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Cheap flights from Northern Ireland to Australia from £392

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Northern Ireland to Australia departing on 18/9. 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 Northern Ireland to Australia

Cheap return flights

Logo
17:30 - 05:50BFS-PER
29h 20m3 stops
Logo
14:50 - 22:20PER-BFS
38h 30m3 stops
£836
Find Deal
Sun, 21 Sep - Sun, 28 Sep
Logo
07:00 - 12:35BHD-SYD
44h 35m2 stops
Logo
20:30 - 20:25SYD-BHD
32h 55m2 stops
£840
Find Deal
Fri, 5 Sep - Fri, 12 Sep
Logo
06:05 - 06:10BFS-SYD
39h 05m3 stops
Logo
09:15 - 22:35SYD-BFS
46h 20m3 stops
£948
Find Deal
Fri, 19 Sep - Fri, 26 Sep
British Airways Logo
11:30 - 18:40BHD-PER
24h 10m2 stops
British Airways Logo
22:45 - 19:20PER-BHD
27h 35m2 stops
£1,149British Airways
Find Deal
Wed, 3 Sep - Thu, 18 Sep
KLM Logo
06:30 - 07:35BHD-SYD
38h 05m2 stops
KLM Logo
15:55 - 16:50SYD-BHD
35h 55m2 stops
£1,169KLM
Find Deal
Tue, 30 Dec - Mon, 19 Jan
British Airways Logo
11:30 - 18:40BHD-PER
24h 10m2 stops
British Airways Logo
22:45 - 19:20PER-BHD
27h 35m2 stops
£1,174British Airways
Find Deal
Wed, 3 Sep - Thu, 18 Sep
Qatar Airways Logo
06:50 - 18:40BHD-PER
28h 50m2 stops
Qatar Airways Logo
15:55 - 13:05PER-BHD
28h 10m2 stops
£1,191Qatar Airways
Find Deal
Mon, 1 Sep - Wed, 17 Sep
Qatar Airways Logo
06:50 - 18:40BHD-PER
28h 50m2 stops
Qatar Airways Logo
15:55 - 13:05PER-BHD
28h 10m2 stops
£1,198Qatar Airways
Find Deal
Mon, 1 Sep - Wed, 17 Sep
KLM Logo
06:30 - 07:25BHD-SYD
37h 55m2 stops
KLM Logo
15:55 - 16:50SYD-BHD
35h 55m2 stops
£1,279KLM
Find Deal
Wed, 31 Dec - Mon, 19 Jan
Malaysia Airlines Logo
06:50 - 01:10BHD-PER
35h 20m2 stops
Malaysia Airlines Logo
02:10 - 19:20PER-BHD
48h 10m2 stops
£1,284Malaysia Airlines
Find Deal
Wed, 3 Sep - Wed, 17 Sep

KLM flights from Northern Ireland to Australia

Our best KLM deals on Northern Ireland to Australia flight tickets
KLM
30 Dec
BHD06:30Belfast City
38h 05m
2 stops
SYD07:35Sydney Kingsford Smith
19 Jan
SYD15:55Sydney Kingsford Smith
35h 55m
2 stops
BHD16:50Belfast City
£1,169
Find similar
KLM
31 Dec
BHD06:30Belfast City
37h 55m
2 stops
SYD07:25Sydney Kingsford Smith
19 Jan
SYD15:55Sydney Kingsford Smith
35h 55m
2 stops
BHD16:50Belfast City
£1,279
Find similar
KLM
31 Dec
BHD06:30Belfast City
37h 55m
2 stops
SYD07:25Sydney Kingsford Smith
19 Jan
SYD15:55Sydney Kingsford Smith
35h 55m
2 stops
BHD16:50Belfast City
£1,282
Find similar

British Airways flights from Northern Ireland to Australia

Our best British Airways deals on Northern Ireland to Australia flight tickets
British Airways
3 Sept
BHD11:30Belfast City
24h 10m
2 stops
PER18:40Perth
18 Sept
PER22:45Perth
27h 35m
2 stops
BHD19:20Belfast City
£1,149
Find similar
British Airways
3 Sept
BHD11:30Belfast City
24h 10m
2 stops
PER18:40Perth
18 Sept
PER22:45Perth
27h 35m
2 stops
BHD19:20Belfast City
£1,174
Find similar
British Airways
5 Sept
BHD16:20Belfast City
25h 50m
2 stops
PER01:10Perth
12 Sept
PER22:45Perth
29h 00m
2 stops
BHD20:45Belfast City
£1,175
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Australia 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, momondo users made 279,928 searches. Data last updated 8 August 2025.
Use the filters below to find and compare flights from Northern Ireland to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Sun 21/9

