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Cheap flights from Barcelona-El Prat Airport to Sydney from £434

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SYD
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Barcelona-El Prat to Sydney

Enter your travel dates to find the best prices.

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 4 August 2026.

Mon 24/810:55
BCN
-
SYD
1 stop41h 40m
China Eastern
Mon 7/920:30
SYD
-
BCN
1 stop43h 35m
China Eastern
Deal found 31/7£798
Wed 30/910:55
BCN
-
SYD
3 stops61h 05m
China Eastern
Sun 1/1112:00
SYD
-
BCN
1 stop29h 40m
China Eastern
Deal found 1/8£803
Wed 30/1210:20
BCN
-
SYD
1 stop35h 00m
China Eastern
Tue 9/212:00
SYD
-
BCN
1 stop29h 40m
China Eastern
Deal found 31/7£812
Wed 26/810:55
BCN
-
SYD
1 stop41h 40m
China Eastern
Mon 7/920:30
SYD
-
BCN
1 stop43h 35m
China Eastern
Deal found 31/7£815
Wed 30/1210:20
BCN
-
SYD
1 stop35h 00m
China Eastern
Sun 7/211:10
SYD
-
BCN
2 stops54h 30m
China Eastern
Deal found 31/7£818
Thu 20/810:55
BCN
-
SYD
2 stops37h 05m
China Eastern
Mon 7/920:30
SYD
-
BCN
1 stop43h 35m
China Eastern
Deal found 31/7£871
Fri 23/1010:55
BCN
-
SYD
1 stop41h 40m
China Eastern
Fri 13/1112:00
SYD
-
BCN
1 stop29h 40m
China Eastern
Deal found 3/8£880
Thu 22/1010:55
BCN
-
SYD
2 stops37h 05m
China Eastern
Fri 13/1112:00
SYD
-
BCN
1 stop29h 40m
China Eastern
Deal found 3/8£886
Fri 21/810:40
BCN
-
SYD
1 stop35h 30m
Etihad Airways
Wed 30/915:40
SYD
-
BCN
1 stop23h 55m
Etihad Airways
Deal found 30/7£907
Mon 24/810:55
BCN
-
SYD
1 stop41h 40m
China Eastern
Wed 9/911:00
SYD
-
BCN
2 stops43h 45m
China Eastern
Deal found 31/7£909
Fri 21/810:40
BCN
-
SYD
1 stop35h 30m
Etihad Airways
Thu 10/920:50
SYD
-
BCN
1 stop30h 30m
Etihad Airways
Deal found 31/7£911

Find 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 4 August 2026.

Round-trip from

£798

One-way from

£434

Popular in

July

Cheapest in

June

Average price

£1,175
China Eastern
  • China Eastern
  • 24/8-7/9
  • 2 total stops
  • 85h 15m total
  • Barcelona to Sydney
Search Deals
China Eastern
  • China Eastern
  • 29/11
  • 3 total stops
  • 60h 45m total
  • Barcelona to Sydney
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

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 4 August 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 21/8

10:40-06:10

1 stop35h 30m

Sydney Kingsford Smith

Wed 30/9

15:40-07:35

1 stop23h 55m

£907

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Tue 27/10

10:20-13:35

1 stop41h 15m

Sydney Kingsford Smith

Thu 12/11

21:30-22:55

2 stops35h 25m

£987
Fastest return journey

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 6/11

22:15-06:50

1 stop22h 35m

Sydney Kingsford Smith

Tue 10/11

11:00-07:05

2 stops30h 05m

£992

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Wed 2/9

10:55-08:00

3 stops37h 05m

Sydney Kingsford Smith

Sun 6/9

20:30-10:15

2 stops45h 45m

£1,064

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 22/8

10:05-06:45

2 stops36h 40m

Sydney Kingsford Smith

Mon 7/9

07:40-20:05

2 stops44h 25m

£1,068

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 22/10

09:15-22:20

2 stops28h 05m

Sydney Kingsford Smith

Sun 15/11

15:50-07:05

1 stop25h 15m

£1,075

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 6/11

07:30-06:55

2 stops37h 25m

Sydney Kingsford Smith

Tue 10/11

16:20-13:10

2 stops30h 50m

£1,125

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 23/10

07:30-07:05

2 stops38h 35m

Sydney Kingsford Smith

Wed 18/11

16:20-13:10

2 stops30h 50m

£1,190

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 28/8

09:15-10:00

2 stops40h 45m

Sydney Kingsford Smith

Thu 10/9

14:50-21:15

1 stop38h 25m

£1,213

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 11/10

17:20-07:30

3 stops29h 10m

Sydney Kingsford Smith

Sun 18/10

15:45-14:50

2 stops32h 05m

£1,264

Flights are sorted by cheapest return flights first.

Deals found on 2/8

Showing 1-10 of 23 resultsSorted by cheapest first
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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?

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 40 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, June is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Sydney (average of £866). Flying from Barcelona-El Prat Airport to Sydney in July is currently the most expensive (average of £1,449). 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.

How much does it cost for a return flight from Barcelona-El Prat Airport to Sydney?

Airfare is below average for this route at the moment.

Barcelona-El Prat Airport to Sydney flights typically cost between £1,077 and £1,299 in August.
The cheapest return price found within the last 5 days was £798 on China Eastern (24 Aug–7 Sept).

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 22h 35m. China Eastern provides one of the quickest options available for as low as £992. 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, June is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Sydney (average of £866). Flying from Barcelona-El Prat Airport to Sydney in July is currently the most expensive (average of £1,449). 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

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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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