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Cheap flights from Australia to Belfast Intl Airport from £400

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BFS
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Belfast Intl
Explore the most affordable flight options available from Australia to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Fri 24/401:55
BNE
-
BFS
2 stops30h 25m
Multiple Airlines
Sat 2/511:10
BFS
-
BNE
2 stops34h 15m
Multiple Airlines
Deal found 11/3£701
Tue 28/421:30
MEL
-
BFS
2 stops32h 25m
Multiple Airlines
Tue 5/508:20
BFS
-
MEL
2 stops39h 40m
Multiple Airlines
Deal found 14/3£946
Wed 29/411:00
MEL
-
BFS
2 stops42h 40m
Multiple Airlines
Wed 6/506:10
BFS
-
MEL
2 stops41h 50m
Multiple Airlines
Deal found 15/3£947
Mon 1/620:30
SYD
-
BFS
2 stops32h 55m
Multiple Airlines
Mon 22/606:10
BFS
-
SYD
2 stops41h 50m
Multiple Airlines
Deal found 13/3£947
Sun 1/1121:30
SYD
-
BFS
2 stops31h 25m
Multiple Airlines
Sun 15/1109:25
BFS
-
SYD
2 stops37h 35m
Multiple Airlines
Deal found 15/3£991
Sun 26/415:40
SYD
-
BFS
2 stops29h 05m
Multiple Airlines
Sun 3/517:05
BFS
-
SYD
2 stops28h 05m
Multiple Airlines
Deal found 12/3£1,030
Thu 30/421:30
MEL
-
BFS
2 stops30h 50m
Multiple Airlines
Thu 7/506:10
BFS
-
MEL
2 stops41h 50m
Multiple Airlines
Deal found 16/3£1,058
Wed 8/414:50
SYD
-
BFS
2 stops31h 10m
Multiple Airlines
Wed 22/410:55
BFS
-
SYD
2 stops45h 15m
Multiple Airlines
Deal found 11/3£1,116
Thu 30/415:10
BNE
-
BFS
2 stops33h 20m
Multiple Airlines
Thu 7/506:10
BFS
-
BNE
2 stops26h 20m
Multiple Airlines
Deal found 16/3£1,132
Sun 26/415:10
BNE
-
BFS
2 stops39h 40m
Multiple Airlines
Sun 3/517:05
BFS
-
BNE
2 stops39h 25m
Multiple Airlines
Deal found 12/3£1,163
Tue 28/421:00
BNE
-
BFS
2 stops31h 20m
Multiple Airlines
Tue 5/510:35
BFS
-
BNE
2 stops26h 45m
Multiple Airlines
Deal found 14/3£1,213
Mon 13/401:55
BNE
-
BFS
2 stops40h 15m
Multiple Airlines
Mon 7/906:40
BFS
-
BNE
2 stops30h 40m
Multiple Airlines
Deal found 15/3£1,219

Find flight deals from Australia to Belfast Intl

Keep the following information in mind while searching for Australia to Belfast Intl flight deals. Data was last updated 16 March 2026.

Round-trip from

£701

One-way from

£400

Popular in

July

Cheapest in

October

Average price

£1,622
24/4-2/5
  • 24/4-2/5
  • 4 total stops
  • 64h 40m total
  • Australia to Belfast
Search Deals
25/5
  • 25/5
  • 3 total stops
  • 43h 30m total
  • Australia to Belfast
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£159 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£46 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Belfast Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 March 2026.
Use the filters below to find and compare flights from Australia to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Fri 24/4

01:55-23:20

2 stops30h 25m

Belfast Intl

Sat 2/5

11:10-06:25

2 stops34h 15m

£701

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Tue 28/4

21:30-20:55

2 stops32h 25m

Belfast Intl

Tue 5/5

08:20-09:00

2 stops39h 40m

£946

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 29/4

11:00-20:40

2 stops42h 40m

Belfast Intl

Wed 6/5

06:10-09:00

2 stops41h 50m

£947

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Mon 1/6

20:30-20:25

2 stops32h 55m

Belfast Intl

Mon 22/6

06:10-09:00

2 stops41h 50m

£947
Fastest return journey

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sun 26/4

15:40-11:45

2 stops29h 05m

Belfast Intl

Sun 3/5

17:05-06:10

2 stops28h 05m

£1,030

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Thu 30/4

21:30-19:20

2 stops30h 50m

Belfast Intl

Thu 7/5

06:10-09:00

2 stops41h 50m

£1,058

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 8/4

14:50-13:00

2 stops31h 10m

Belfast Intl

Wed 22/4

10:55-17:10

2 stops45h 15m

£1,116

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Thu 30/4

15:10-15:30

2 stops33h 20m

Belfast Intl

Thu 7/5

06:10-17:30

2 stops26h 20m

£1,132

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Sun 26/4

15:10-21:50

2 stops39h 40m

Belfast Intl

Sun 3/5

17:05-17:30

2 stops39h 25m

£1,163

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Tue 28/4

21:00-19:20

2 stops31h 20m

Belfast Intl

Tue 5/5

10:35-22:20

2 stops26h 45m

£1,213

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Australia to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Australia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Belfast Intl Airport

What is the cheapest month to book a flight from Australia to Belfast Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Australia to Belfast Intl Airport (average of £961). Flying from Australia to Belfast Intl Airport in March is currently the most expensive (average of £1,622). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Australia to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from Australia to Belfast Intl Airport?

    The most popular route from Australia to Belfast Intl Airport is Brisbane - Belfast Intl. You may also consider Sydney Kingsford Smith - Belfast Intl or Melbourne - Belfast Intl.

  • Can I find deals for flights from Australia to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on Australia to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Belfast Intl.

  • Can I find deals for business class flights from Australia to Belfast Intl?

    Yes. Cheapflights offers flight deals from Australia to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Belfast Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Australia to Belfast Intl Airport (average of £961). Flying from Australia to Belfast Intl Airport in March is currently the most expensive (average of £1,622). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Belfast Intl Airport?

Book flights to Belfast Intl Airport if you plan to visit one of these locations
Armagh
Newry
Ballymena
Cookstown
Dungannon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Australia to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
Brisbane to Belfast City flights
Sydney to Belfast Intl flights
Melbourne to Belfast Intl flights
Melbourne to Belfast City flights
Christchurch to Belfast City flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Belfast Intl?

When you search for this flight from Australia to Belfast Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Australia to Belfast Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Australia to Belfast Intl.

Can Cheapflights find flights from Australia to Belfast Intl with no change fees?

Certainly. Search results for flights to Belfast Intl from Australia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Australia to Belfast Intl become cheaper?

Yes, Cheapflights offers price alerts on Australia to Belfast Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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