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$466+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — BIO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$1,030
(Delta)

One-way from

$466
(Delta)

Popular in

June

Cheapest in

September

Average price

$1,206
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. 13% potential increase in price ($135 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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.
Sun 6/226:00 amOAK - BIO
2 stops43h 25mDelta
Sat 7/267:10 amBIO - OAK
2 stops24h 41mDelta
Deal found 6/12$1,030

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 June 12, 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

Sun 6/22

6:00 am-10:25 am

2 stops43h 25m

Bilbao

Sat 7/26

7:10 am-10:51 pm

2 stops24h 41m

$1,030

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

Mon 8/11

6:00 am-11:00 am

2 stops44h 00m

$466

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

Mon 7/28

6:00 am-10:00 pm

2 stops31h 00m

$1,254

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

Fri 8/1

6:00 am-10:00 pm

2 stops31h 00m

$1,304

OaklandBilbao

OAK - BIO

OAKBIO

Oakland

Wed 7/30

2:38 pm-4:55 pm

3 stops41h 17m

$5,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 $1,139). 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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

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.

  • What are the cheapest airlines to fly from Oakland, California to Bilbao one-way?

    $466 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on KLM and Air France, with prices starting from $1,254 and $1,304, respectively.

  • 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 $1,139). 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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