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Cheap flights from Belfast City Airport to Sydney from £510

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SYD
10 Jul — 17 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast City to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Belfast City to Sydney
Explore the most affordable flight options available from Belfast City to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 June 2026.

Tue 3/1109:40
BHD
-
SYD
2 stops35h 15m
KLM
Fri 13/1110:25
SYD
-
BHD
2 stops33h 45m
KLM
Deal found 7/6£1,170
Thu 12/1111:05
BHD
-
SYD
2 stops32h 45m
Qatar Airways
Mon 16/1121:40
SYD
-
BHD
2 stops45h 45m
Qatar Airways
Deal found 8/6£1,271
Thu 6/807:00
BHD
-
SYD
2 stops62h 10m
Qatar Airways
Wed 12/814:50
SYD
-
BHD
2 stops27h 30m
Qatar Airways
Deal found 5/6£1,274
Thu 12/1109:05
BHD
-
SYD
2 stops35h 50m
British Airways
Mon 16/1115:15
SYD
-
BHD
2 stops30h 25m
British Airways
Deal found 7/6£1,294
Sun 8/1112:10
BHD
-
SYD
2 stops31h 40m
Qatar Airways
Thu 12/1121:40
SYD
-
BHD
2 stops45h 45m
Qatar Airways
Deal found 8/6£1,296
Fri 13/1114:50
BHD
-
SYD
2 stops43h 00m
British Airways
Tue 17/1108:45
SYD
-
BHD
2 stops36h 45m
British Airways
Deal found 5/6£1,302
Sat 1/818:20
BHD
-
SYD
2 stops50h 50m
Qatar Airways
Sat 15/814:50
SYD
-
BHD
2 stops27h 30m
Qatar Airways
Deal found 9/6£1,559

Find flight deals from Belfast City to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Belfast City (BHD) 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 10 June 2026.

Round-trip from

£1,170

One-way from

£510

Popular in

December

Cheapest in

November

Average price

£1,208
KLM
  • KLM
  • 3/11-13/11
  • 4 total stops
  • 69h 00m total
  • Belfast to Sydney
Search Deals
21/9
  • 21/9
  • 3 total stops
  • 48h 40m total
  • Belfast to Sydney
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast City 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 10 June 2026.
Use the filters below to find and compare flights from Belfast City Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 3/11

09:40-07:55

2 stops35h 15m

Sydney Kingsford Smith

Fri 13/11

10:25-09:10

2 stops33h 45m

£1,170

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 12/11

11:05-06:50

2 stops32h 45m

Sydney Kingsford Smith

Mon 16/11

21:40-08:25

2 stops45h 45m

£1,271
Fastest return journey

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 12/11

09:05-07:55

2 stops35h 50m

Sydney Kingsford Smith

Mon 16/11

15:15-10:40

2 stops30h 25m

£1,294

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sun 8/11

12:10-06:50

2 stops31h 40m

Sydney Kingsford Smith

Thu 12/11

21:40-08:25

2 stops45h 45m

£1,296

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 1/8

18:20-06:10

2 stops50h 50m

Sydney Kingsford Smith

Sat 15/8

14:50-09:20

2 stops27h 30m

£1,559

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Sat 1/8

09:50-09:40

3 stops38h 50m

Sydney Kingsford Smith

Sat 15/8

09:50-09:20

2 stops56h 30m

£2,350
Cheapest one-way

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 21/9

09:40-19:20

3 stops48h 40m

£510
Fastest single journey

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 21/9

10:45-06:05

1 stop34h 20m

£2,010

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Sorted by cheapest first

Best time to book a flight from Belfast City to Sydney

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

How much does it cost for a return flight from Belfast City Airport to Sydney?

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 10 June 2026.
Read through reviews of airlines operating flights from Belfast City Airport to Sydney, such as British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,031 reviews
Check prices

Crew

7.7

Overall

6.7

Food

6.4

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.
British Airways
6.7
Okay
8,031 reviews
British Airways
6.7
Okay
8,031 reviews
Check prices

Crew

7.7

Overall

6.7

Food

6.4

Entertainment

6.4

Boarding

6.9

Comfort

6.8

Reviews

1 / 20
6.0
Good

David,Jan 2026

LHR - MAD

It was a very old and tried plane. Lots of duck tape holding things together. Staff and food very good. Boarding was chaos at Madrid. Arrival in Lima swift and effective.

Related info for your journey

Find useful and relevant information for your journey from Belfast City 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 City?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from Belfast City. On average, Kingsford Smith has 0 inbound flights from Belfast City per day from 1 airline. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

  • How long is the flight from Belfast City Airport to Sydney?

    There are many flights that can get you from Belfast City Airport to Sydney in 32h 45m. Fly via KLM, Qatar Airways, or British Airways to get the fastest option. Airlines will cover a distance of 10622 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Belfast City Airport to Sydney round-trip?

    Our cheapest airline available from Belfast City Airport to Sydney is British Airways. Our recent data shows that you can find tickets from as low as £1,061 on this airline. You may be able to fly from Belfast City Airport to Sydney for 12% less than the average price by searching for this airline.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Belfast City 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.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Parramatta
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Belfast City 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 Coolangatta flights

Top airline flying from Belfast City to Sydney

Discover the top airline that operate flights from Belfast City 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 10 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£1,061Average£1,207FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Belfast City to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Belfast City 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 City to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Belfast City shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Belfast City to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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