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Cheap flights from Bilbao to Sydney from $932

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SYD
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

$1,870

One-way from

$932

Popular in

January

Cheapest in

March

Average price

$2,849
1/12-31/12
  • 1/12-31/12
  • 4 total stops
  • 74h 35m total
  • Bilbao to Sydney
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15/11
  • 15/11
  • 3 total stops
  • 40h 40m total
  • Bilbao to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($319 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($106 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from Bilbao to Sydney

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 29 August 2025.

Mon 8/917:20BIO - SYD
2 stops27h 50mAir France
Mon 22/914:50SYD - BIO
2 stops27h 35mAir France
Deal found 28/8$1,968
Mon 8/917:20BIO - SYD
2 stops29h 20mKLM
Mon 22/912:45SYD - BIO
2 stops29h 40mKLM
Deal found 27/8$1,973
Sun 7/911:05BIO - SYD
2 stops35h 35mAir France
Sun 14/914:50SYD - BIO
2 stops27h 35mAir France
Deal found 28/8$2,002
Wed 17/907:00BIO - SYD
3 stops40h 50mMultiple Airlines
Wed 24/915:40SYD - BIO
3 stops35h 15mMultiple Airlines
Deal found 27/8$2,028
Sun 12/1012:50BIO - SYD
3 stops37h 20mMultiple Airlines
Sun 19/1016:00SYD - BIO
2 stops29h 40mMultiple Airlines
Deal found 28/8$2,259
Wed 17/917:20BIO - SYD
2 stops27h 50mKLM
Wed 24/910:20SYD - BIO
2 stops32h 05mKLM
Deal found 27/8$2,304
Sun 7/907:35BIO - SYD
3 stops42h 20mMultiple Airlines
Sun 14/911:00SYD - BIO
3 stops35h 10mMultiple Airlines
Deal found 28/8$2,380
Thu 28/817:15BIO - SYD
2 stops29h 25mKLM
Tue 2/914:50SYD - BIO
2 stops28h 25mKLM
Deal found 27/8$2,710

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 29 August 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 1/12

07:45-10:00

2 stops40h 15m

Sydney Kingsford Smith

Wed 31/12

12:00-12:20

2 stops34h 20m

$1,870

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 8/9

17:20-06:40

2 stops29h 20m

Sydney Kingsford Smith

Mon 22/9

14:50-10:25

2 stops27h 35m

$1,968

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 8/9

17:20-06:40

2 stops29h 20m

Sydney Kingsford Smith

Mon 22/9

12:45-10:25

2 stops29h 40m

$1,973

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 15/9

17:20-05:10

2 stops27h 50m

Sydney Kingsford Smith

Mon 22/9

12:45-10:25

2 stops29h 40m

$1,977

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sun 7/9

11:05-06:40

2 stops35h 35m

Sydney Kingsford Smith

Sun 14/9

14:50-10:25

2 stops27h 35m

$2,002

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Tue 4/11

17:20-07:55

2 stops28h 35m

Sydney Kingsford Smith

Wed 12/11

15:55-11:30

2 stops29h 35m

$2,006

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 17/9

07:00-07:50

3 stops40h 50m

Sydney Kingsford Smith

Wed 24/9

15:40-18:55

3 stops35h 15m

$2,028

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 2/2

09:15-18:50

2 stops47h 35m

Sydney Kingsford Smith

Mon 23/2

21:30-23:15

2 stops35h 45m

$2,051

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sun 5/10

07:35-10:45

3 stops42h 10m

Sydney Kingsford Smith

Sun 12/10

16:40-12:40

2 stops29h 00m

$2,065

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sat 15/11

17:55-20:35

3 stops40h 40m

$932

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 17 results
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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.

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 Air France and KLM 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, May is the cheapest month in which you can book a flight from Bilbao to Sydney (average of $129). Flying from Bilbao to Sydney in October is currently the most expensive (average of $171). 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
Coogee
Terrigal
Cronulla
Manly
Lithgow
Randwick
Bondi Beach
Leura

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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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