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Cheap flights from Barcelona to Sydney from £455

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 23/8. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from Barcelona to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Air China Logo
11:25 - 08:30
BCN
-
SYD
35h 05m
1 stop
Air China Logo
20:40 - 07:35
SYD
-
BCN
44h 55m
1 stop
£717Air China
Fri, 11 Dec - Sat, 2 Jan
China Eastern Logo
10:20 - 13:35
BCN
-
SYD
41h 15m
1 stop
China Eastern Logo
12:00 - 07:40
SYD
-
BCN
29h 40m
1 stop
£744China Eastern
Sun, 8 Nov - Wed, 18 Nov
China Eastern Logo
10:20 - 13:35
BCN
-
SYD
41h 15m
1 stop
China Eastern Logo
12:00 - 07:40
SYD
-
BCN
29h 40m
1 stop
£813China Eastern
Sun, 8 Nov - Thu, 19 Nov
China Eastern Logo
10:20 - 10:00
BCN
-
SYD
37h 40m
1 stop
China Eastern Logo
12:00 - 22:55
SYD
-
BCN
44h 55m
2 stops
£847China Eastern
Mon, 9 Nov - Mon, 16 Nov
China Eastern Logo
10:20 - 13:35
BCN
-
SYD
41h 15m
1 stop
China Eastern Logo
21:30 - 10:25
SYD
-
BCN
46h 55m
2 stops
£856China Eastern
Mon, 9 Nov - Sun, 15 Nov
China Eastern Logo
13:10 - 13:35
BCN
-
SYD
38h 25m
2 stops
China Eastern Logo
21:30 - 07:40
SYD
-
BCN
44h 10m
1 stop
£861China Eastern
Thu, 12 Nov - Tue, 17 Nov
China Eastern Logo
15:00 - 13:35
BCN
-
SYD
60h 35m
2 stops
China Eastern Logo
21:30 - 07:40
SYD
-
BCN
44h 10m
1 stop
£862China Eastern
Sun, 8 Nov - Tue, 17 Nov
China Eastern Logo
10:20 - 13:35
BCN
-
SYD
41h 15m
1 stop
China Eastern Logo
12:00 - 07:40
SYD
-
BCN
29h 40m
1 stop
£879China Eastern
Tue, 3 Nov - Fri, 6 Nov
China Eastern Logo
10:20 - 10:00
BCN
-
SYD
37h 40m
1 stop
China Eastern Logo
12:00 - 07:40
SYD
-
BCN
29h 40m
1 stop
£880China Eastern
Tue, 3 Nov - Fri, 6 Nov
Etihad Airways Logo
21:50 - 06:35
BCN
-
SYD
22h 45m
1 stop
Etihad Airways Logo
16:35 - 18:35
SYD
-
BCN
36h 00m
1 stop
£889Etihad Airways
Mon, 26 Oct - Wed, 25 Nov

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KLM flights from Barcelona to Sydney

Our best KLM deals on Barcelona to Sydney flight tickets
KLM
12 Jul
BCN17:20Barcelona-El Prat
29h 10m
3 stops
SYD06:30Sydney Kingsford Smith
3 Sept
SYD14:45Sydney Kingsford Smith
31h 45m
2 stops
BCN14:30Barcelona-El Prat
£1,656
KLM
12 Jul
BCN17:20Barcelona-El Prat
29h 10m
3 stops
SYD06:30Sydney Kingsford Smith
31 Aug
SYD13:05Sydney Kingsford Smith
29h 10m
2 stops
BCN10:15Barcelona-El Prat
£1,705
KLM
12 Jul
BCN17:20Barcelona-El Prat
29h 10m
3 stops
SYD06:30Sydney Kingsford Smith
30 Aug
SYD11:40Sydney Kingsford Smith
30h 35m
3 stops
BCN10:15Barcelona-El Prat
£1,866

Finnair flights from Barcelona to Sydney

Our best Finnair deals on Barcelona to Sydney flight tickets
Finnair
22 Aug
BCN10:05Barcelona-El Prat
36h 40m
2 stops
SYD06:45Sydney Kingsford Smith
7 Sept
SYD09:50Sydney Kingsford Smith
42h 15m
2 stops
BCN20:05Barcelona-El Prat
£1,035
Finnair
23 Aug
BCN10:05Barcelona-El Prat
36h 40m
2 stops
SYD06:45Sydney Kingsford Smith
14 Sept
SYD10:20Sydney Kingsford Smith
41h 45m
2 stops
BCN20:05Barcelona-El Prat
£1,041
Finnair
12 Jul
BCN10:05Barcelona-El Prat
60h 20m
2 stops
SYD06:25Sydney Kingsford Smith
30 Aug
SYD10:20Sydney Kingsford Smith
41h 45m
2 stops
BCN20:05Barcelona-El Prat
£1,449

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 10 July 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

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Fri 11/12

11:25-08:30

1 stop35h 05m

Sydney Kingsford Smith

Sat 2/1

20:40-07:35

1 stop44h 55m

£717

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 8/11

10:20-13:35

1 stop41h 15m

Sydney Kingsford Smith

Wed 18/11

12:00-07:40

1 stop29h 40m

£744

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 8/11

10:20-13:35

1 stop41h 15m

Sydney Kingsford Smith

Thu 19/11

12:00-07:40

1 stop29h 40m

£813

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 9/11

10:20-10:00

1 stop37h 40m

Sydney Kingsford Smith

Mon 16/11

12:00-22:55

2 stops44h 55m

£847

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 9/11

10:20-13:35

1 stop41h 15m

Sydney Kingsford Smith

Sun 15/11

21:30-10:25

2 stops46h 55m

£856

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Thu 12/11

13:10-13:35

2 stops38h 25m

Sydney Kingsford Smith

Tue 17/11

21:30-07:40

1 stop44h 10m

£861

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Sun 8/11

15:00-13:35

2 stops60h 35m

Sydney Kingsford Smith

Tue 17/11

21:30-07:40

1 stop44h 10m

£862

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Tue 3/11

10:20-13:35

1 stop41h 15m

Sydney Kingsford Smith

Fri 6/11

12:00-07:40

1 stop29h 40m

£879

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Tue 3/11

10:20-10:00

1 stop37h 40m

Sydney Kingsford Smith

Fri 6/11

12:00-07:40

1 stop29h 40m

£880
Fastest return journey

BarcelonaSydney

BCN - SYD

BCNSYD

Barcelona-El Prat

Mon 26/10

21:50-06:35

1 stop22h 45m

Sydney Kingsford Smith

Wed 25/11

16:35-18:35

1 stop36h 00m

£889

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?

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 £424.

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 £1,122 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 £907 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

22h 45m

Direct flights

None
The fastest flight from Barcelona to Sydney takes 22h 45m
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 22h 45m.

  • 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
Randwick
Coogee
Cronulla
Leura
Wollongong
Manly
Katoomba
Penrith
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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