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$625+ Cheap flights from Barcelona-El Prat (BCN) to Sydney (SYD)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SYD
Sep 7 — Sep 141
Sun 9/7
Sun 9/14
1 adult, Economy
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Cheapflights Tip: The best prices from Barcelona-El Prat to Sydney Kingsford Smith are usually found in March or May, booked 15 days in advance, depart on a Tuesday or Monday and return on a Monday

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 September 2, 2025.

Round-trip from

$918
(Mytrip)

One-way from

$625
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$1,454
From Barcelona-El Prat to Sydney Kingsford Smith
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One-way flight from Barcelona-El Prat to Sydney Kingsford Smith
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Highest demand for flights based on searches. 4% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT price).
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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 September 2, 2025.

This Mytrip deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:45 pmBCN - SYD
2 stops32h 15mMultiple Airlines
Thu 10/3012:00 pmSYD - BCN
2 stops34h 20mMultiple Airlines
Deal found 8/30$918
This Gotogate deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1910:55 amBCN - SYD
1 stop38h 05mChina Eastern
Tue 11/49:30 pmSYD - BCN
1 stop44h 10mChina Eastern
Deal found 9/1$1,075
This Priceline deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:20 amBCN - SYD
2 stops47h 55mMultiple Airlines
Tue 11/49:25 pmSYD - BCN
2 stops59h 50mMultiple Airlines
Deal found 9/1$1,092
This British Airways deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:35 pmBCN - SYD
2 stops30h 20mBritish Airways
Thu 12/44:20 pmSYD - BCN
2 stops36h 05mBritish Airways
Deal found 8/31$1,170
This British Airways deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:15 amBCN - SYD
2 stops33h 40mBritish Airways
Wed 12/34:20 pmSYD - BCN
2 stops31h 20mBritish Airways
Deal found 9/2$1,172

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 2, 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

Thu 10/23

4:45 pm-10:00 am

2 stops32h 15m

Sydney Kingsford Smith

Thu 10/30

12:00 pm-12:20 pm

2 stops34h 20m

$918

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 10/19

10:55 am-10:00 am

1 stop38h 05m

Sydney Kingsford Smith

Tue 11/4

9:30 pm-7:40 am

1 stop44h 10m

$1,075

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 10/19

6:20 am-3:15 pm

2 stops47h 55m

Sydney Kingsford Smith

Tue 11/4

9:25 pm-11:15 pm

2 stops59h 50m

$1,092

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 11/13

2:35 pm-6:55 am

2 stops30h 20m

Sydney Kingsford Smith

Tue 12/2

4:20 pm-2:45 pm

2 stops32h 25m

$1,170

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 2/2

5:00 pm-6:55 am

2 stops27h 55m

Sydney Kingsford Smith

Fri 2/27

4:20 pm-11:35 am

2 stops29h 15m

$1,170

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 11/17

5:00 pm-6:55 am

2 stops27h 55m

Sydney Kingsford Smith

Thu 12/4

4:20 pm-10:25 am

2 stops28h 05m

$1,170

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Wed 9/10

12:20 pm-7:20 am

2 stops59h 00m

$625

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Wed 10/15

12:20 pm-6:10 am

3 stops56h 50m

$636

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 12/20

1:20 pm-9:15 am

3 stops57h 55m

$637

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 10/16

5:45 pm-8:50 am

3 stops54h 05m

$666

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/31

Showing 1-10 of 15 results
1
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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 round-trip 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 round-trip flight from Barcelona-El Prat to Sydney. Price data was last updated on August 29, 2025.

The best time to book flights from Barcelona-El Prat Airport to Sydney is 15 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Sydney (average of $1,030). Flying from Barcelona-El Prat Airport to Sydney in December is currently the most expensive (average of $1,615). 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 September 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Barcelona-El Prat Airport to Sydney in the afternoon. If you’re flexible enough to do this you can expect to save up to 59% on your trip compared to booking a flight at noon.

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?

    China Eastern and British Airways can get you from Barcelona-El Prat Airport to Sydney in just under 27h 55m. Your travel time can differ by up to 10h 10m. There are 10674 mi between Barcelona-El Prat Airport and Sydney. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Sydney (average of $1,030). Flying from Barcelona-El Prat Airport to Sydney in December is currently the most expensive (average of $1,615). 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

Traveling to a place near Sydney?

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

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