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Cheap flights from Belfast Intl Airport to Australia from £380

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — SYD
5 Sep — 12 Sep1
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 6 August 2026.

Thu 29/1014:40 -
3 stops45h 00m
Wed 18/1117:50 -
3 stops34h 05m
Deal found 2/8£846
Tue 1/908:20 -
2 stops39h 40m
Tue 15/911:00 -
2 stops36h 00m
Deal found 6/8£851
Wed 9/906:10 -
2 stops41h 50m
Wed 16/911:00 -
2 stops41h 40m
Deal found 2/8£901
Wed 16/915:40 -
2 stops29h 30m
Wed 23/915:40 -
2 stops32h 40m
Deal found 2/8£974
Sun 30/809:55 -
2 stops38h 05m
Sun 6/911:00 -
2 stops42h 15m
Deal found 2/8£978
Mon 7/906:10 -
2 stops28h 15m
Sun 13/915:40 -
2 stops27h 00m
Deal found 3/8£1,027
Wed 9/906:10 -
2 stops41h 50m
Mon 14/911:05 -
2 stops37h 25m
Deal found 2/8£1,043
Mon 26/1006:30 -
3 stops38h 00m
Mon 14/1207:00 -
3 stops36h 30m
Deal found 3/8£1,056
Wed 16/906:15 -
2 stops28h 25m
Wed 23/917:20 -
2 stops31h 00m
Deal found 2/8£1,084
Sat 14/1108:50 -
3 stops34h 40m
Sat 28/1113:25 -
3 stops41h 45m
Deal found 4/8£1,114
Thu 3/906:10 -
2 stops32h 45m
Thu 10/900:25 -
2 stops29h 25m
Deal found 3/8£1,165
Fri 30/1013:35 -
2 stops33h 25m
Fri 4/1221:35 -
2 stops35h 25m
Deal found 1/8£1,195

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 6 August 2026.

Round-trip from

£846

One-way from

£380
29/10-18/11
  • 29/10-18/11
  • 6 total stops
  • 79h 05m total
  • Belfast to Australia
Search Deals
22/11
  • 22/11
  • 3 total stops
  • 53h 05m 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 6 August 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

BelfastPerth

BFS Belfast Intl - PER Perth

BFSPER

Belfast Intl

Thu 29/10

14:40-19:40

3 stops45h 00m

Perth

Wed 18/11

17:50-19:55

3 stops34h 05m

£846

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Tue 1/9

08:20-09:00

2 stops39h 40m

Sydney Kingsford Smith

Tue 15/9

11:00-14:00

2 stops36h 00m

£851

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Wed 16/9

15:40-06:10

2 stops29h 30m

Sydney Kingsford Smith

Wed 23/9

15:40-15:20

2 stops32h 40m

£974

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Sun 30/8

09:55-09:00

2 stops38h 05m

Sydney Kingsford Smith

Sun 6/9

11:00-20:15

2 stops42h 15m

£978

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Mon 7/9

06:10-19:25

2 stops28h 15m

Sydney Kingsford Smith

Sun 13/9

15:40-09:40

2 stops27h 00m

£1,027

BelfastBrisbane

BFS Belfast Intl - BNE Brisbane

BFSBNE

Belfast Intl

Wed 9/9

06:10-09:00

2 stops41h 50m

Brisbane

Mon 14/9

11:05-15:30

2 stops37h 25m

£1,043

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Sun 10/1

20:55-07:20

2 stops47h 25m

Sydney Kingsford Smith

Wed 20/1

12:00-19:35

2 stops42h 35m

£1,073

BelfastMelbourne

BFS Belfast Intl - MEL Melbourne

BFSMEL

Belfast Intl

Wed 16/9

06:15-19:40

2 stops28h 25m

Melbourne

Wed 23/9

17:20-15:20

2 stops31h 00m

£1,084

BelfastSydney

BFS Belfast Intl - SYD Sydney Kingsford Smith

BFSSYD

Belfast Intl

Sat 14/11

08:50-06:30

3 stops34h 40m

Sydney Kingsford Smith

Sat 28/11

13:25-20:10

3 stops41h 45m

£1,114

BelfastPerth

BFS Belfast Intl - PER Perth

BFSPER

Belfast Intl

Thu 3/9

06:10-21:55

2 stops32h 45m

Perth

Thu 10/9

00:25-22:50

2 stops29h 25m

£1,165

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 25 resultsSorted by cheapest first
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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 6 August 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
7.4
Good
3,737 reviews
Check prices

Food

7.3

Comfort

7.3

Overall

7.4

Boarding

7.5

Crew

7.9

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Steven,Aug 2026

DOH - BNE

It would be nice if the vegetarian meal option wasn't always tomato pasta. There are great middle eastern and Asian dishes.
Qatar Airways
7.4
Good
3,737 reviews
Qatar Airways
7.4
Good
3,737 reviews
Check prices

Food

7.3

Comfort

7.3

Overall

7.4

Boarding

7.5

Crew

7.9

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Steven,Aug 2026

DOH - BNE

It would be nice if the vegetarian meal option wasn't always tomato pasta. There are great middle eastern and Asian dishes.
British Airways
6.7
Okay
8,147 reviews
Qatar Airways
7.4
Good
3,737 reviews
Check prices

Food

7.3

Comfort

7.3

Overall

7.4

Boarding

7.5

Crew

7.9

Entertainment

7.3

Reviews

1 / 20
10.0
Excellent

Steven,Aug 2026

DOH - BNE

It would be nice if the vegetarian meal option wasn't always tomato pasta. There are great middle eastern and Asian dishes.

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 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest£498Average£1,349FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest£994Average£1,228FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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

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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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