HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oakland

$622+ 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
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bilbao to Oakland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$622
(Air France)

Popular in

July

Cheapest in

January

Average price

$596
Provider with most accurate pricing for Bilbao-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bilbao-San Francisco flights.
Search Deals
From Bilbao to Oakland
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($185 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 29, 2025.

This Air France deal was found by Cheapflights users on 10/28. 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.
Thu 11/135:20 pmBIO - OAK
2 stops31h 51mMultiple Airlines
Mon 11/175:55 amOAK - BIO
2 stops31h 30mMultiple Airlines
Deal found 10/28$622
This Delta deal was found by Cheapflights users on 10/28. 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 11/1712:28 pmOAK - BIO
2 stops38h 02mDelta
Deal found 10/28$645

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 October 29, 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

5:20 pm-4:11 pm

2 stops31h 51m

Oakland

Mon 11/17

5:55 am-10:25 pm

2 stops31h 30m

$622

BilbaoOakland

BIO - OAK

BIOOAK

Bilbao

Thu 11/13

11:55 am-12:03 am

2 stops45h 08m

Oakland

Mon 11/17

12:28 pm-11:30 am

2 stops38h 02m

$645

BilbaoOakland

BIO - OAK

BIOOAK

Bilbao

Sat 4/4

6:45 am-11:39 pm

2 stops25h 54m

Oakland

Thu 4/23

11:00 am-10:55 pm

2 stops26h 55m

$3,492

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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, September is the cheapest month in which you can book a flight from Bilbao to Oakland, California (average of $332). Flying from Bilbao to Oakland, California in December is currently the most expensive (average of $716). 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 45h 08m. Airlines will cover a distance of 5668 mi.

  • 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, September is the cheapest month in which you can book a flight from Bilbao to Oakland, California (average of $332). Flying from Bilbao to Oakland, California in December is currently the most expensive (average of $716). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.