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Cheap flights from Barcelona-El Prat Airport to Sydney 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SYD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Barcelona-El Prat to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) 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 17 September 2025.

Round-trip from

£780

One-way from

£438

Popular in

July

Cheapest in

March

Average price

£1,061
30/10-6/11
  • 30/10-6/11
  • 6 total stops
  • 77h 05m total
  • Barcelona to Sydney
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Air China
  • Air China
  • 2/11
  • 1 total stop
  • 42h 05m total
  • Barcelona to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Barcelona-El Prat to Sydney

Cheapest flights from Barcelona-El Prat to Sydney
Explore the most affordable flight options available from Barcelona-El Prat to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Thu 30/1011:05BCN - SYD
3 stops35h 00mMultiple Airlines
Thu 6/1114:20SYD - BCN
3 stops42h 05mMultiple Airlines
Deal found 15/9£780
Sat 1/1111:05BCN - SYD
3 stops35h 00mMultiple Airlines
Sat 8/1114:20SYD - BCN
3 stops43h 00mMultiple Airlines
Deal found 17/9£851
Fri 12/1211:25BCN - SYD
1 stop42h 05mAir China
Thu 8/120:40SYD - BCN
1 stop44h 55mAir China
Deal found 17/9£867
Fri 7/1106:40BCN - SYD
2 stops38h 15mBritish Airways
Thu 20/1116:20SYD - BCN
2 stops29h 05mBritish Airways
Deal found 15/9£897
Sat 13/1211:25BCN - SYD
1 stop42h 05mMultiple Airlines
Mon 12/120:05SYD - BCN
2 stops46h 45mMultiple Airlines
Deal found 17/9£928

Cheapflights Fare Finder

 
Customise your flight search to find flights from Barcelona-El Prat 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 17 September 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Sydney that are best for you.

Fly from

Barcelona-El Prat

Fly to

Sydney

Route

Depart

Return

Price

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 13/12

11:25-15:30

1 stop42h 05m

Sydney Kingsford Smith

Thu 8/1

20:40-07:35

1 stop44h 55m

£867

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 12/12

11:25-15:30

1 stop42h 05m

Sydney Kingsford Smith

Sun 11/1

20:40-07:35

1 stop44h 55m

£867

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 1/11

22:10-15:30

2 stops55h 20m

Sydney Kingsford Smith

Sat 8/11

21:30-18:35

1 stop31h 05m

£917

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 21/2

14:25-19:20

2 stops42h 55m

Sydney Kingsford Smith

Sat 7/3

21:15-13:25

2 stops26h 10m

£957

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 26/10

17:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Mon 10/11

16:20-13:40

2 stops31h 20m

£961

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Wed 21/1

07:40-19:20

2 stops25h 40m

Sydney Kingsford Smith

Fri 17/4

21:10-17:05

2 stops27h 55m

£973

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Wed 21/1

07:40-19:20

2 stops25h 40m

Sydney Kingsford Smith

Thu 16/4

21:10-13:40

2 stops48h 30m

£976

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 12/12

11:25-15:30

1 stop42h 05m

Sydney Kingsford Smith

Fri 9/1

08:10-09:05

2 stops34h 55m

£978

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 13/12

11:25-15:30

1 stop42h 05m

Sydney Kingsford Smith

Sat 10/1

20:40-07:35

1 stop44h 55m

£996

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 14/12

13:25-10:00

2 stops34h 35m

Sydney Kingsford Smith

Sat 10/1

21:50-00:10

3 stops36h 20m

£1,013

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 18 results
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Best time to book a flight from Barcelona-El Prat to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Barcelona-El Prat 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 Barcelona-El Prat Airport to Sydney

How far ahead should I book a flight from Barcelona-El Prat Airport to Sydney?

Use this chart to determine the optimal time to book a return flight from Barcelona-El Prat to Sydney. Price data was last updated on 12 September 2025.

The price you pay for your flight from Barcelona-El Prat Airport to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 15 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Barcelona-El Prat Airport to Sydney?

Currently, May is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Sydney (average of £985). Flying from Barcelona-El Prat Airport to Sydney in July is currently the most expensive (average of £1,726). 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 BCN to SYD?

Find hourly flight availability from Barcelona-El Prat 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 17 September 2025.

It’s optimal to fly from Barcelona-El Prat Airport to Sydney at midday. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat 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 Barcelona-El Prat?

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

  • How long is the flight from Barcelona-El Prat Airport to Sydney?

    A quick flight from Barcelona-El Prat Airport to Sydney can take about 25h 40m. Air China provides one of the quickest options available for as low as £957. Airlines will cover a distance of 10674 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Barcelona-El Prat to Sydney that include hotel bookings?

    Yes. In addition to deals on Barcelona-El Prat to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Barcelona-El Prat to Sydney?

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

  • Can I find deals for business class flights from Barcelona-El Prat to Sydney?

    Yes. Cheapflights offers flight deals from Barcelona-El Prat 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 Barcelona-El Prat Airport to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Sydney (average of £985). Flying from Barcelona-El Prat Airport to Sydney in July is currently the most expensive (average of £1,726). 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 Sydney?

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

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How does Cheapflights help users find flights from Barcelona-El Prat to Sydney?

When you search for this flight from Barcelona-El Prat to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Barcelona-El Prat to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Barcelona-El Prat to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Barcelona-El Prat to Sydney with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Barcelona-El Prat to Sydney, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Barcelona-El Prat to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Barcelona-El Prat today and book when prices fit your budget.

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