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Cheap flights from Bilbao to Sydney from $909

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SYD
14 Jun — 21 Jun1
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 15 May 2026.

Tue 19/507:40
BIO
-
SYD
2 stops41h 20m
Multiple Airlines
Fri 19/611:00
SYD
-
BIO
3 stops53h 15m
Multiple Airlines
Deal found 14/5$1,718
Mon 15/616:50
BIO
-
SYD
2 stops29h 20m
Etihad Airways
Mon 22/621:30
SYD
-
BIO
2 stops42h 05m
Etihad Airways
Deal found 12/5$1,855
Fri 12/612:10
BIO
-
SYD
2 stops37h 25m
Turkish Airlines
Fri 19/611:05
SYD
-
BIO
2 stops32h 05m
Turkish Airlines
Deal found 15/5$1,950
Sun 18/1012:45
BIO
-
SYD
2 stops32h 50m
Etihad Airways
Mon 16/1121:30
SYD
-
BIO
2 stops44h 10m
Etihad Airways
Deal found 14/5$1,990
Tue 20/1021:05
BIO
-
SYD
2 stops35h 45m
Etihad Airways
Thu 19/1121:30
SYD
-
BIO
2 stops48h 15m
Etihad Airways
Deal found 14/5$2,006
Sun 5/712:45
BIO
-
SYD
2 stops57h 25m
Etihad Airways
Wed 5/815:40
SYD
-
BIO
2 stops27h 50m
Etihad Airways
Deal found 14/5$2,015
Sat 13/612:10
BIO
-
SYD
2 stops37h 35m
Turkish Airlines
Tue 14/711:05
SYD
-
BIO
2 stops62h 15m
Turkish Airlines
Deal found 14/5$2,021
Fri 15/507:10
BIO
-
SYD
2 stops39h 10m
Air France
Fri 22/514:45
SYD
-
BIO
2 stops39h 15m
Air France
Deal found 14/5$2,022
Thu 18/612:45
BIO
-
SYD
2 stops44h 05m
Etihad Airways
Sun 19/715:40
SYD
-
BIO
2 stops28h 15m
Etihad Airways
Deal found 14/5$2,031
Sun 5/712:45
BIO
-
SYD
2 stops33h 25m
Etihad Airways
Sun 2/815:40
SYD
-
BIO
2 stops28h 00m
Etihad Airways
Deal found 14/5$2,041
Sat 17/1021:05
BIO
-
SYD
2 stops48h 30m
Etihad Airways
Wed 18/1116:35
SYD
-
BIO
2 stops29h 10m
Etihad Airways
Deal found 14/5$2,046

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 15 May 2026.

Round-trip from

$1,855

One-way from

$909

Popular in

December

Cheapest in

June

Average price

$2,064
Etihad Airways
  • Etihad Airways
  • 15/6-22/6
  • 4 total stops
  • 71h 25m total
  • Bilbao to Sydney
Search Deals
5/9
  • 5/9
  • 2 total stops
  • 57h 10m total
  • Bilbao to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($319 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($104 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 15 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 1/6

21:35-19:25

2 stops61h 50m

Sydney Kingsford Smith

Mon 8/6

21:45-23:15

2 stops33h 30m

$2,071
Fastest return journey

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Mon 6/7

16:50-06:10

2 stops29h 20m

Sydney Kingsford Smith

Wed 5/8

15:40-11:30

2 stops27h 50m

$2,080

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Thu 20/8

06:45-17:10

2 stops26h 25m

Sydney Kingsford Smith

Wed 2/9

15:40-23:15

2 stops39h 35m

$2,092

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Thu 25/6

17:35-06:10

2 stops28h 35m

Sydney Kingsford Smith

Thu 2/7

14:50-16:55

2 stops58h 05m

$2,141

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 24/6

17:35-06:10

2 stops28h 35m

Sydney Kingsford Smith

Tue 21/7

14:50-20:50

2 stops38h 00m

$2,155

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 3/6

18:20-09:35

2 stops31h 15m

Sydney Kingsford Smith

Sun 7/6

11:05-11:10

2 stops32h 05m

$2,159

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 24/6

17:35-06:10

2 stops28h 35m

Sydney Kingsford Smith

Thu 23/7

14:50-21:25

2 stops38h 35m

$2,163

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Wed 24/6

17:35-06:10

2 stops28h 35m

Sydney Kingsford Smith

Fri 24/7

14:50-16:55

2 stops34h 05m

$2,177

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Sun 14/6

17:35-06:10

2 stops28h 35m

Sydney Kingsford Smith

Fri 10/7

14:50-20:50

2 stops38h 00m

$2,198

BilbaoSydney

BIO - SYD

BIOSYD

Bilbao

Thu 25/6

19:45-12:35

2 stops32h 50m

Sydney Kingsford Smith

Thu 2/7

09:45-19:25

3 stops41h 40m

$2,207

Flights are sorted by cheapest return flights first.

Deals found on 11/5

Showing 1-10 of 23 resultsSorted by cheapest first
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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 $1,739). Flying from Bilbao to Sydney in December is currently the most expensive (average of $3,019). 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.

How much does it cost for a return flight from Bilbao to Sydney?

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 and Qatar Airways fly from Bilbao to Sydney in about 28h 35m. The time it takes to get you to your destination can typically vary by up to 45m. 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, June is the cheapest month in which you can book a flight from Bilbao to Sydney (average of $1,739). Flying from Bilbao to Sydney in December is currently the most expensive (average of $3,019). 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
Terrigal
Lithgow
Manly
Cronulla
Bondi Beach
Leura
Randwick
Coogee

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

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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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