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Cheap flights from Belfast to Sydney from £378

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Belfast to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Belfast (BF1) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2025.

Round-trip from

£790

One-way from

£378

Popular in

July

Cheapest in

April

Average price

£1,180
28/5-14/6
  • 28/5-14/6
  • 4 total stops
  • 99h 20m total
  • Belfast to Sydney
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6/5
  • 6/5
  • 3 total stops
  • 49h 25m total
  • Belfast to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£123 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£35 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Find flight deals from Belfast to Sydney

Cheapest flights from Belfast to Sydney
Explore the most affordable flight options available from Belfast to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Wed 28/506:00BFS - SYD
2 stops45h 35mMultiple Airlines
Sat 14/611:00SYD - BFS
2 stops53h 45mMultiple Airlines
Deal found 20/2£790
Wed 28/518:15BHD - SYD
2 stops40h 25mMultiple Airlines
Sat 14/610:05SYD - BHD
2 stops56h 00mMultiple Airlines
Deal found 20/2£823
Tue 11/317:20BHD - SYD
2 stops27h 10mKLM
Tue 1/414:05SYD - BHD
2 stops36h 50mKLM
Deal found 20/2£1,080
Tue 17/620:20BHD - SYD
2 stops35h 50mBritish Airways
Tue 8/714:40SYD - BHD
2 stops27h 20mBritish Airways
Deal found 19/2£1,117
Tue 13/518:15BHD - SYD
2 stops30h 45mMalaysia Airlines
Wed 3/922:10SYD - BHD
2 stops31h 35mMalaysia Airlines
Deal found 20/2£1,198

Find flights from Belfast to Sydney within your budget

Customise your flight search to find flights from Belfast to Sydney 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 21 February 2025.

Fly from

Belfast

Fly to

Sydney

Route

Depart

Return

Price

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 28/5

06:00-12:35

2 stops45h 35m

Sydney Kingsford Smith

Sat 14/6

11:00-07:45

2 stops53h 45m

£790

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 28/5

18:15-19:40

2 stops40h 25m

Sydney Kingsford Smith

Sat 14/6

10:05-09:05

2 stops56h 00m

£823

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 11/3

17:20-07:30

2 stops27h 10m

Sydney Kingsford Smith

Tue 1/4

14:05-16:55

2 stops36h 50m

£1,080

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 17/6

20:20-17:10

2 stops35h 50m

Sydney Kingsford Smith

Tue 8/7

14:40-09:00

2 stops27h 20m

£1,117

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 13/5

18:15-10:00

2 stops30h 45m

Sydney Kingsford Smith

Wed 3/9

22:10-20:45

2 stops31h 35m

£1,198

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 6/5

09:05-19:30

3 stops49h 25m

£378

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 8/5

07:05-19:30

3 stops51h 25m

£408

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 8/5

14:15-17:10

2 stops65h 55m

£690

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 12/8

20:20-19:35

2 stops38h 15m

£719

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 8/5

09:35-05:10

1 stop34h 35m

£838

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 11 results
1
2

Best time to book a flight from Belfast to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Belfast 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.

Travel insights for flights from Belfast to Sydney

Get recent, data-driven insights about flights from Belfast to Sydney including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Belfast to Sydney?

Currently, May is the cheapest month in which you can book a flight from Belfast to Sydney (average of £985). Flying from Belfast to Sydney in July is currently the most expensive (average of £1,728). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BFS to SYD?

Find hourly flight availability from Belfast to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

One of the essential ways to save on airfare from Belfast to Sydney is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 21 February 2025.
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Qatar Airways
7.4
Good
3,609 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Qantas Airways
7.4
Good
813 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Malaysia Airlines
7.4
Good
263 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

British Airways
6.6
Okay
6,762 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Belfast?

    Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly into when you book flights from Belfast to Sydney. 2 airlines have flights to Kingsford Smith from Belfast on a regular basis. Booking flights from Belfast to Sydney Kingsford Smith should not be difficult; the airport handles an average of 0 inbound flights from Belfast per day.

  • What are the cheapest airlines flying from Belfast to Sydney round-trip?

    According to our current data, KLM (£1,080), British Airways (£1,117), and Malaysia Airlines (£1,198) offers the cheapest pricing from Belfast to Sydney. KLM is priced at 19% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Belfast to Sydney one-way?

    To fly one-way, consider booking your trip with Qatar Airways, which is currently one of the cheapest options available, starting at £690. Malaysia Airlines flights start at £719 while deals on Qantas Airways start at £838 one-way.

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

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

  • How can I find direct flights from Belfast to Sydney?

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

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

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

  • What is the cheapest month to book a flight from Belfast to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Belfast to Sydney (average of £985). Flying from Belfast to Sydney in July is currently the most expensive (average of £1,728). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Bondi Beach
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to Sydney flights
Belfast City to Sydney flights
Belfast City to Coolangatta flights

Top 2 airlines flying from Belfast to Sydney

Discover the top 2 airlines that operate flights from Belfast to Sydney. 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£900Average£984FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£1,058Average£1,290FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast to Sydney?

Deals for Belfast to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Belfast to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Belfast to Sydney become cheaper?

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

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