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Cheap flights from Bilbao to Sydney from $945

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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SYD
13 Nov — 20 Nov1
1 adult
1 adult, Economy

Cheap 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 14 October 2025.

Round-trip from

$1,721

One-way from

$945

Popular in

October

Cheapest in

March

Average price

$2,844
8/11-13/11
  • 8/11-13/11
  • 6 total stops
  • 69h 45m total
  • Bilbao to Sydney
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7/1
  • 7/1
  • 2 total stops
  • 38h 15m total
  • Bilbao to Sydney
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($40 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($70 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find 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 14 October 2025.

Sat 8/1116:50BIO - SYD
3 stops34h 45mMultiple Airlines
Thu 13/1121:30SYD - BIO
3 stops35h 00mMultiple Airlines
Deal found 12/10$1,721
Mon 10/1111:25BIO - SYD
3 stops36h 55mMultiple Airlines
Mon 17/1121:30SYD - BIO
2 stops35h 25mMultiple Airlines
Deal found 13/10$1,793
Wed 26/1113:50BIO - SYD
2 stops39h 00mMultiple Airlines
Wed 3/1207:15SYD - BIO
2 stops42h 55mMultiple Airlines
Deal found 12/10$1,861
Wed 26/1117:20BIO - SYD
2 stops28h 05mKLM
Wed 3/1214:30SYD - BIO
2 stops31h 00mKLM
Deal found 12/10$1,986
Sat 8/1117:20BIO - SYD
2 stops28h 05mKLM
Thu 13/1111:30SYD - BIO
2 stops34h 00mKLM
Deal found 12/10$2,009
Mon 10/1116:50BIO - SYD
2 stops27h 45mEtihad Airways
Mon 17/1121:30SYD - BIO
2 stops44h 10mEtihad Airways
Deal found 13/10$2,029
Sat 8/1117:35BIO - SYD
2 stops51h 15mQatar Airways
Thu 13/1121:40SYD - BIO
2 stops35h 35mQatar Airways
Deal found 12/10$2,382

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 14 October 2025.
Use the filters below to find and compare flights from Bilbao to Sydney that are best for you.

Fly from

Bilbao

Fly to

Sydney

Route

Depart

Return

Price

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 10/11

11:25-10:20

3 stops36h 55m

Sydney Kingsford Smith

Mon 17/11

21:30-22:55

2 stops35h 25m

$1,793

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 26/11

16:50-13:35

3 stops34h 45m

Sydney Kingsford Smith

Wed 3/12

20:05-18:45

3 stops32h 40m

$1,914

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 26/11

17:20-07:25

2 stops28h 05m

Sydney Kingsford Smith

Wed 3/12

14:30-11:30

2 stops31h 00m

$1,986

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 10/11

17:20-06:35

2 stops27h 15m

Sydney Kingsford Smith

Mon 17/11

15:55-11:30

2 stops29h 35m

$2,009

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sat 8/11

17:20-06:35

2 stops27h 15m

Sydney Kingsford Smith

Thu 13/11

11:30-11:30

2 stops34h 00m

$2,009

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sat 8/11

17:20-07:25

2 stops28h 05m

Sydney Kingsford Smith

Thu 13/11

11:30-11:30

2 stops34h 00m

$2,009

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 10/11

16:50-06:35

2 stops27h 45m

Sydney Kingsford Smith

Mon 17/11

21:30-07:40

2 stops44h 10m

$2,029

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Thu 12/3

11:55-07:35

2 stops33h 40m

Sydney Kingsford Smith

Mon 16/3

11:30-22:25

2 stops44h 55m

$2,074

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 7/1

15:15-15:30

2 stops38h 15m

$945

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sun 16/11

21:05-17:55

2 stops34h 50m

$1,325

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 13 results
1
2

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, July is the cheapest month in which you can book a flight from Bilbao to Sydney (average of $1,488). Flying from Bilbao to Sydney in April is currently the most expensive (average of $2,806). 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 KLM fly from Bilbao to Sydney in about 28h 05m. 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, July is the cheapest month in which you can book a flight from Bilbao to Sydney (average of $1,488). Flying from Bilbao to Sydney in April is currently the most expensive (average of $2,806). 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
Katoomba
Penrith
Manly
Terrigal
Randwick
Bondi Beach
Coogee
Cronulla
Leura
Lithgow

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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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