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Cheap flights from Barcelona to Sydney from £445

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 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
22:30 - 16:50
BCN
-
SYD
34h 20m
1 stop
Etihad Airways Logo
21:30 - 19:15
SYD
-
BCN
29h 45m
1 stop
£886Etihad Airways
Sat, 27 Jun - Mon, 13 Jul
Etihad Airways Logo
22:00 - 16:50
BCN
-
SYD
34h 50m
2 stops
Etihad Airways Logo
21:30 - 19:20
SYD
-
BCN
29h 50m
1 stop
£893Etihad Airways
Thu, 11 Jun - Tue, 30 Jun
Etihad Airways Logo
22:00 - 06:10
BCN
-
SYD
48h 10m
2 stops
Etihad Airways Logo
21:30 - 07:35
SYD
-
BCN
42h 05m
1 stop
£894Etihad Airways
Sat, 27 Jun - Sat, 11 Jul
China Eastern Logo
23:55 - 12:35
BCN
-
SYD
28h 40m
1 stop
China Eastern Logo
10:05 - 08:05
SYD
-
BCN
54h 00m
3 stops
£905China Eastern
Sat, 27 Jun - Fri, 10 Jul
China Eastern Logo
10:55 - 09:00
BCN
-
SYD
38h 05m
1 stop
China Eastern Logo
10:05 - 08:05
SYD
-
BCN
54h 00m
3 stops
£930China Eastern
Fri, 26 Jun - Sun, 26 Jul
China Eastern Logo
15:50 - 09:00
BCN
-
SYD
33h 10m
2 stops
China Eastern Logo
10:05 - 08:05
SYD
-
BCN
54h 00m
3 stops
£963China Eastern
Fri, 26 Jun - Sun, 26 Jul
China Eastern Logo
10:55 - 12:35
BCN
-
SYD
41h 40m
1 stop
China Eastern Logo
20:30 - 08:05
SYD
-
BCN
43h 35m
1 stop
£970China Eastern
Tue, 7 Jul - Tue, 21 Jul
China Eastern Logo
10:55 - 12:35
BCN
-
SYD
41h 40m
1 stop
China Eastern Logo
11:00 - 21:20
SYD
-
BCN
42h 20m
1 stop
£971China Eastern
Tue, 7 Jul - Wed, 22 Jul
China Eastern Logo
10:55 - 12:35
BCN
-
SYD
41h 40m
1 stop
China Eastern Logo
10:05 - 21:20
SYD
-
BCN
43h 15m
3 stops
£987China Eastern
Fri, 19 Jun - Fri, 26 Jun
China Eastern Logo
10:55 - 08:00
BCN
-
SYD
37h 05m
3 stops
China Eastern Logo
10:05 - 21:20
SYD
-
BCN
43h 15m
3 stops
£992China Eastern
Fri, 19 Jun - Fri, 26 Jun

KLM flights from Barcelona to Sydney

Our best KLM deals on Barcelona to Sydney flight tickets
KLM
10 Jun
BCN17:20Barcelona-El Prat
29h 00m
2 stops
SYD06:20Sydney Kingsford Smith
14 Jun
SYD11:40Sydney Kingsford Smith
30h 35m
3 stops
BCN10:15Barcelona-El Prat
£1,351
KLM
10 Jun
BCN17:20Barcelona-El Prat
29h 25m
2 stops
SYD06:45Sydney Kingsford Smith
14 Jun
SYD11:40Sydney Kingsford Smith
30h 35m
3 stops
BCN10:15Barcelona-El Prat
£1,355

Finnair flights from Barcelona to Sydney

Our best Finnair deals on Barcelona to Sydney flight tickets
Finnair
2 Sept
BCN10:05Barcelona-El Prat
36h 05m
2 stops
SYD06:10Sydney Kingsford Smith
26 Nov
SYD08:45Sydney Kingsford Smith
45h 10m
2 stops
BCN19:55Barcelona-El Prat
£1,050
Finnair
2 Sept
BCN10:05Barcelona-El Prat
36h 05m
2 stops
SYD06:10Sydney Kingsford Smith
26 Nov
SYD08:45Sydney Kingsford Smith
45h 10m
2 stops
BCN19:55Barcelona-El Prat
£1,051
Finnair
2 Sept
BCN10:05Barcelona-El Prat
36h 05m
2 stops
SYD06:10Sydney Kingsford Smith
26 Nov
SYD08:45Sydney Kingsford Smith
45h 10m
2 stops
BCN19:55Barcelona-El Prat
£1,052

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 279,928 searches. Data last updated 29 May 2026.
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

Cheapest return flight
Fastest return journey

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 27/6

22:30-16:50

1 stop34h 20m

Sydney Kingsford Smith

Mon 13/7

21:30-19:15

1 stop29h 45m

£886

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 11/6

22:00-16:50

2 stops34h 50m

Sydney Kingsford Smith

Tue 30/6

21:30-19:20

1 stop29h 50m

£893

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 27/6

22:00-06:10

2 stops48h 10m

Sydney Kingsford Smith

Sat 11/7

21:30-07:35

1 stop42h 05m

£894

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sat 27/6

23:55-12:35

1 stop28h 40m

Sydney Kingsford Smith

Fri 10/7

10:05-08:05

3 stops54h 00m

£905

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 26/6

10:55-09:00

1 stop38h 05m

Sydney Kingsford Smith

Sun 26/7

10:05-08:05

3 stops54h 00m

£930

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 26/6

15:50-09:00

2 stops33h 10m

Sydney Kingsford Smith

Sun 26/7

10:05-08:05

3 stops54h 00m

£963

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Tue 7/7

10:55-12:35

1 stop41h 40m

Sydney Kingsford Smith

Tue 21/7

20:30-08:05

1 stop43h 35m

£970

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Tue 7/7

10:55-12:35

1 stop41h 40m

Sydney Kingsford Smith

Wed 22/7

11:00-21:20

1 stop42h 20m

£971

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 19/6

10:55-12:35

1 stop41h 40m

Sydney Kingsford Smith

Fri 26/6

10:05-21:20

3 stops43h 15m

£987

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 19/6

10:55-08:00

3 stops37h 05m

Sydney Kingsford Smith

Fri 26/6

10:05-21:20

3 stops43h 15m

£992

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, October is the cheapest month to fly from Barcelona to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £330. If you don’t want to visit Sydney in October, then you should wait until November to fly from Barcelona, when ticket prices are also cheap, with an average price of £423.

How far in advance should I book a flight from Barcelona 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 £1,151 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 £930 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

Fastest flight time

42h 05m

Direct flights

None
The fastest flight from Barcelona to Sydney takes 42h 05m
There are no direct flights from Barcelona to Sydney. There are no popular flight routes from Barcelona to Sydney.
Search flight deals

Frequently asked questions about flying from Barcelona to Sydney

  • How far is Barcelona to Sydney Kingsford Smith by plane?

    Barcelona and Sydney Kingsford Smith are 10667.9 mi apart from one another. A reasonable flight in good conditions will take 42h 05m.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. 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 required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Coogee
Leura
Randwick
Manly
Katoomba
Penrith
Cronulla
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?

momondo does allow users to show only those flights to Sydney from Barcelona which offer a flexible booking policy as well as other useful filters and features.

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?

If you are not ready to book a flight from Barcelona to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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