In terms of precipitation, rainfall in Oakland, California ranges from 0.0 - 4.8 inches per month. January is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Oakland, California when rainfall is around 0.0 in.

If weather is an important factor for your trip to Oakland, California, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

How far in advance should I book a flight from Bilbao to Oakland, California?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 150% on flights from Bilbao to Oakland, California compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $685. For sooner than that we have options available in the next 3 days from $941.

What is the cheapest month to fly from Bilbao to Oakland, California?

January is one of the best times of the year to fly to Oakland, California from Bilbao. Prices for January average $636 per person but you can even find prices for as low as $391. The most expensive prices can be found in the month of July. Opting for a January flight can save you 38% on your journey compared to booking in July

What is the cheapest time of day to fly from BIO to OAK?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bilbao to Oakland, California as you normally would.

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.

$639+ Flights from Bilbao to Oakland, CA

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

Round-trip from	$639 (Delta)
Popular in	July
Cheapest in	January
Average price	$881

From Bilbao to Oakland

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($186 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 July 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 julio 30, 2025.

jue. 11/1311:55 amBIO - OAK

2 stops37h 36mDelta

lun. 11/175:05 pmOAK - BIO

2 stops39h 15mDelta

Deal found 7/29

$639

Best flights from Bilbao to Oakland
Discover carefully curated flight deals from Bilbao to Oakland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 30, 2025.

jue. 11/1311:55 amBIO - OAK

2 stops37h 36mDelta

lun. 11/175:05 pmOAK - BIO

2 stops39h 15mDelta

Deal found 7/29

$639

Fly from

Fly to

Route

Depart

Return

Price

BilbaoOakland

BIO - OAK

BIOOAK

Bilbao

jue. 11/13

11:55 am-4:31 pm

2 stops37h 36m

Oakland

lun. 11/17

5:05 pm-5:20 pm

2 stops39h 15m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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.

Reviews of airlines servicing Oakland

Get a feel of what it's like to fly with Delta from Bilbao to Oakland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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.

See more FAQs

Browse thousands of different 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.

$639+ 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.

Find cheap flights from Bilbao to Oakland with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Bilbao to Oakland

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Bilbao to Oakland

Cheapest flights from Bilbao to OaklandExplore 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 julio 30, 2025.

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 julio 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Bilbao to Oakland that are best for you.

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.

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?

Reviews of airlines servicing Oakland

Get a feel of what it's like to fly with Delta from Bilbao to Oakland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

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

How can I find direct flights from Bilbao to Oakland?

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

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

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.

Alternative routes for Bilbao to Oakland

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

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 julio 30, 2025.