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$563+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SYD
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Find cheap flights from Barcelona-El Prat to Sydney with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Barcelona-El Prat to Sydney Kingsford Smith are usually found in May or March, booked 83 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap 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 December 17, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:00 amBCN - SYD
2 stops34h 00mUnited Airlines
Fri 1/911:50 amSYD - BCN
2 stops31h 10mUnited Airlines
Deal found 12/17$1,887
This Etihad Airways deal was found by Cheapflights users on 12/16. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/239:50 pmBCN - SYD
1 stop34h 05mEtihad Airways
Sat 1/39:30 pmSYD - BCN
1 stop43h 35mEtihad Airways
Deal found 12/16$2,275
This Etihad Airways deal was found by Cheapflights users on 12/17. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:50 pmBCN - SYD
1 stop34h 05mEtihad Airways
Tue 1/64:35 pmSYD - BCN
1 stop24h 30mEtihad Airways
Deal found 12/17$2,277
This Qatar Airways deal was found by Cheapflights users on 12/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:35 amBCN - SYD
1 stop24h 15mQatar Airways
Tue 1/68:00 pmSYD - BCN
2 stops27h 25mQatar Airways
Deal found 12/16$2,299
This Etihad Airways deal was found by Cheapflights users on 12/16. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:50 pmBCN - SYD
1 stop34h 05mEtihad Airways
Sat 1/39:30 pmSYD - BCN
1 stop43h 35mEtihad Airways
Deal found 12/16$2,376
This Etihad Airways deal was found by Cheapflights users on 12/16. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:50 pmBCN - SYD
1 stop22h 45mEtihad Airways
Fri 1/29:30 pmSYD - BCN
1 stop43h 35mEtihad Airways
Deal found 12/16$2,569
This Etihad Airways deal was found by Cheapflights users on 12/16. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:50 pmBCN - SYD
1 stop22h 45mEtihad Airways
Fri 1/29:30 pmSYD - BCN
1 stop31h 05mEtihad Airways
Deal found 12/16$2,598
This Qatar Airways deal was found by Cheapflights users on 12/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:15 pmBCN - SYD
2 stops24h 25mQatar Airways
Fri 1/29:40 pmSYD - BCN
1 stop33h 05mQatar Airways
Deal found 12/16$2,614
This KLM deal was found by Cheapflights users on 12/17. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/211:00 pmBCN - SYD
3 stops32h 30mMultiple Airlines
Fri 1/212:00 pmSYD - BCN
2 stops36h 00mMultiple Airlines
Deal found 12/17$2,757

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 December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,224
(British Airways)

One-way from

$563
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$1,636
Provider with most accurate pricing for Barcelona-El Prat-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Barcelona-El Prat-Sydney Kingsford Smith flights.
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From Barcelona-El Prat to Sydney Kingsford Smith
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One-way flight from Barcelona-El Prat to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 17, 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

Wed 2/4

2:35 pm-6:55 am

2 stops30h 20m

Sydney Kingsford Smith

Sun 4/26

10:10 am-2:15 pm

2 stops36h 05m

$1,360

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 2/5

12:15 pm-6:55 am

2 stops32h 40m

Sydney Kingsford Smith

Sat 4/25

2:05 pm-12:00 pm

2 stops29h 55m

$1,405

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 2/21

9:50 pm-6:35 am

1 stop22h 45m

Sydney Kingsford Smith

Sat 3/7

9:45 pm-6:35 pm

1 stop30h 50m

$1,464

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 3/2

10:00 am-5:55 pm

1 stop21h 55m

Sydney Kingsford Smith

Thu 3/19

9:45 pm-6:35 pm

1 stop30h 50m

$1,465

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 2/1

11:00 am-6:20 am

2 stops57h 20m

Sydney Kingsford Smith

Thu 2/12

12:10 pm-9:00 am

2 stops30h 50m

$1,474

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 3/7

9:50 pm-6:35 am

1 stop22h 45m

Sydney Kingsford Smith

Sat 4/11

9:30 pm-7:35 am

1 stop42h 05m

$1,488

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 1/31

1:00 pm-7:25 am

3 stops32h 25m

Sydney Kingsford Smith

Sat 2/7

12:45 pm-10:25 am

3 stops31h 40m

$1,641

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Wed 1/7

11:00 am-9:15 am

2 stops36h 15m

Sydney Kingsford Smith

Fri 1/23

2:00 pm-9:00 am

2 stops53h 00m

$1,681

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 1/10

11:00 am-9:15 am

2 stops36h 15m

Sydney Kingsford Smith

Tue 1/27

12:10 pm-9:00 am

2 stops30h 50m

$1,681

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 1/8

11:00 am-9:05 am

2 stops36h 05m

Sydney Kingsford Smith

Tue 1/27

11:50 am-9:00 am

2 stops31h 10m

$1,681

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 results
1
2

Compare providers for flights from Barcelona-El Prat to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Barcelona-El Prat to Sydney in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Barcelona-El Prat Airport-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Barcelona-El Prat Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 12, 2025.

The best time to book flights from Barcelona-El Prat Airport to Sydney is 83 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, July is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Sydney (average of $914). Flying from Barcelona-El Prat Airport to Sydney in December is currently the most expensive (average of $1,167). 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 December 17, 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 58% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Barcelona-El Prat 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 December 17, 2025.
Read through reviews of airlines operating flights from Barcelona-El Prat Airport to Sydney, such as Etihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Etihad Airways
7.4
Good
1,332 reviews

Overall

7.4

Boarding

7.6

Crew

7.8

Comfort

7.3

Food

7.2

Entertainment

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMD - AUH

Etihad charged me for 2 check in bags. On Kayak search results price was showing 2 check in bags were included. Kayak need to reimburse me for these additional charges and metal agony and distress. Thanks.
Etihad Airways
7.4
Good
1,332 reviews
Etihad Airways
7.4
Good
1,332 reviews

Overall

7.4

Boarding

7.6

Crew

7.8

Comfort

7.3

Food

7.2

Entertainment

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMD - AUH

Etihad charged me for 2 check in bags. On Kayak search results price was showing 2 check in bags were included. Kayak need to reimburse me for these additional charges and metal agony and distress. Thanks.

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 1 airline. 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?

    British Airways and Etihad Airways can get you from Barcelona-El Prat Airport to Sydney in just under 22h 45m. Your travel time can differ by up to 15h 30m. 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.

  • What is the cheapest airline to fly from Barcelona-El Prat Airport to Sydney round-trip?

    According to our current data, Etihad Airways ($1,601), offers the cheapest pricing from Barcelona-El Prat Airport to Sydney.

  • 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, July is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Sydney (average of $914). Flying from Barcelona-El Prat Airport to Sydney in December is currently the most expensive (average of $1,167). 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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Top airline flying from Barcelona-El Prat to Sydney

Discover the top airline that operate flights from Barcelona-El Prat 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 2,558,603 searches. Data last updated December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,601Average$1,601FlexibilityNo cancel feeOn-time75%

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