Which airlines fly to Belfast?

For flights from Australia to Belfast, most momondo users will book with popular airlines such as British Airways, Qatar Airways and Malaysia Airlines. Depending on what airport you fly from, you may have other airlines to choose from.

$570 Cheap Flights to Belfast in 2025/26

1 adult

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Find the cheapest flights from Australia to Belfast

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One-way

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Cheap return flights

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18:20 - 09:45

MEL

BFS

26h 25m2 stops

07:05 - 17:00

BFS

MEL

46h 55m2 stops

$1,722Multiple Airlines

Thu, 12 Feb - Thu, 19 Feb

14:00 - 20:25

MEL

BFS

41h 25m3 stops

07:05 - 07:25

BFS

MEL

37h 20m3 stops

$1,749Multiple Airlines

Thu, 12 Feb - Thu, 19 Feb

21:15 - 08:55

SYD

BFS

46h 40m3 stops

06:30 - 19:20

BFS

SYD

49h 50m3 stops

$1,805Multiple Airlines

Fri, 13 Feb - Fri, 20 Feb

18:20 - 10:10

MEL

BFS

26h 50m2 stops

08:30 - 17:00

BFS

MEL

45h 30m2 stops

$1,838Multiple Airlines

Sat, 14 Feb - Sat, 21 Feb

21:15 - 20:30

SYD

BFS

34h 15m3 stops

07:05 - 19:20

BFS

SYD

49h 15m3 stops

$1,882Multiple Airlines

Fri, 13 Feb - Fri, 20 Feb

07:40 - 08:50

SYD

BHD

34h 10m2 stops

20:05 - 06:05

BHD

SYD

49h 00m2 stops

$2,026British Airways

Wed, 6 May - Sun, 10 May

07:40 - 13:30

SYD

BHD

38h 50m2 stops

20:05 - 06:05

BHD

SYD

49h 00m2 stops

$2,031British Airways

Wed, 6 May - Sun, 10 May

15:10 - 13:50

BNE

BHD

32h 40m2 stops

07:00 - 22:55

BHD

BNE

29h 55m2 stops

$2,285Qatar Airways

Thu, 5 Feb - Mon, 9 Feb

15:10 - 09:45

BNE

BHD

28h 35m2 stops

07:00 - 22:55

BHD

BNE

29h 55m2 stops

$2,286Qatar Airways

Thu, 5 Feb - Mon, 9 Feb

11:10 - 21:00

SYD

BHD

44h 50m3 stops

06:30 - 10:45

BHD

SYD

41h 15m3 stops

$10,959KLM

Fri, 20 Feb - Fri, 6 Mar

Fly from

Route

Depart

Return

Price

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Thu 12/2

18:20-09:45

2 stops26h 25m

Belfast Intl

Thu 19/2

07:05-17:00

2 stops46h 55m

$1,722

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Thu 12/2

14:00-20:25

3 stops41h 25m

Belfast Intl

Thu 19/2

07:05-07:25

3 stops37h 20m

$1,749

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 13/2

21:15-08:55

3 stops46h 40m

Belfast Intl

Fri 20/2

06:30-19:20

3 stops49h 50m

$1,805

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Sat 14/2

18:20-10:10

2 stops26h 50m

Belfast Intl

Sat 21/2

08:30-17:00

2 stops45h 30m

$1,838

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 13/2

21:15-20:30

3 stops34h 15m

Belfast Intl

Fri 20/2

07:05-19:20

3 stops49h 15m

$1,882

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

07:40-08:50

2 stops34h 10m

Belfast City

Sun 10/5

20:05-06:05

2 stops49h 00m

$2,026

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 6/5

07:40-13:30

2 stops38h 50m

Belfast City

Sun 10/5

20:05-06:05

2 stops49h 00m

$2,031

BrisbaneBelfast

BNE - BHD

BNEBHD

Brisbane

Thu 5/2

15:10-13:50

2 stops32h 40m

Belfast City

Mon 9/2

07:00-22:55

2 stops29h 55m

$2,285

BrisbaneBelfast

BNE - BHD

BNEBHD

Brisbane

Thu 5/2

15:10-09:45

2 stops28h 35m

Belfast City

Mon 9/2

07:00-22:55

2 stops29h 55m

$2,286

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Fri 20/2

11:10-21:00

3 stops44h 50m

Belfast City

Fri 6/3

06:30-10:45

3 stops41h 15m

$10,959

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Belfast flights insights and trends

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

How long does it take to fly to Belfast?

The flight from Australia to Belfast depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Sydney Kingsford Smith (a popular airport in Australia) to Belfast Intl (the most popular airport in Belfast), then the flight time is 34h 10m on average. If you fly from Melbourne (another popular airport in Australia) to Belfast Intl, then the average flight time is 26h 25m.

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 SYDNEY	October	11% cheaper	Flying from Sydney to Belfast costs on average just $1,908 in October
MOST EXPENSIVE MONTH TO FLY TO BELFAST FROM SYDNEY	July	61% more expensive	It costs about $3,442 for flights to Belfast from Sydney in July
MOST POPULAR MONTH TO FLY TO BELFAST FROM SYDNEY	December	200% more users visited	More 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 One-Way Price	$570
Best Round-Trip Price	$1,722
Fastest flight time	37h 05m
Popular in	July

The best one-way flight price to Belfast from Australia in the last 72 hours is $570 (Sydney Kingsford Smith to Belfast Intl).

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The best round-trip flight price to Belfast from Australia in the last 72 hours is $1,722 (Melbourne to Belfast Intl).

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The fastest flight to Belfast from Australia takes 37h 05m (Sydney Kingsford Smith to Belfast Intl).

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July has the highest demand for flights to Belfast, with a 7% price increase on average.

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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 $1,921.

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 $252 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.