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Look for other cheap flights to Belfast

$1,684 Cheap flights to Belfast

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight to Belfast departing on 4/2. 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

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:05 - 22:50
SYD
-
BFS
37h 45m3 stops
Multiple Airlines Logo
14:50 - 18:50
BFS
-
SYD
41h 00m3 stops
$1,684Multiple Airlines
Wed, 4 Feb - Wed, 11 Feb
Multiple Airlines Logo
14:00 - 10:05
MEL
-
BFS
31h 05m2 stops
Multiple Airlines Logo
18:25 - 23:45
BFS
-
MEL
42h 20m3 stops
$1,720Multiple Airlines
Tue, 3 Feb - Tue, 10 Feb
Multiple Airlines Logo
14:00 - 22:50
MEL
-
BFS
43h 50m3 stops
Multiple Airlines Logo
14:50 - 20:50
BFS
-
MEL
43h 00m3 stops
$1,751Multiple Airlines
Wed, 4 Feb - Wed, 11 Feb
Multiple Airlines Logo
20:15 - 20:15
MEL
-
BFS
35h 00m3 stops
Multiple Airlines Logo
18:25 - 23:45
BFS
-
MEL
42h 20m3 stops
$1,769Multiple Airlines
Tue, 3 Feb - Tue, 10 Feb
Multiple Airlines Logo
14:00 - 17:35
MEL
-
BFS
38h 35m3 stops
Multiple Airlines Logo
10:10 - 10:05
BFS
-
MEL
36h 55m3 stops
$1,795Multiple Airlines
Thu, 5 Feb - Thu, 12 Feb
British Airways Logo
11:15 - 10:20
SYD
-
BHD
34h 05m2 stops
British Airways Logo
12:10 - 06:55
BHD
-
SYD
31h 45m2 stops
$1,994British Airways
Thu, 5 Mar - Sun, 8 Mar
British Airways Logo
10:10 - 13:30
SYD
-
BHD
36h 20m2 stops
British Airways Logo
20:05 - 06:05
BHD
-
SYD
49h 00m2 stops
$2,021British Airways
Wed, 13 May - Sun, 17 May
British Airways Logo
10:10 - 08:50
SYD
-
BHD
31h 40m2 stops
British Airways Logo
19:10 - 06:05
BHD
-
SYD
49h 55m2 stops
$2,023British Airways
Wed, 13 May - Sun, 17 May
British Airways Logo
10:15 - 08:50
MEL
-
BHD
31h 35m2 stops
British Airways Logo
06:40 - 08:10
BHD
-
MEL
40h 30m2 stops
$2,053British Airways
Mon, 11 May - Mon, 1 Jun
American Airlines Logo
17:50 - 15:35
SYD
-
BHD
30h 45m2 stops
American Airlines Logo
11:00 - 08:20
BHD
-
SYD
36h 20m3 stops
$4,712American Airlines
Wed, 13 May - Sun, 17 May

momondo Fare Finder

 
Locate flights to Belfast 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 22 December 2025.
Use the filters below to find and compare flights to Belfast that are best for you.

Fly from

Route

Depart

Return

Price

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 4/2

20:05-22:50

3 stops37h 45m

Belfast Intl

Wed 11/2

14:50-18:50

3 stops41h 00m

$1,684

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Tue 3/2

14:00-10:05

2 stops31h 05m

Belfast Intl

Tue 10/2

18:25-23:45

3 stops42h 20m

$1,720

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 4/2

14:00-22:50

3 stops43h 50m

Belfast Intl

Wed 11/2

14:50-20:50

3 stops43h 00m

$1,751

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Tue 3/2

20:15-20:15

3 stops35h 00m

Belfast Intl

Tue 10/2

18:25-23:45

3 stops42h 20m

$1,769

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Thu 5/2

14:00-17:35

3 stops38h 35m

Belfast Intl

Thu 12/2

10:10-10:05

3 stops36h 55m

$1,794

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 5/3

11:15-10:20

2 stops34h 05m

Belfast City

Sun 8/3

12:10-06:55

2 stops31h 45m

$1,994

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

10:10-13:30

2 stops36h 20m

Belfast City

Sun 17/5

20:05-06:05

2 stops49h 00m

$2,021

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

10:10-08:50

2 stops31h 40m

Belfast City

Sun 17/5

19:10-06:05

2 stops49h 55m

$2,023

MelbourneBelfast

MEL - BHD

MELBHD

Melbourne

Mon 11/5

10:15-08:50

2 stops31h 35m

Belfast City

Mon 1/6

06:40-08:10

2 stops40h 30m

$2,053

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

17:50-15:35

2 stops30h 45m

Belfast City

Sun 17/5

11:00-08:20

3 stops36h 20m

$4,712

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Belfast from

Belfast flights insights and trends

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

What is the cheapest day to depart on your flight to Belfast?

According to our data, Wednesday is the cheapest day to fly to Belfast from Australia. The lowest ticket price found for a Wednesday departure recently was $2,043. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Belfast on Sunday is $2,413.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Australia to Belfast flights are usually those with departure times at midday. Our users have found flights to Belfast at midday for as low as $2,203. Flights to Belfast are more costly in the evening, with an average ticket price of $3,865. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Cheapest flights to Belfast

Find the cheapest flights to Belfast from your nearest city or airport
Find flights from Sydney to Dublin
CHEAPEST MONTH TO FLY TO BELFAST FROM SYDNEYOctober11% cheaperFlying from Sydney to Belfast costs on average just $1,928 in October
MOST EXPENSIVE MONTH TO FLY TO BELFAST FROM SYDNEYJuly61% more expensiveIt costs about $3,477 for flights to Belfast from Sydney in July
MOST POPULAR MONTH TO FLY TO BELFAST FROM SYDNEYDecember200% more users visitedMore momondo users searched in flights to Belfast from Sydney in December than any other month

Cheap Belfast flight deals and tips

Summary info about Belfast flight prices, duration and airlines

Best Round-Trip Price

$1,684

Fastest flight time

30h 45m

Popular in

July
The best round-trip flight price to Belfast from Australia in the last 72 hours is $1,684 (Sydney Kingsford Smith to Belfast Intl).
Search Deals
The fastest flight to Belfast from Australia takes 30h 45m (Brisbane to Belfast City).
Search Deals
July has the highest demand for flights to Belfast, with a 7% price increase on average.
Search Deals

Frequently asked questions about flying to Belfast

What is the cheapest month to fly to Belfast?

The month of May is another great option to travel to Belfast, with average flight prices from Australia averaging around $1,941.

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 $250 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).

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 4 as of December 2025.

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.

An easier way to manage your Belfast trip

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Find better results for your trip to Belfast

Popular Flights to Belfast

Popular routes according to searches in the past day on momondo
Sydney Kingsford Smith to Belfast Flightsfrom $966
Melbourne to Belfast Flightsfrom $1,138
Brisbane to Belfast Flightsfrom $1,335