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Cheap flights from Bilbao to Sydney from $863

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SYD
29 Jun — 6 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bilbao to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Bilbao to Sydney
Explore the most affordable flight options available from Bilbao to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 May 2026.

Mon 6/716:50
BIO
-
SYD
2 stops29h 20m
Etihad Airways
Sun 12/715:40
SYD
-
BIO
2 stops28h 15m
Etihad Airways
Deal found 25/5$1,711
Mon 6/716:50
BIO
-
SYD
2 stops29h 20m
Multiple Airlines
Sun 12/715:40
SYD
-
BIO
2 stops47h 55m
Multiple Airlines
Deal found 28/5$1,828
Sun 16/821:05
BIO
-
SYD
2 stops35h 45m
Etihad Airways
Sat 22/821:30
SYD
-
BIO
2 stops42h 05m
Etihad Airways
Deal found 27/5$1,890
Fri 16/1017:35
BIO
-
SYD
2 stops41h 50m
Multiple Airlines
Mon 26/1022:10
SYD
-
BIO
2 stops35h 05m
Multiple Airlines
Deal found 27/5$2,030
Sat 17/1021:05
BIO
-
SYD
2 stops48h 30m
Etihad Airways
Sat 7/1121:30
SYD
-
BIO
2 stops44h 10m
Etihad Airways
Deal found 25/5$2,073
Sat 12/1217:40
BIO
-
SYD
2 stops26h 55m
Multiple Airlines
Mon 4/116:35
SYD
-
BIO
2 stops27h 40m
Multiple Airlines
Deal found 26/5$2,148

Find flight deals from Bilbao to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) 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 30 May 2026.

Round-trip from

$1,711

One-way from

$863

Popular in

December

Cheapest in

June

Average price

$2,062
Etihad Airways
  • Etihad Airways
  • 6/7-12/7
  • 4 total stops
  • 57h 35m total
  • Bilbao to Sydney
Search Deals
Etihad Airways
  • Etihad Airways
  • 10/8
  • 2 total stops
  • 33h 25m total
  • Bilbao to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($331 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($105 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bilbao 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 647,157 searches. Data last updated 30 May 2026.
Use the filters below to find and compare flights from Bilbao to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 6/7

16:50-06:10

2 stops29h 20m

Sydney Kingsford Smith

Sun 12/7

15:40-07:35

2 stops47h 55m

$1,723

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 6/7

16:50-06:10

2 stops29h 20m

Sydney Kingsford Smith

Sun 12/7

15:40-07:35

2 stops47h 55m

$1,828

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Fri 16/10

17:35-20:25

2 stops41h 50m

Sydney Kingsford Smith

Mon 26/10

22:10-23:15

2 stops35h 05m

$2,030

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sat 17/10

21:05-06:35

2 stops48h 30m

Sydney Kingsford Smith

Sat 7/11

21:30-07:40

2 stops44h 10m

$2,073

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Fri 16/10

17:35-18:10

2 stops63h 35m

Sydney Kingsford Smith

Mon 26/10

15:50-16:55

2 stops35h 05m

$2,363

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 10/6

18:20-09:35

2 stops31h 15m

Sydney Kingsford Smith

Sun 14/6

21:05-11:10

2 stops46h 05m

$2,389
Fastest return journey

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 10/6

13:50-06:05

2 stops32h 15m

Sydney Kingsford Smith

Sun 14/6

14:35-18:35

2 stops36h 00m

$2,408

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Fri 10/7

10:50-06:10

2 stops35h 20m

Sydney Kingsford Smith

Fri 17/7

14:50-20:50

2 stops38h 00m

$2,426
Cheapest one-way

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sat 25/7

16:10-19:20

3 stops43h 10m

$1,259

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sun 26/7

19:45-06:10

2 stops50h 25m

$1,369

Flights are sorted by cheapest return flights first.

Deals found on 28/5

Showing 1-10 of 17 resultsSorted by cheapest first
1
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Best time to book a flight from Bilbao to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Bilbao with our price prediction graph.
Estimated return 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 Bilbao to Sydney

What is the cheapest month to book a flight from Bilbao to Sydney?

Currently, June is the cheapest month in which you can book a flight from Bilbao to Sydney (average of $1,737). Flying from Bilbao to Sydney in December is currently the most expensive (average of $3,015). 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.

Related info for your journey

Find useful and relevant information for your journey from Bilbao to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bilbao to Sydney?

    Airlines like Etihad Airways fly from Bilbao to Sydney in about 29h 20m. The time it takes to get you to your destination can typically vary by up to . Bilbao and Sydney are separated by a distance of 17535 km.

  • Can I find deals for flights from Bilbao to Sydney that include hotel bookings?

    Yes. In addition to deals on Bilbao to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bilbao to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bilbao to Sydney.

  • Can I find deals for business class flights from Bilbao to Sydney?

    Yes. Cheapflights offers flight deals from Bilbao 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 Bilbao to Sydney?

    Currently, June is the cheapest month in which you can book a flight from Bilbao to Sydney (average of $1,737). Flying from Bilbao to Sydney in December is currently the most expensive (average of $3,015). 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

Travelling to a place near Sydney?

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

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How does Cheapflights help users find flights from Bilbao to Sydney?

When you search for this flight from Bilbao to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Bilbao to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Bilbao to Sydney.

Can Cheapflights find flights from Bilbao to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Bilbao? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Bilbao to Sydney become cheaper?

Yes! Start tracking prices for Bilbao to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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