Flights to Belfast Intl Airport in January, while not as cheap as those in March, still average around $0.

Cheap Belfast Intl Airport flight deals and tips

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

Best One-Way Price

$1,093

Best Round-Trip Price

$2,115

Fastest flight time

50h 05m
The best one-way flight price to Belfast from Australia in the last 72 hours is $1,093 (Brisbane to Belfast Intl).
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The best round-trip flight price to Belfast from Australia in the last 72 hours is $2,115 (Sydney Kingsford Smith to Belfast Intl).
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The fastest flight to Belfast from Australia takes 50h 05m (Brisbane to Belfast Intl).
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Frequently asked questions about flying to Belfast Intl Airport

What is the cheapest month to fly to Belfast Intl Airport?

In general, when looking for the cheapest flight to Belfast Intl Airport, try to choose a flight departing in April for the best deal.

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 $136 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 May 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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