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$730+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BIO
Apr 27 — May 41
Sun 4/27
Sun 5/4
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 April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,018
(Delta)

One-way from

$730
(Delta)

Popular in

June

Cheapest in

September

Average price

$989
Provider with most accurate pricing for Oakland-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Oakland-Bilbao flights.
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From Oakland to Bilbao
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One-way flight from Oakland to Bilbao
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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.
Tue 6/36:00 amOAK - BIO
2 stops25h 40mDelta
Fri 6/136:50 amBIO - OAK
2 stops26h 07mDelta
Deal found 4/22$1,018

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 April 22, 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

Tue 6/3

6:00 am-4:40 pm

2 stops25h 40m

Bilbao

Fri 6/13

6:50 am-11:57 pm

2 stops26h 07m

$1,018

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

Mon 5/26

6:00 am-11:15 am

2 stops44h 15m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Compare providers for flights from Oakland to Bilbao

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oakland to Bilbao in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Oakland, California-Bilbao flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oakland, California-Bilbao flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oakland, California-Bilbao flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oakland, California-Bilbao flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oakland, California-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $1,178). 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.

Rainfall in Bilbao by month

Plan your trip to Bilbao by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

Temperature in Bilbao by month

Plan your trip to Bilbao by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated April 22, 2025.
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 $1,178). 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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