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Cheap flights from Belfast Intl Airport to Australia from £438

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — SYD
19 Aug — 26 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Australia

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Australia
Explore the most affordable flight options available from Belfast Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 July 2026.

Mon 31/806:10
BFS
-
SYD
2 stops45h 25m
Multiple Airlines
Mon 7/911:00
SYD
-
BFS
2 stops42h 25m
Multiple Airlines
Deal found 17/7£834
Thu 3/906:10
BFS
-
BNE
2 stops41h 50m
Multiple Airlines
Thu 10/911:15
BNE
-
BFS
2 stops41h 05m
Multiple Airlines
Deal found 20/7£874
Thu 27/806:10
BFS
-
PER
2 stops32h 45m
Multiple Airlines
Mon 31/823:35
PER
-
BFS
2 stops27h 50m
Multiple Airlines
Deal found 20/7£958
Tue 22/906:15
BFS
-
SYD
2 stops28h 10m
Multiple Airlines
Wed 21/1011:05
SYD
-
BFS
2 stops42h 35m
Multiple Airlines
Deal found 17/7£988
Tue 25/806:15
BFS
-
SYD
2 stops28h 10m
Multiple Airlines
Fri 28/811:00
SYD
-
BFS
2 stops31h 55m
Multiple Airlines
Deal found 20/7£1,191
Fri 14/821:10
BFS
-
BNE
2 stops50h 50m
Multiple Airlines
Mon 31/811:05
BNE
-
BFS
2 stops42h 20m
Multiple Airlines
Deal found 18/7£1,302
Thu 20/806:10
BFS
-
MEL
2 stops28h 10m
Multiple Airlines
Tue 25/810:20
MEL
-
BFS
2 stops45h 05m
Multiple Airlines
Deal found 16/7£1,329
Thu 29/1008:50
BFS
-
PER
2 stops25h 55m
Multiple Airlines
Sun 29/1107:25
PER
-
BFS
2 stops34h 45m
Multiple Airlines
Deal found 20/7£1,390
Wed 23/1214:25
BFS
-
PER
1 stop35h 35m
Multiple Airlines
Thu 28/105:15
PER
-
BFS
3 stops36h 55m
Multiple Airlines
Deal found 17/7£1,471
Sat 28/1121:10
BFS
-
SYD
2 stops33h 35m
Multiple Airlines
Tue 29/1209:20
SYD
-
BFS
2 stops35h 45m
Multiple Airlines
Deal found 18/7£1,474
Sun 20/1210:50
BFS
-
BNE
2 stops35h 25m
Multiple Airlines
Sun 31/110:15
BNE
-
BFS
2 stops44h 15m
Multiple Airlines
Deal found 18/7£1,487
Wed 23/1214:25
BFS
-
PER
1 stop35h 35m
Multiple Airlines
Wed 3/216:00
PER
-
BFS
2 stops35h 35m
Multiple Airlines
Deal found 17/7£1,558

Find flight deals from Belfast Intl to Australia

Keep the following information in mind while searching for Belfast Intl to Australia flight deals. Data was last updated 20 July 2026.

Round-trip from

£834

One-way from

£438
31/8-7/9
  • 31/8-7/9
  • 4 total stops
  • 87h 50m total
  • Belfast to Australia
Search Deals
6/11
  • 6/11
  • 2 total stops
  • 39h 00m total
  • Belfast to Australia
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast Intl 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, Cheapflights users made 858,174 searches. Data last updated 20 July 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

Cheapest return flight

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 31/8

06:10-12:35

2 stops45h 25m

Sydney Kingsford Smith

Mon 7/9

11:00-20:25

2 stops42h 25m

£834

BelfastBrisbane

BFS - BNE

BFSBNE

Belfast Intl

Thu 3/9

06:10-09:00

2 stops41h 50m

Brisbane

Thu 10/9

11:15-19:20

2 stops41h 05m

£874

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 25/8

06:15-19:25

2 stops28h 10m

Sydney Kingsford Smith

Fri 28/8

11:00-09:55

2 stops31h 55m

£1,191

BelfastMelbourne

BFS - MEL

BFSMEL

Belfast Intl

Thu 20/8

06:10-19:20

2 stops28h 10m

Melbourne

Tue 25/8

10:20-22:25

2 stops45h 05m

£1,329

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Thu 29/10

08:50-18:45

2 stops25h 55m

Perth

Sun 29/11

07:25-10:10

2 stops34h 45m

£1,390

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Sat 28/11

21:10-17:45

2 stops33h 35m

Sydney Kingsford Smith

Tue 29/12

09:20-10:05

2 stops35h 45m

£1,474

BelfastBrisbane

BFS - BNE

BFSBNE

Belfast Intl

Sun 20/12

10:50-08:15

2 stops35h 25m

Brisbane

Sun 31/1

10:15-20:30

2 stops44h 15m

£1,487

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Thu 27/8

13:00-07:45

2 stops35h 45m

Perth

Mon 31/8

08:20-22:00

2 stops44h 40m

£1,529

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Tue 15/12

08:25-01:25

3 stops33h 00m

Perth

Tue 19/1

07:25-10:05

2 stops34h 40m

£1,569
Fastest return journey

BelfastPerth

BFS - PER

BFSPER

Belfast Intl

Mon 3/8

06:25-18:35

2 stops29h 10m

Perth

Mon 24/8

23:35-23:20

2 stops30h 45m

£1,661

Flights are sorted by cheapest return flights first.

Deals found on 17/7

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Belfast Intl to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Belfast Intl 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 Belfast Intl Airport to Australia

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated 20 July 2026.
Get a feel of what it's like to fly with Qatar Airways and British Airways from Belfast Intl Airport to Australia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.3
Good
3,748 reviews
Check prices

Food

7.3

Comfort

7.3

Entertainment

7.3

Overall

7.3

Boarding

7.5

Crew

7.9

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Qatar Airways
7.3
Good
3,748 reviews
Qatar Airways
7.3
Good
3,748 reviews
Check prices

Food

7.3

Comfort

7.3

Entertainment

7.3

Overall

7.3

Boarding

7.5

Crew

7.9

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
British Airways
6.7
Okay
8,125 reviews
Qatar Airways
7.3
Good
3,748 reviews
Check prices

Food

7.3

Comfort

7.3

Entertainment

7.3

Overall

7.3

Boarding

7.5

Crew

7.9

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

Related info for your journey

Find useful and relevant information for your journey from Belfast Intl to Australia. 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 Belfast Intl Airport to Australia?

    While some choose either Belfast Intl - Perth or Belfast Intl - Brisbane, Belfast Intl - Sydney Kingsford Smith is the most popular route from Belfast Intl Airport to Australia.

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

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Belfast Intl to Australia

Discover the top 2 airlines that operate flights from Belfast Intl to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest£498Average£1,350FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest£995Average£1,218FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Belfast Intl to Australia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Australia from Belfast Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Belfast Intl to Australia flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Belfast Intl to Australia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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