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Cheap flights from Belfast Intl Airport to Australia from £455

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast Intl Airport to Australia departing on 18/11. 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 Belfast Intl Airport to Australia

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:25 - 19:55BFS-PER
41h 30m3 stops
Multiple Airlines Logo
05:35 - 20:15PER-BFS
46h 40m3 stops
£774Multiple Airlines
Find Deal
Tue, 17 Feb - Tue, 10 Mar
Multiple Airlines Logo
13:55 - 19:55BFS-PER
46h 00m3 stops
Multiple Airlines Logo
01:40 - 21:30PER-BFS
27h 50m3 stops
£792Multiple Airlines
Find Deal
Tue, 17 Feb - Mon, 9 Mar
Multiple Airlines Logo
14:50 - 16:30BFS-PER
41h 40m3 stops
Multiple Airlines Logo
05:35 - 16:10PER-BFS
42h 35m3 stops
£814Multiple Airlines
Find Deal
Wed, 18 Feb - Wed, 11 Mar
Multiple Airlines Logo
09:45 - 10:25BFS-SYD
37h 40m3 stops
Multiple Airlines Logo
13:35 - 22:45SYD-BFS
44h 10m3 stops
£938Multiple Airlines
Find Deal
Thu, 11 Dec - Fri, 30 Jan
Multiple Airlines Logo
09:45 - 10:25BFS-SYD
37h 40m3 stops
Multiple Airlines Logo
12:00 - 10:05SYD-BFS
33h 05m2 stops
£955Multiple Airlines
Find Deal
Thu, 11 Dec - Fri, 30 Jan
Multiple Airlines Logo
20:55 - 04:15BFS-PER
47h 20m3 stops
Multiple Airlines Logo
17:15 - 20:10PER-BFS
34h 55m3 stops
£1,040Multiple Airlines
Find Deal
Mon, 8 Dec - Mon, 12 Jan
Multiple Airlines Logo
06:00 - 17:20BFS-PER
27h 20m2 stops
Multiple Airlines Logo
22:20 - 21:45PER-BFS
31h 25m2 stops
£1,171Multiple Airlines
Find Deal
Wed, 18 Feb - Wed, 11 Mar
Multiple Airlines Logo
16:35 - 06:35BFS-SYD
27h 00m2 stops
Multiple Airlines Logo
21:30 - 19:05SYD-BFS
32h 35m2 stops
£1,295Multiple Airlines
Find Deal
Wed, 3 Dec - Mon, 8 Dec
Multiple Airlines Logo
06:00 - 22:30BFS-SYD
29h 30m2 stops
Multiple Airlines Logo
12:15 - 21:10SYD-BFS
43h 55m3 stops
£1,312Multiple Airlines
Find Deal
Wed, 3 Dec - Mon, 8 Dec
Multiple Airlines Logo
08:35 - 04:30BFS-PER
35h 55m3 stops
Multiple Airlines Logo
02:25 - 21:55PER-BFS
27h 30m3 stops
£1,333Multiple Airlines
Find Deal
Mon, 8 Dec - Sun, 11 Jan

momondo Fare Finder

 
Customise your flight search to find flights from Belfast Intl Airport 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 13 November 2025.
Use the filters below to find and compare flights from Belfast Intl Airport to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Tue 17/2

18:25-19:55

3 stops41h 30m

Perth

Tue 10/3

05:35-20:15

3 stops46h 40m

£774

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Tue 17/2

13:55-19:55

3 stops46h 00m

Perth

Mon 9/3

01:40-21:30

3 stops27h 50m

£792

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Wed 18/2

14:50-16:30

3 stops41h 40m

Perth

Wed 11/3

05:35-16:10

3 stops42h 35m

£814

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 11/12

09:45-10:25

3 stops37h 40m

Sydney Kingsford Smith

Fri 30/1

13:35-22:45

3 stops44h 10m

£938

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Thu 11/12

09:45-10:25

3 stops37h 40m

Sydney Kingsford Smith

Fri 30/1

12:00-10:05

2 stops33h 05m

£955

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Mon 8/12

20:55-04:15

3 stops47h 20m

Perth

Mon 12/1

17:15-20:10

3 stops34h 55m

£1,040

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Wed 18/2

06:00-17:20

2 stops27h 20m

Perth

Wed 11/3

22:20-21:45

2 stops31h 25m

£1,171

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 3/12

16:35-06:35

2 stops27h 00m

Sydney Kingsford Smith

Mon 8/12

21:30-19:05

2 stops32h 35m

£1,295

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 3/12

06:00-22:30

2 stops29h 30m

Sydney Kingsford Smith

Mon 8/12

12:15-21:10

3 stops43h 55m

£1,312

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Mon 8/12

08:35-04:30

3 stops35h 55m

Perth

Sun 11/1

02:25-21:55

3 stops27h 30m

£1,333

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Australia from

How to get the cheapest flight ticket from Belfast Intl Airport 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 October is, on average, the cheapest month to fly to Australia from Belfast Intl Airport, with most prices found around £1,053. The month of November is another great option to travel to Australia, with average flight prices from Belfast Intl Airport averaging around £1,113.

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 £1,128. 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 £1,425.

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 Belfast Intl Airport to Australia when you can find flight prices for as low as £1,212. 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 £1,553.

Cheap Belfast Intl Airport to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast Intl Airport to Australia

Direct flights

None
There are no direct flights from Belfast Intl Airport to Australia. There are no popular flight routes from Belfast Intl Airport to Australia.
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  • When did momondo last update prices for flights from Belfast Intl Airport to Australia?

    Prices for flights from Belfast Intl Airport to Australia were last updated today.

  • How many operators does momondo search for flights from Belfast Intl Airport to Australia?

  • How old do you have to be to fly from Belfast Intl Airport to Australia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast Intl Airport to Australia.

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

    The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Belfast Intl Airport to Australia

Compare and see reviews for airlines that fly from Belfast Intl Airport to Australia with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom £14Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
British AirwaysPriceFrom £998Free CancellationRating
6.7
7,518 reviews
Search British Airways flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Australia. momondo saves you time and could save you money on your trip.

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

Flights from Belfast to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Belfast to Australia?

Once you have performed a search for Belfast to Australia flights, momondo helps you find the right one 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 from Belfast to Australia right now. Can momondo alert me if prices change?

Price alerts on flights to Australia from Belfast are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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