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$664+ Cheap flights from Bilbao (BIO) to Oakland, CA (OAK)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — OAK
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Bilbao to Oakland

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

Round-trip from

$664
(Delta)

Popular in

July

Cheapest in

January

Average price

$677
From Bilbao to Oakland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($179 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Bilbao to Oakland

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

This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 11/1311:55 amBIO - OAK
2 stops45h 08mDelta
Mon 11/175:45 amOAK - BIO
2 stops20h 45mDelta
Deal found 9/10$664
This Expedia deal was found by Cheapflights users on 9/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:10 pmBIO - OAK
2 stops48h 11mMultiple Airlines
Wed 10/19:39 amOAK - BIO
2 stops18h 46mMultiple Airlines
Deal found 9/11$964
This Air France deal was found by Cheapflights users on 9/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:25 amBIO - OAK
2 stops17h 49mAir France
Sat 1/105:55 amOAK - BIO
2 stops26h 25mAir France
Deal found 9/11$1,560

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bilbao to Oakland 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 September 11, 2025.
Use the filters below to find and compare flights from Bilbao to Oakland that are best for you.

Fly from

Bilbao

Fly to

Oakland

Route

Depart

Return

Price

BilbaoOakland

BIO - OAK

BIOOAK

Bilbao

Thu 11/13

11:55 am-12:03 am

2 stops45h 08m

Oakland

Mon 11/17

5:45 am-11:30 am

2 stops20h 45m

$664

BilbaoOakland

BIO - OAK

BIOOAK

Bilbao

Mon 9/22

7:10 pm-10:21 am

2 stops48h 11m

Oakland

Wed 10/1

9:39 am-1:25 pm

2 stops18h 46m

$964

BilbaoOakland

BIO - OAK

BIOOAK

Bilbao

Wed 12/17

7:25 am-4:14 pm

2 stops17h 49m

Oakland

Sat 1/10

5:55 am-5:20 pm

2 stops26h 25m

$1,560

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Bilbao to Oakland

Have a flexible travel schedule? Discover the best time to fly to Oakland from Bilbao 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 Bilbao to Oakland

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

Currently, April is the cheapest month in which you can book a flight from Bilbao to Oakland, California (average of $183). Flying from Bilbao to Oakland, California in November is currently the most expensive (average of $259). 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 Oakland. 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 Oakland, California?

    Departing from Bilbao to Oakland, California will take you 17h 49m. Airlines will cover a distance of 5668 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Bilbao to Oakland, California (average of $183). Flying from Bilbao to Oakland, California in November is currently the most expensive (average of $259). 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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