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Cheap flights from Barcelona to Sydney from $829

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona to Sydney departing on 12/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:40 - 14:15BCN-SYD
66h 35m2 stops
Multiple Airlines Logo
20:20 - 23:15SYD-BCN
58h 55m2 stops
$1,533Multiple Airlines
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Wed, 29 Apr - Wed, 27 May
Multiple Airlines Logo
13:50 - 20:00BCN-SYD
46h 10m2 stops
Multiple Airlines Logo
19:40 - 08:35SYD-BCN
44h 55m1 stop
$1,551Multiple Airlines
Find Deal
Thu, 7 May - Thu, 21 May
Multiple Airlines Logo
06:30 - 19:30BCN-SYD
53h 00m2 stops
Multiple Airlines Logo
19:40 - 08:35SYD-BCN
44h 55m1 stop
$1,591Multiple Airlines
Find Deal
Tue, 28 Apr - Thu, 21 May
Multiple Airlines Logo
05:45 - 11:35BCN-SYD
45h 50m2 stops
Multiple Airlines Logo
19:40 - 08:35SYD-BCN
44h 55m1 stop
$1,594Multiple Airlines
Find Deal
Sun, 26 Apr - Thu, 21 May
Air China Logo
11:25 - 15:30BCN-SYD
42h 05m1 stop
Air China Logo
20:40 - 07:35SYD-BCN
44h 55m1 stop
$1,616Air China
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Fri, 13 Mar - Tue, 17 Mar
Multiple Airlines Logo
06:20 - 14:40BCN-SYD
46h 20m2 stops
Multiple Airlines Logo
21:25 - 15:55SYD-BCN
52h 30m2 stops
$1,631Multiple Airlines
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Sun, 15 Mar - Thu, 26 Mar
Multiple Airlines Logo
11:40 - 14:40BCN-SYD
65h 00m2 stops
Multiple Airlines Logo
21:25 - 23:15SYD-BCN
59h 50m2 stops
$1,633Multiple Airlines
Find Deal
Mon, 9 Feb - Thu, 12 Mar
Air China Logo
11:25 - 15:30BCN-SYD
42h 05m1 stop
Air China Logo
20:40 - 07:35SYD-BCN
44h 55m1 stop
$1,659Air China
Find Deal
Sun, 30 Nov - Sat, 13 Dec
Air China Logo
16:20 - 14:50BCN-SYD
38h 30m2 stops
Air China Logo
19:40 - 08:35SYD-BCN
44h 55m1 stop
$1,662Air China
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Thu, 7 May - Tue, 12 May
Air China Logo
11:25 - 15:30BCN-SYD
42h 05m1 stop
Air China Logo
20:40 - 07:35SYD-BCN
44h 55m1 stop
$1,671Air China
Find Deal
Mon, 9 Feb - Tue, 10 Mar

Air China flights from Barcelona to Sydney

Our best Air China deals on Barcelona to Sydney flight tickets
Air China
13 Mar
BCN11:25Barcelona-El Prat
42h 05m
1 stop
SYD15:30Sydney Kingsford Smith
17 Mar
SYD20:40Sydney Kingsford Smith
44h 55m
1 stop
BCN07:35Barcelona-El Prat
$1,616
Find similar
Air China
30 Nov
BCN11:25Barcelona-El Prat
42h 05m
1 stop
SYD15:30Sydney Kingsford Smith
13 Dec
SYD20:40Sydney Kingsford Smith
44h 55m
1 stop
BCN07:35Barcelona-El Prat
$1,659
Find similar
Air China
7 May
BCN16:20Barcelona-El Prat
38h 30m
2 stops
SYD14:50Sydney Kingsford Smith
12 May
SYD19:40Sydney Kingsford Smith
44h 55m
1 stop
BCN08:35Barcelona-El Prat
$1,662
Find similar

