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$433+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — SYD
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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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 February 23, 2026.

This China Eastern deal was found by Cheapflights users on 2/21. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:55 am
BCN
-
SYD
1 stop38h 05m
China Eastern
Tue 5/1211:00 am
SYD
-
BCN
1 stop29h 05m
China Eastern
Deal found 2/21$797
This China Eastern deal was found by Cheapflights users on 2/20. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:55 am
BCN
-
SYD
3 stops37h 05m
China Eastern
Tue 6/911:00 am
SYD
-
BCN
1 stop29h 05m
China Eastern
Deal found 2/20$803
This China Eastern deal was found by Cheapflights users on 2/22. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:55 am
BCN
-
SYD
1 stop38h 05m
China Eastern
Mon 5/1810:00 am
SYD
-
BCN
3 stops54h 05m
China Eastern
Deal found 2/22$805
This China Eastern deal was found by Cheapflights users on 2/22. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:55 am
BCN
-
SYD
1 stop38h 05m
China Eastern
Tue 6/211:00 am
SYD
-
BCN
1 stop29h 05m
China Eastern
Deal found 2/22$833
This China Eastern deal was found by Cheapflights users on 2/20. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:55 am
BCN
-
SYD
3 stops61h 05m
China Eastern
Sun 5/2411:00 am
SYD
-
BCN
1 stop29h 05m
China Eastern
Deal found 2/20$838
This China Eastern deal was found by Cheapflights users on 2/20. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:55 am
BCN
-
SYD
1 stop41h 40m
China Eastern
Tue 6/3011:00 am
SYD
-
BCN
1 stop29h 05m
China Eastern
Deal found 2/20$1,037
This China Eastern deal was found by Cheapflights users on 2/20. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:55 am
BCN
-
SYD
1 stop41h 40m
China Eastern
Wed 6/2411:00 am
SYD
-
BCN
1 stop29h 05m
China Eastern
Deal found 2/20$1,041
This China Eastern deal was found by Cheapflights users on 2/20. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/810:55 am
BCN
-
SYD
1 stop41h 40m
China Eastern
Sun 6/2810:05 am
SYD
-
BCN
2 stops54h 00m
China Eastern
Deal found 2/20$1,045
This China Eastern deal was found by Cheapflights users on 2/20. 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 China Eastern is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:55 am
BCN
-
SYD
2 stops37h 05m
China Eastern
Sat 6/2710:00 am
SYD
-
BCN
2 stops54h 05m
China Eastern
Deal found 2/20$1,052

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 February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$797
(China Eastern)

One-way from

$433
(Kiwi.com)

Popular in

July

Cheapest in

May

Average price

$1,457
Provider with most accurate pricing for Barcelona-El Prat-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Barcelona-El Prat-Sydney Kingsford Smith flights.
Search Deals
From Barcelona-El Prat to Sydney Kingsford Smith
Search Deals
One-way flight from Barcelona-El Prat to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 23, 2026.
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 5/7

6:20 am-9:00 am

2 stops42h 40m

Sydney Kingsford Smith

Tue 5/12

11:00 am-8:05 am

1 stop29h 05m

$1,111

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 6/1

10:55 am-12:35 pm

1 stop41h 40m

Sydney Kingsford Smith

Tue 6/23

11:00 am-8:05 am

1 stop29h 05m

$1,191

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 4/23

7:40 am-6:05 am

2 stops38h 25m

Sydney Kingsford Smith

Fri 5/1

2:35 pm-12:20 pm

2 stops29h 45m

$1,330

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 3/6

10:00 am-5:55 pm

1 stop21h 55m

Sydney Kingsford Smith

Fri 3/13

4:35 pm-6:35 pm

1 stop36h 00m

$1,472

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 3/9

11:00 am-7:00 am

2 stops34h 00m

Sydney Kingsford Smith

Sun 3/22

12:10 pm-9:00 am

2 stops30h 50m

$1,491

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Tue 6/2

10:30 pm-4:50 pm

1 stop34h 20m

Sydney Kingsford Smith

Tue 6/30

3:40 pm-7:15 pm

1 stop35h 35m

$1,527

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 4/23

1:00 pm-6:10 am

1 stop33h 10m

Sydney Kingsford Smith

Fri 5/1

10:10 am-10:50 am

2 stops32h 40m

$1,593

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 3/28

10:30 am-8:00 am

2 stops59h 30m

Sydney Kingsford Smith

Sat 4/18

9:30 am-1:15 pm

2 stops35h 45m

$1,609

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 3/9

10:05 am-7:25 am

2 stops35h 20m

Sydney Kingsford Smith

Sun 3/22

11:15 am-7:55 pm

2 stops42h 40m

$1,687

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 3/5

5:30 pm-9:15 am

1 stop29h 45m

Sydney Kingsford Smith

Sun 3/8

12:10 pm-9:00 am

2 stops30h 50m

$1,692

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-Sydney flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 February 20, 2026.

The best time to book flights from Barcelona-El Prat Airport to Sydney is 41 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 $766). Flying from Barcelona-El Prat Airport to Sydney in August is currently the most expensive (average of $1,283). 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 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 February 23, 2026.
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
7.3
Good
1,413 reviews

Food

7.2

Entertainment

7.2

Boarding

7.6

Overall

7.3

Comfort

7.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Eric,Feb 2026

AUH - SYD

Excellent ground a flight staff. So polite and helpful. No criticism to offer..
Etihad Airways
7.3
Good
1,413 reviews
Etihad Airways
7.3
Good
1,413 reviews

Food

7.2

Entertainment

7.2

Boarding

7.6

Overall

7.3

Comfort

7.3

Crew

7.8

Reviews

1 / 20
10.0
Excellent

Eric,Feb 2026

AUH - SYD

Excellent ground a flight staff. So polite and helpful. No criticism to offer..

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?

    China Eastern and British Airways can get you from Barcelona-El Prat Airport to Sydney in just under 31h. Your travel time can differ by up to 7h 05m. 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 ($1,459), offers the cheapest pricing from Barcelona-El Prat Airport to Sydney. Etihad Airways is currently priced 4% below the average price you’ll pay for this route.

  • 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 $766). Flying from Barcelona-El Prat Airport to Sydney in August is currently the most expensive (average of $1,283). 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$1,459Average$1,601FlexibilityNo cancel feeOn-time75%

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