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Cheap flights from Bilbao to Sydney from $1,136

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SYD
9 Jan — 16 Jan1
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 10 December 2025.

Wed 10/1217:10BIO - SYD
2 stops40h 10mTurkish Airlines
Thu 25/1221:15SYD - BIO
2 stops47h 45mTurkish Airlines
Deal found 9/12$2,681
Wed 10/1215:15BIO - SYD
3 stops43h 20mMultiple Airlines
Thu 25/1220:05SYD - BIO
3 stops35h 10mMultiple Airlines
Deal found 9/12$2,742
Thu 11/1212:40BIO - SYD
3 stops35h 35mMultiple Airlines
Mon 15/1216:35SYD - BIO
3 stops35h 40mMultiple Airlines
Deal found 9/12$2,748
Wed 10/1217:10BIO - SYD
3 stops51h 40mMultiple Airlines
Wed 17/1221:45SYD - BIO
2 stops47h 15mMultiple Airlines
Deal found 9/12$2,817
Thu 11/1221:55BIO - SYD
2 stops46h 55mQatar Airways
Mon 15/1215:50SYD - BIO
2 stops28h 35mQatar Airways
Deal found 9/12$2,844
Fri 26/1209:40BIO - SYD
2 stops34h 40mSWISS
Sat 3/120:45SYD - BIO
2 stops58h 30mSWISS
Deal found 8/12$4,270
Fri 26/1216:50BIO - SYD
2 stops27h 45mEtihad Airways
Sat 3/121:30SYD - BIO
2 stops48h 15mEtihad Airways
Deal found 9/12$5,432
Fri 26/1217:20BIO - SYD
3 stops31h 25mKLM
Sat 3/114:30SYD - BIO
2 stops36h 00mKLM
Deal found 7/12$8,357

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 10 December 2025.

Round-trip from

$1,967

One-way from

$1,136

Popular in

December

Cheapest in

June

Average price

$3,157
Etihad Airways
  • Etihad Airways
  • 19/3-14/4
  • 4 total stops
  • 85h 30m total
  • Bilbao to Sydney
Search Deals
3/2
  • 3/2
  • 2 total stops
  • 32h 25m total
  • Bilbao to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($286 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($113 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 10 December 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

Thu 19/3

16:50-17:55

2 stops39h 05m

Sydney Kingsford Smith

Tue 14/4

21:30-11:55

2 stops46h 25m

$1,967

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Thu 19/3

17:10-19:20

2 stops40h 10m

Sydney Kingsford Smith

Tue 14/4

21:10-22:40

3 stops33h 30m

$2,425

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Fri 23/1

12:15-06:50

2 stops56h 35m

Sydney Kingsford Smith

Thu 29/1

15:55-22:25

2 stops40h 30m

$2,464

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sat 7/3

17:35-06:50

2 stops27h 15m

Sydney Kingsford Smith

Wed 11/3

15:50-13:00

2 stops31h 10m

$2,513

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Fri 23/1

06:50-07:35

2 stops38h 45m

Sydney Kingsford Smith

Thu 29/1

11:30-11:30

2 stops34h 00m

$2,755

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Fri 23/1

12:00-06:15

3 stops56h 15m

Sydney Kingsford Smith

Thu 29/1

09:15-23:15

2 stops48h 00m

$2,778

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Fri 9/1

12:00-06:15

3 stops56h 15m

Sydney Kingsford Smith

Fri 30/1

22:00-08:30

2 stops44h 30m

$2,833

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Fri 23/1

06:45-20:50

2 stops28h 05m

Sydney Kingsford Smith

Thu 29/1

11:45-12:50

3 stops35h 05m

$3,882

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Tue 3/2

21:05-15:30

2 stops32h 25m

$1,136

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Tue 13/1

07:45-12:20

3 stops42h 35m

$1,576

Flights are sorted by cheapest return flights first.

Deals found on 9/12

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 $1,461). Flying from Bilbao to Sydney in April is currently the most expensive (average of $2,755). 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, Air France, and Qatar Airways fly from Bilbao to Sydney in about 27h 15m. The time it takes to get you to your destination can typically vary by up to 29h 20m. Bilbao and Sydney are separated by a distance of 17535 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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 $1,461). Flying from Bilbao to Sydney in April is currently the most expensive (average of $2,755). 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
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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

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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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