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Look for other cheap flights to Belfast Intl

$809 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 31/5. 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
20:50 - 21:00
SYD
-
BFS
33h 10m
2 stops
Multiple Airlines Logo
17:05 - 06:10
BFS
-
SYD
28h 05m
2 stops
$1,750Multiple Airlines
Fri, 15 May - Fri, 22 May
Multiple Airlines Logo
17:20 - 11:55
MEL
-
BFS
27h 35m
2 stops
Multiple Airlines Logo
20:50 - 15:50
BFS
-
MEL
34h 00m
2 stops
$1,776Multiple Airlines
Fri, 15 May - Fri, 22 May
Multiple Airlines Logo
06:15 - 22:40
MEL
-
BFS
49h 25m
3 stops
Multiple Airlines Logo
06:10 - 23:15
BFS
-
MEL
32h 05m
3 stops
$1,786Multiple Airlines
Sat, 1 Aug - Thu, 17 Sep
Multiple Airlines Logo
17:20 - 19:35
MEL
-
BFS
35h 15m
2 stops
Multiple Airlines Logo
06:15 - 15:50
BFS
-
MEL
24h 35m
2 stops
$2,011Multiple Airlines
Wed, 13 May - Wed, 20 May
Multiple Airlines Logo
17:20 - 09:35
MEL
-
BFS
25h 15m
2 stops
Multiple Airlines Logo
06:10 - 23:15
BFS
-
MEL
32h 05m
3 stops
$2,085Multiple Airlines
Sat, 1 Aug - Thu, 17 Sep
Multiple Airlines Logo
15:40 - 15:20
SYD
-
BFS
32h 40m
2 stops
Multiple Airlines Logo
06:15 - 16:50
BFS
-
SYD
25h 35m
2 stops
$2,151Multiple Airlines
Wed, 13 May - Wed, 20 May
Multiple Airlines Logo
21:30 - 18:30
MEL
-
BFS
30h 00m
2 stops
Multiple Airlines Logo
13:00 - 09:00
BFS
-
MEL
35h 00m
2 stops
$2,174Multiple Airlines
Sat, 1 Aug - Thu, 17 Sep
Multiple Airlines Logo
17:20 - 10:00
MEL
-
BFS
25h 40m
2 stops
Multiple Airlines Logo
06:15 - 23:15
BFS
-
MEL
32h 00m
3 stops
$2,222Multiple Airlines
Mon, 8 Jun - Tue, 11 Aug
Multiple Airlines Logo
22:10 - 19:30
BNE
-
BFS
30h 20m
2 stops
Multiple Airlines Logo
06:10 - 21:10
BFS
-
BNE
30h 00m
2 stops
$2,231Multiple Airlines
Thu, 14 May - Thu, 21 May
Multiple Airlines Logo
15:45 - 09:55
MEL
-
BFS
27h 10m
2 stops
Multiple Airlines Logo
20:10 - 16:50
BFS
-
MEL
35h 40m
2 stops
$2,236Multiple Airlines
Thu, 14 May - Thu, 21 May

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 2 April 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

Fri 15/5

20:50-21:00

2 stops33h 10m

Belfast Intl

Fri 22/5

17:05-06:10

2 stops28h 05m

$1,750

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Fri 15/5

17:20-11:55

2 stops27h 35m

Belfast Intl

Fri 22/5

20:50-15:50

2 stops34h 00m

$1,776

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Sat 1/8

06:15-22:40

3 stops49h 25m

Belfast Intl

Thu 17/9

06:10-23:15

3 stops32h 05m

$1,786

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 13/5

17:20-19:35

2 stops35h 15m

Belfast Intl

Wed 20/5

06:15-15:50

2 stops24h 35m

$2,011
Fastest return journey

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Sat 1/8

17:20-09:35

2 stops25h 15m

Belfast Intl

Thu 17/9

06:10-23:15

3 stops32h 05m

$2,085

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 13/5

15:40-15:20

2 stops32h 40m

Belfast Intl

Wed 20/5

06:15-16:50

2 stops25h 35m

$2,151

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Sat 1/8

21:30-18:30

2 stops30h 00m

Belfast Intl

Thu 17/9

13:00-09:00

2 stops35h 00m

$2,174

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Mon 8/6

17:20-10:00

2 stops25h 40m

Belfast Intl

Tue 11/8

06:15-23:15

3 stops32h 00m

$2,222

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Thu 14/5

22:10-19:30

2 stops30h 20m

Belfast Intl

Thu 21/5

06:10-21:10

2 stops30h 00m

$2,231

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Thu 14/5

15:45-09:55

2 stops27h 10m

Belfast Intl

Thu 21/5

20:10-16:50

2 stops35h 40m

$2,236

Flights are sorted by cheapest return flights first.

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

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 34h 40m on average. Another popular route from Australia to Belfast Intl Airport is flying from Melbourne to Belfast Intl, which will take roughly 31h 05m. Keep in mind that layovers or delays could extend your travel time.

Cheapest flights to Belfast Intl

Find the cheapest flights to Belfast Intl from your nearest city or airport
Find flights from Sydney to Belfast Intl Airport
CHEAPEST MONTH TO FLY TO BELFAST INTL AIRPORT FROM SYDNEYOctober13% cheaperFlying from Sydney to Belfast Intl Airport costs on average just $1,840 in October
MOST EXPENSIVE MONTH TO FLY TO BELFAST INTL AIRPORT FROM SYDNEYJuly63% more expensiveIt costs about $3,456 for flights to Belfast Intl Airport from Sydney in July
MOST POPULAR MONTH TO FLY TO BELFAST INTL AIRPORT FROM SYDNEYDecember375% more users visitedMore momondo users searched in flights to Belfast Intl Airport from Sydney in December than any other month

Cheap Belfast Intl Airport flight deals and tips

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

Best One-Way Price

$809

Best Round-Trip Price

$1,750

Fastest flight time

31h 10m

Popular in

July
The best one-way flight price to Belfast from Australia in the last 72 hours is $809 (Melbourne to Belfast Intl).
Search Deals
The best round-trip flight price to Belfast from Australia in the last 72 hours is $1,750 (Sydney Kingsford Smith to Belfast Intl).
Search Deals
The fastest flight to Belfast from Australia takes 31h 10m (Sydney Kingsford Smith to Belfast Intl).
Search Deals
July has the highest demand for flights to Belfast, with a 3% price increase on average.
Search Deals

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 October 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 $229 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 3 as of April 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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