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$408+ Cheap flights from Oakland, CA (OAK) to Bilbao (BIO)

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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BIO
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Oakland to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Bilbao (BIO). 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 septiembre 11, 2025.

Round-trip from

$472
(Delta)

One-way from

$408
(Delta)

Popular in

December

Cheapest in

September

Average price

$672
From Oakland to Bilbao
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One-way flight from Oakland to Bilbao
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Highest demand for flights based on searches. 3% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Oakland to Bilbao

Cheapest flights from Oakland to Bilbao
Explore the most affordable flight options available from Oakland to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/216:00 amOAK - BIO
2 stops25h 40mDelta
jue. 10/96:50 amBIO - OAK
2 stops26h 03mDelta
Deal found 9/9$472
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:00 amOAK - BIO
2 stops43h 25mDelta
mié. 10/86:50 amBIO - OAK
2 stops26h 03mDelta
Deal found 9/9$474
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/205:05 pmOAK - BIO
2 stops38h 35mDelta
jue. 10/96:50 amBIO - OAK
2 stops26h 03mDelta
Deal found 9/9$478
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/185:45 amOAK - BIO
2 stops26h 35mDelta
mié. 11/2611:55 amBIO - OAK
2 stops39h 18mDelta
Deal found 9/9$507
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/216:00 amOAK - BIO
2 stops25h 40mDelta
mar. 10/711:05 amBIO - OAK
2 stops45h 48mDelta
Deal found 9/9$612
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:00 amOAK - BIO
2 stops43h 25mDelta
mar. 10/711:05 amBIO - OAK
2 stops45h 48mDelta
Deal found 9/9$613
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/205:05 pmOAK - BIO
2 stops38h 35mDelta
mar. 10/711:05 amBIO - OAK
2 stops45h 48mDelta
Deal found 9/9$617
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1712:37 pmOAK - BIO
2 stops37h 38mDelta
mié. 10/86:50 amBIO - OAK
2 stops26h 03mDelta
Deal found 9/9$626
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/235:05 pmOAK - BIO
2 stops57h 10mDelta
mié. 10/86:50 amBIO - OAK
2 stops26h 03mDelta
Deal found 9/9$632
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/185:45 amOAK - BIO
2 stops26h 35mDelta
mar. 11/2512:15 pmBIO - OAK
2 stops44h 48mDelta
Deal found 9/9$657
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1912:28 pmOAK - BIO
2 stops19h 02mDelta
jue. 11/2711:55 amBIO - OAK
2 stops43h 58mDelta
Deal found 9/9$660
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/216:00 amOAK - BIO
2 stops25h 40mDelta
lun. 10/1312:00 pmBIO - OAK
2 stops37h 11mDelta
Deal found 9/9$675

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Bilbao 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 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Oakland to Bilbao that are best for you.

Fly from

Oakland

Fly to

Bilbao

Route

Depart

Return

Price

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

dom. 9/21

6:00 am-4:40 pm

2 stops25h 40m

Bilbao

mié. 10/8

6:50 am-11:53 pm

2 stops26h 03m

$472

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

mar. 11/18

5:45 am-11:30 am

2 stops20h 45m

Bilbao

jue. 11/27

11:55 am-10:53 pm

2 stops43h 58m

$507

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

lun. 9/22

6:00 am-10:25 am

2 stops43h 25m

Bilbao

mar. 10/7

11:05 am-11:53 pm

2 stops45h 48m

$613

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

mar. 9/23

5:05 pm-11:15 am

2 stops57h 10m

Bilbao

jue. 10/9

6:50 am-11:53 pm

2 stops26h 03m

$632

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

mié. 11/19

12:28 pm-4:30 pm

2 stops19h 02m

Bilbao

jue. 11/27

11:55 am-10:53 pm

2 stops43h 58m

$660

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

mié. 11/19

5:45 am-11:20 am

2 stops44h 35m

Bilbao

mié. 11/26

11:55 am-6:13 pm

2 stops39h 18m

$660

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

dom. 9/21

6:00 am-4:40 pm

2 stops25h 40m

Bilbao

lun. 10/13

12:00 pm-4:11 pm

2 stops37h 11m

$675

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

mié. 11/19

5:45 am-4:30 pm

2 stops25h 45m

Bilbao

mar. 11/25

12:15 pm-12:03 am

2 stops44h 48m

$810

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

dom. 10/19

5:55 am-4:40 pm

2 stops25h 45m

Bilbao

dom. 10/26

11:55 am-11:53 pm

2 stops43h 58m

$885

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

lun. 10/20

5:55 am-11:15 am

2 stops44h 20m

Bilbao

dom. 10/26

11:55 am-11:53 pm

2 stops43h 58m

$898

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 16 results
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Best time to book a flight from Oakland to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Oakland with our price prediction graph.
Estimated round-trip 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 Oakland to Bilbao

What is the cheapest month to book a flight from Oakland, California to Bilbao?

Currently, January is the cheapest month in which you can book a flight from Oakland, California to Bilbao (average of $541). Flying from Oakland, California to Bilbao in June is currently the most expensive (average of $1,136). 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 Oakland to Bilbao. 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 Oakland, California to Bilbao?

    Departing from Oakland, California to Bilbao will take you 25h 40m. The distance from Oakland, California to Bilbao is about 5668 mi.

  • Can I find deals for flights from Oakland to Bilbao that include hotel bookings?

    Yes. In addition to deals on Oakland to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Bilbao.

  • Can I find deals for business class flights from Oakland to Bilbao?

    Yes. Cheapflights offers flight deals from Oakland to Bilbao 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 Oakland, California to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from Oakland, California to Bilbao (average of $541). Flying from Oakland, California to Bilbao in June is currently the most expensive (average of $1,136). 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.

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