17:30-05:50

3 stops29h 20m

Perth

Sun 28/9

14:50-22:20

3 stops38h 30m

£836

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Fri 5/9

07:00-12:35

2 stops44h 35m

Sydney Kingsford Smith

Fri 12/9

20:30-20:25

2 stops32h 55m

£840

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Fri 19/9

06:05-06:10

3 stops39h 05m

Sydney Kingsford Smith

Fri 26/9

09:15-22:35

3 stops46h 20m

£948

BelfastPerth

BHD - PER

BHDPER

Belfast City

Wed 3/9

11:30-18:40

2 stops24h 10m

Perth

Thu 18/9

22:45-19:20

2 stops27h 35m

£1,149

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 30/12

06:30-07:35

2 stops38h 05m

Sydney Kingsford Smith

Mon 19/1

15:55-16:50

2 stops35h 55m

£1,169

BelfastPerth

BHD - PER

BHDPER

Belfast City

Wed 3/9

11:30-18:40

2 stops24h 10m

Perth

Thu 18/9

22:45-19:20

2 stops27h 35m

£1,174

BelfastPerth

BHD - PER

BHDPER

Belfast City

Mon 1/9

06:50-18:40

2 stops28h 50m

Perth

Wed 17/9

15:55-13:05

2 stops28h 10m

£1,191

BelfastPerth

BHD - PER

BHDPER

Belfast City

Mon 1/9

06:50-18:40

2 stops28h 50m

Perth

Wed 17/9

15:55-13:05

2 stops28h 10m

£1,198

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 31/12

06:30-07:25

2 stops37h 55m

Sydney Kingsford Smith

Mon 19/1

15:55-16:50

2 stops35h 55m

£1,279

BelfastPerth

BHD - PER

BHDPER

Belfast City

Wed 3/9

06:50-01:10

2 stops35h 20m

Perth

Wed 17/9

02:10-19:20

2 stops48h 10m

£1,284

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

How to get the cheapest flight ticket from Northern Ireland to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Australia?

The month of April is, on average, the cheapest month to fly to Australia from Northern Ireland, with most prices found around £1,099. The month of October is another great option to travel to Australia, with average flight prices from Northern Ireland averaging around £1,118.

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

The cheapest day to depart on your flight to Australia is on a Monday when prices can be found for as low as £1,107. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Australia is Friday, with ticket prices averaging around £1,400.

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

In the afternoon is the cheapest time of day to fly from Northern Ireland to Australia when you can find flight prices for as low as £1,190. Flying to Australia in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Australia is at midday when prices are around £1,525.

Cheap Northern Ireland to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Australia

Best price found

£392

Fastest flight time

22h 00m

Direct flights

None

Airports in Australia

4 airports
The best one-way flight to Australia from Northern Ireland in the past 72 hours is £392. The best return flight deal from Northern Ireland to Australia found on momondo in the last 72 hours is £836.
The fastest flight from Northern Ireland to Australia takes 22h 00m
There are no direct flights from Northern Ireland to Australia. Popular non-direct routes for this connection are Belfast City Airport - Perth Airport, Belfast Intl Airport - Perth Airport and Belfast City Airport - Melbourne Airport.
There are 4 airports near Australia: Melbourne (MEL), Brisbane (BNE), Perth (PER), Sydney Kingsford Smith (SYD)
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  • When did momondo last update prices for flights from Northern Ireland to Australia?

    Prices for flights from Northern Ireland to Australia were last updated today.

  • How many operators does momondo search for flights from Northern Ireland to Australia?

  • How old do you have to be to fly from Northern Ireland to Australia?

    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 from Northern Ireland to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Northern Ireland to Australia

Compare and see reviews for airlines that fly from Northern Ireland to Australia with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom £14Free CancellationRating
7.4
3,606 reviews
Search Qatar Airways flights
British AirwaysPriceFrom £976Free CancellationRating
6.6
7,251 reviews
Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Australia?

Finding the right flight to Australia from Northern Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

Can I find flights from Northern Ireland to Australia with flexible booking policies on momondo?

Yes. All flights to Australia from Northern Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Northern Ireland to Australia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Northern Ireland to Australia.

I’m not ready to book a flight from Northern Ireland to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Northern Ireland to Australia flights 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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