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Cheap flights from Belfast Intl Airport to Australia from £509

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 17/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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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
15:10 - 13:35
BFS
-
SYD
35h 25m2 stops
Multiple Airlines Logo
10:30 - 18:25
SYD
-
BFS
42h 55m3 stops
£735Multiple Airlines
Mon, 26 Jan - Sun, 8 Feb
Multiple Airlines Logo
08:50 - 13:35
BFS
-
SYD
41h 45m2 stops
Multiple Airlines Logo
21:30 - 20:10
SYD
-
BFS
33h 40m2 stops
£736Multiple Airlines
Mon, 2 Feb - Mon, 9 Mar
Multiple Airlines Logo
07:05 - 04:15
BFS
-
PER
37h 10m3 stops
Multiple Airlines Logo
05:35 - 21:05
PER
-
BFS
47h 30m3 stops
£736Multiple Airlines
Thu, 19 Feb - Thu, 26 Feb
Multiple Airlines Logo
15:10 - 13:35
BFS
-
SYD
35h 25m3 stops
Multiple Airlines Logo
10:30 - 18:25
SYD
-
BFS
42h 55m3 stops
£740Multiple Airlines
Mon, 26 Jan - Sun, 8 Feb
Multiple Airlines Logo
06:10 - 19:40
BFS
-
SYD
28h 30m2 stops
Multiple Airlines Logo
10:05 - 19:30
SYD
-
BFS
42h 25m2 stops
£744Multiple Airlines
Mon, 4 May - Thu, 28 May
Multiple Airlines Logo
06:10 - 21:10
BFS
-
BNE
30h 00m2 stops
Multiple Airlines Logo
10:10 - 19:30
BNE
-
BFS
42h 20m2 stops
£775Multiple Airlines
Mon, 27 Apr - Thu, 21 May
Multiple Airlines Logo
15:10 - 13:35
BFS
-
SYD
35h 25m2 stops
Multiple Airlines Logo
10:30 - 10:05
SYD
-
BFS
34h 35m2 stops
£785Multiple Airlines
Mon, 26 Jan - Sun, 8 Feb
Multiple Airlines Logo
09:25 - 06:30
BFS
-
SYD
34h 05m2 stops
Multiple Airlines Logo
12:00 - 20:10
SYD
-
BFS
43h 10m2 stops
£810Multiple Airlines
Sun, 1 Feb - Mon, 9 Mar
Multiple Airlines Logo
15:10 - 13:35
BFS
-
SYD
35h 25m2 stops
Multiple Airlines Logo
20:05 - 20:20
SYD
-
BFS
35h 15m3 stops
£812Multiple Airlines
Mon, 2 Feb - Mon, 9 Mar
Multiple Airlines Logo
14:30 - 16:30
BFS
-
PER
42h 00m3 stops
Multiple Airlines Logo
01:40 - 10:20
PER
-
BFS
40h 40m3 stops
£816Multiple Airlines
Fri, 20 Feb - Thu, 26 Feb

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 8 January 2026.
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

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 26/1

15:10-13:35

2 stops35h 25m

Sydney Kingsford Smith

Sun 8/2

10:30-18:25

3 stops42h 55m

£735

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 2/2

08:50-13:35

2 stops41h 45m

Sydney Kingsford Smith

Mon 9/3

21:30-20:10

2 stops33h 40m

£736

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Thu 19/2

07:05-04:15

3 stops37h 10m

Perth

Thu 26/2

05:35-21:05

3 stops47h 30m

£736

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 26/1

15:10-13:35

3 stops35h 25m

Sydney Kingsford Smith

Sun 8/2

10:30-18:25

3 stops42h 55m

£740

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 4/5

06:10-19:40

2 stops28h 30m

Sydney Kingsford Smith

Thu 28/5

10:05-19:30

2 stops42h 25m

£744

BelfastBrisbane

BFS - BNE

BFSBNE

Belfast Intl

Mon 27/4

06:10-21:10

2 stops30h 00m

Brisbane

Thu 21/5

10:10-19:30

2 stops42h 20m

£775

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 26/1

15:10-13:35

2 stops35h 25m

Sydney Kingsford Smith

Sun 8/2

10:30-10:05

2 stops34h 35m

£785

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sun 1/2

09:25-06:30

2 stops34h 05m

Sydney Kingsford Smith

Mon 9/3

12:00-20:10

2 stops43h 10m

£810

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 2/2

15:10-13:35

2 stops35h 25m

Sydney Kingsford Smith

Mon 9/3

20:05-20:20

3 stops35h 15m

£812

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Fri 20/2

14:30-16:30

3 stops42h 00m

Perth

Thu 26/2

01:40-10:20

3 stops40h 40m

£816

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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 £1,027. The month of November is another great option to travel to Australia, with average flight prices from Belfast Intl Airport averaging around £1,075.

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

Fastest flight time

24h 00m

Direct flights

None
The fastest flight from Belfast Intl Airport to Australia takes 24h 00m
There are no direct flights from Belfast Intl Airport to Australia. There are no popular flight routes from Belfast Intl Airport to Australia.
Search flight deals

  • 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
British AirwaysPriceFrom £956Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
Qatar AirwaysPriceFrom £1,054Free CancellationRating
7.4
3,701 reviews
Search Qatar 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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