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Cheap flights from Bilbao to Sydney from $2,026

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SYD
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

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 26 November 2025.

Round-trip from

$2,153

Popular in

December

Cheapest in

June

Average price

$2,193
KLM
  • KLM
  • 4/3-8/3
  • 4 total stops
  • 74h 10m total
  • Bilbao to Sydney
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Highest demand for flights based on searches. 11% potential increase in price ($477 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($113 potential savings vs. average return price).
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Average for round-trip flights in November 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 26 November 2025.

Tue 25/1117:20BIO - SYD
2 stops27h 15mKLM
Tue 2/1215:55SYD - BIO
2 stops29h 35mKLM
Deal found 24/11$2,026
Thu 27/1112:15BIO - SYD
2 stops33h 10mMultiple Airlines
Tue 2/1215:55SYD - BIO
2 stops29h 35mMultiple Airlines
Deal found 24/11$2,133
Tue 25/1113:50BIO - SYD
2 stops34h 10mMultiple Airlines
Tue 2/1216:35SYD - BIO
3 stops32h 00mMultiple Airlines
Deal found 24/11$2,233
Mon 1/1214:50BIO - SYD
3 stops33h 10mMultiple Airlines
Sun 7/1213:35SYD - BIO
3 stops43h 35mMultiple Airlines
Deal found 24/11$2,314
Thu 4/1207:10BIO - SYD
3 stops40h 25mMultiple Airlines
Thu 11/1208:50SYD - BIO
3 stops36h 10mMultiple Airlines
Deal found 25/11$2,435
Mon 1/1212:00BIO - SYD
2 stops45h 20mTurkish Airlines
Sun 7/1221:15SYD - BIO
2 stops47h 45mTurkish Airlines
Deal found 24/11$2,512
Thu 4/1217:10BIO - SYD
2 stops40h 10mTurkish Airlines
Thu 11/1221:15SYD - BIO
2 stops47h 45mTurkish Airlines
Deal found 25/11$2,557

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 26 November 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

Wed 4/3

12:15-07:35

2 stops33h 20m

Sydney Kingsford Smith

Sun 8/3

15:55-22:45

2 stops40h 50m

$2,153

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 9/2

21:35-18:50

2 stops35h 15m

Sydney Kingsford Smith

Sat 28/2

21:40-23:15

2 stops35h 35m

$2,237

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 4/3

06:45-06:50

2 stops38h 05m

Sydney Kingsford Smith

Sun 8/3

15:50-12:50

2 stops31h 00m

$2,303

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 9/2

08:55-06:35

3 stops35h 40m

Sydney Kingsford Smith

Sat 28/2

13:35-23:00

3 stops43h 25m

$2,354

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 7/1

17:10-06:15

3 stops51h 05m

Sydney Kingsford Smith

Wed 17/6

21:10-17:20

2 stops28h 10m

$2,944

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 7/1

17:20-07:25

2 stops28h 05m

Sydney Kingsford Smith

Wed 17/6

14:45-10:25

2 stops27h 40m

$2,967

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 4/3

13:35-06:55

3 stops31h 20m

Sydney Kingsford Smith

Sun 8/3

21:40-20:50

2 stops33h 10m

$4,184

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sun 14/12

11:30-18:35

2 stops45h 05m

Sydney Kingsford Smith

Thu 18/12

21:10-12:20

2 stops49h 10m

$22,567

Flights are sorted by cheapest return flights first.

Deals found on 24/11

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 $1,501). Flying from Bilbao to Sydney in April is currently the most expensive (average of $2,831). 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 and Qatar Airways fly from Bilbao to Sydney in about 33h 20m. The time it takes to get you to your destination can typically vary by up to 1h 55m. 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 $1,501). Flying from Bilbao to Sydney in April is currently the most expensive (average of $2,831). 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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