China Eastern flights from Barcelona to Sydney

Our best China Eastern deals on Barcelona to Sydney flight tickets
China Eastern
13 Mar
BCN10:20Barcelona-El Prat
37h 40m
1 stop
SYD10:00Sydney Kingsford Smith
17 Mar
SYD21:30Sydney Kingsford Smith
44h 10m
1 stop
BCN07:40Barcelona-El Prat
$1,704
Find similar
China Eastern
15 Mar
BCN10:20Barcelona-El Prat
41h 15m
1 stop
SYD13:35Sydney Kingsford Smith
26 Mar
SYD12:00Sydney Kingsford Smith
29h 40m
1 stop
BCN07:40Barcelona-El Prat
$1,720
Find similar
China Eastern
13 Mar
BCN10:20Barcelona-El Prat
41h 15m
1 stop
SYD13:35Sydney Kingsford Smith
17 Mar
SYD21:30Sydney Kingsford Smith
44h 10m
1 stop
BCN07:40Barcelona-El Prat
$1,841
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Barcelona 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, momondo users made 78,305 searches. Data last updated 13 November 2025.
Use the filters below to find and compare flights from Barcelona to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Wed 29/4

11:40-14:15

2 stops66h 35m

Sydney Kingsford Smith

Wed 27/5

20:20-23:15

2 stops58h 55m

$1,533

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 7/5

13:50-20:00

2 stops46h 10m

Sydney Kingsford Smith

Thu 21/5

19:40-08:35

1 stop44h 55m

$1,551

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Tue 28/4

06:30-19:30

2 stops53h 00m

Sydney Kingsford Smith

Thu 21/5

19:40-08:35

1 stop44h 55m

$1,591

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 26/4

05:45-11:35

2 stops45h 50m

Sydney Kingsford Smith

Thu 21/5

19:40-08:35

1 stop44h 55m

$1,594

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 13/3

11:25-15:30

1 stop42h 05m

Sydney Kingsford Smith

Tue 17/3

20:40-07:35

1 stop44h 55m

$1,616

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 15/3

06:20-14:40

2 stops46h 20m

Sydney Kingsford Smith

Thu 26/3

21:25-15:55

2 stops52h 30m

$1,631

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 9/2

11:40-14:40

2 stops65h 00m

Sydney Kingsford Smith

Thu 12/3

21:25-23:15

2 stops59h 50m

$1,633

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 30/11

11:25-15:30

1 stop42h 05m

Sydney Kingsford Smith

Sat 13/12

20:40-07:35

1 stop44h 55m

$1,659

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 7/5

16:20-14:50

2 stops38h 30m

Sydney Kingsford Smith

Tue 12/5

19:40-08:35

1 stop44h 55m

$1,662

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 9/2

11:25-15:30

1 stop42h 05m

Sydney Kingsford Smith

Tue 10/3

20:40-07:35

1 stop44h 55m

$1,671

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Barcelona to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Barcelona and Sydney?

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from Barcelona, with most prices found around $2,006. If you aren’t able to travel to Sydney during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $2,059.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Thursday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,920. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $2,611.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at midday. momondo users have found flights departing from Barcelona to Sydney at midday for as low as $2,192. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $2,410 on average. Flights to Sydney from Barcelona in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Barcelona when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,273 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Barcelona for as low as $1,810 on momondo.

Cheap Barcelona to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona to Sydney

Direct flights

None
There are no direct flights from Barcelona to Sydney. There are no popular flight routes from Barcelona to Sydney.
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  • How far is Barcelona to Sydney Kingsford Smith by plane?

    The distance between Barcelona and Sydney Kingsford Smith is about 17168.2 km. By plane, this route typically takes 27h 25m.

  • When did momondo last update prices for flights from Barcelona to Sydney Kingsford Smith Airport?

    Prices for flights from Barcelona to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Barcelona to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Barcelona to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Barcelona to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Barcelona to Sydney

Compare and see reviews for airlines that fly from Barcelona to Sydney with momondo
Airline
Rating
Free cancellation
Price
Air ChinaPriceFrom $1,367Free cancellationRating
7.1
121 reviews
Search Air China flights
Etihad AirwaysPriceFrom $2,038Free cancellationRating
7.4
1,291 reviews
Search Etihad Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Terrigal
Penrith
Katoomba
Lithgow
Leura
Manly
Bondi Beach
Coogee
Cronulla
Randwick
Charlestown
Newport
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Barcelona to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Barcelona to Sydney . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Barcelona to Sydney with flexible booking policies on momondo?

All flight searches from Barcelona to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Barcelona to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Barcelona to Sydney.

I’m not ready to book a flight from Barcelona to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Barcelona to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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