$551 Cheap Flights from Barcelona (BCN) to Sydney (SYD)

View $551 flight on Sun, Nov 30, 2025Opens in a new window

Popular airlines from Barcelona El Prat Airport (BCN) to Sydney Airport (SYD)

Cheap Flights from Barcelona to Sydney (BCN-SYD)

Prices were available within the past 7 days and start at $551 for one-way flights and $921 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Tue, Nov 18 - Sat, Nov 29
BCN
Barcelona
SYD
Sydney
$921 Roundtrip, found 3 days ago
$921
Roundtrip
found 3 days ago
Select Air China flight, departing Tue, Nov 18 from Barcelona to Sydney, returning Sat, Nov 29, priced at $921 found 3 days ago
China Eastern Airlines
Tue, Oct 28 - Thu, Nov 13
BCN
Barcelona
SYD
Sydney
$938 Roundtrip, found 3 days ago
$938
Roundtrip
found 3 days ago
Select China Eastern Airlines flight, departing Tue, Oct 28 from Barcelona to Sydney, returning Thu, Nov 13, priced at $938 found 3 days ago
British Airways
Tue, Nov 11 - Tue, Nov 18
BCN
Barcelona
SYD
Sydney
$1,166 Roundtrip, found 5 days ago
$1,166
Roundtrip
found 5 days ago
Select British Airways flight, departing Tue, Nov 11 from Barcelona to Sydney, returning Tue, Nov 18, priced at $1,166 found 5 days ago
Austrian Airlines
Tue, Dec 2 - Sun, Jan 18
BCN
Barcelona
SYD
Sydney
$1,404 Roundtrip, found 4 days ago
$1,404
Roundtrip
found 4 days ago
Select Austrian Airlines flight, departing Tue, Dec 2 from Barcelona to Sydney, returning Sun, Jan 18, priced at $1,404 found 4 days ago
KLM
Wed, Nov 19 - Mon, Dec 8
BCN
Barcelona
SYD
Sydney
$1,457 Roundtrip, found 3 days ago
$1,457
Roundtrip
found 3 days ago
Select KLM flight, departing Wed, Nov 19 from Barcelona to Sydney, returning Mon, Dec 8, priced at $1,457 found 3 days ago
United
Thu, Sep 18 - Sun, Sep 21
BCN
Barcelona
SYD
Sydney
$1,465 Roundtrip, found 4 days ago
$1,465
Roundtrip
found 4 days ago
Select United flight, departing Thu, Sep 18 from Barcelona to Sydney, returning Sun, Sep 21, priced at $1,465 found 4 days ago
Cathay Pacific
Sat, May 2 - Sun, May 10
BCN
Barcelona
SYD
Sydney
$1,484 Roundtrip, found 5 days ago
$1,484
Roundtrip
found 5 days ago
Select Cathay Pacific flight, departing Sat, May 2 from Barcelona to Sydney, returning Sun, May 10, priced at $1,484 found 5 days ago
Etihad Airways
Sun, Nov 9 - Sun, Nov 16
BCN
Barcelona
SYD
Sydney
$1,504 Roundtrip, found 3 days ago
$1,504
Roundtrip
found 3 days ago
Select Etihad Airways flight, departing Sun, Nov 9 from Barcelona to Sydney, returning Sun, Nov 16, priced at $1,504 found 3 days ago
Lufthansa
Sat, May 2 - Sun, May 10
BCN
Barcelona
SYD
Sydney
$1,592 Roundtrip, found 5 days ago
$1,592
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Sat, May 2 from Barcelona to Sydney, returning Sun, May 10, priced at $1,592 found 5 days ago
Iberia
Tue, Dec 2 - Sun, Jan 18
BCN
Barcelona
SYD
Sydney
$1,606 Roundtrip, found 4 days ago
$1,606
Roundtrip
found 4 days ago
Select Iberia flight, departing Tue, Dec 2 from Barcelona to Sydney, returning Sun, Jan 18, priced at $1,606 found 4 days ago

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $2,112
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $2,112
Flights from Barcelona (BCN) to Sydney (SYD)
Origin airport
Barcelona Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air China, Air Europa, Asiana Airlines, British Airways, Cathay Pacific, China Eastern Airlines, Emirates, Etihad Airways, Finnair, Iberia, Japan Airlines, Korean Air, Lufthansa, Malaysia Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, T'way Air with baggage, Turkish Airlines
Roundtrip price
$921
Distance
10680 mi

Barcelona to Sydney Flights

The cheapest times to fly from Barcelona to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Barcelona to Sydney are during the month of November. You can find some of the cheapest flights from Barcelona to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Barcelona to Sydney

Sunday is one of the best days to book for cheap flights from Barcelona to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Barcelona to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Barcelona to Sydney in 2025. You can also book with separate airlines for your outbound and return journeys, from $551 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Barcelona to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Barcelona to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Barcelona Intl. Airport (BCN) to Kingsford Smith Intl. Airport (SYD) cost?
Grab a cheap one-way flight from $551 or cheap return flight from $921 from Barcelona Intl. Airport (BCN) to Kingsford Smith Intl. Airport (SYD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Barcelona Intl. Airport (BCN) to Kingsford Smith Intl. Airport (SYD)?
Flying in November is a great way to save, as it's the cheapest month for flights between BCN and SYD. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Barcelona Intl. Airport (BCN) to Kingsford Smith Intl. Airport (SYD)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BCN to SYD flight.
How many flights per day from Barcelona Intl. Airport (BCN) to Kingsford Smith Intl. Airport (SYD)?
Direct flights from Barcelona Intl. Airport (BCN) to Kingsford Smith Intl. Airport (SYD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BCN to SYD?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Barcelona Intl. Airport (BCN) to Kingsford Smith Intl. Airport (SYD)?
To arrive at Kingsford Smith Intl. Airport (SYD) on schedule, opt for a flight that leaves Barcelona Intl. Airport (BCN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Barcelona Intl. Airport (BCN) to Kingsford Smith Intl. Airport (SYD) last-minute?
Last-minute bookings from BCN to SYD are generally more expensive. To secure the lowest rates, start looking for flights well in advance. That being said, if you can play around with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book a BCN to SYD flight and hotel package?
Compared with arranging flights and hotels separately, booking a BCN to SYD flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the stress out of travel planning. Simply secure your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Barcelona Intl. Airport (BCN) to Kingsford Smith Intl. Airport (SYD)?
Typically, you can reschedule or cancel your BCN to SYD flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, head to our Customer Service portal.

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*Available to One Key members.