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$310+ Cheap flights from Bilbao (BIO) to California

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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — LAX
oct. 11 — oct. 181
sam. 10/11
sam. 10/18
1 adult, Economy
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Cheap flight deals from Bilbao to California

Keep the following information in mind while searching for Bilbao to California flight deals. Data was last updated septembre 11, 2025.

Round-trip from

$408
(American Airlines)

One-way from

$310
(LEVEL)

Popular in

August

Cheapest in

January

Average price

$737
From Bilbao to California
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One-way flight from Bilbao to California
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Highest demand for flights based on searches. 13% potential increase in price ($124 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Bilbao to California

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

This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/166:45 amBIO - SFO
2 stops22h 42mMultiple Airlines
lun. 10/202:01 pmSFO - BIO
2 stops24h 14mMultiple Airlines
Deal found 9/10$467
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.
jeu. 10/26:50 amBIO - LAX
1 stop17h 00mDelta
mar. 10/711:43 amLAX - BIO
2 stops19h 57mDelta
Deal found 9/10$467
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/166:50 amBIO - LAX
2 stops19h 47mDelta
sam. 10/257:00 amLAX - BIO
2 stops20h 20mDelta
Deal found 9/11$477
This Delta deal was found by Cheapflights users on 9/9. 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.
mar. 10/146:50 amBIO - LAX
2 stops19h 06mDelta
sam. 10/259:00 amLAX - BIO
2 stops18h 20mDelta
Deal found 9/9$478
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.
lun. 9/229:35 pmBIO - SJC
2 stops56h 33mIberia
mer. 10/18:00 amSJC - BIO
2 stops39h 30mIberia
Deal found 9/11$485
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.
lun. 11/106:05 pmBIO - LAX
1 stop28h 05mAir France
dim. 11/166:20 pmLAX - BIO
1 stop32h 10mAir France
Deal found 9/11$486
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/201:30 pmBIO - SFO
2 stops28h 52mMultiple Airlines
lun. 11/36:30 amSFO - BIO
2 stops21h 20mMultiple Airlines
Deal found 9/10$502
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/149:15 amBIO - SFO
2 stops20h 36mAmerican Airlines
dim. 10/192:10 pmSFO - BIO
2 stops17h 45mAmerican Airlines
Deal found 9/11$507
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/176:45 amBIO - SFO
2 stops22h 42mMultiple Airlines
lun. 10/2711:14 amSFO - BIO
2 stops17h 36mMultiple Airlines
Deal found 9/10$508
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2012:25 pmBIO - SFO
1 stop34h 10mTAP AIR PORTUGAL
lun. 11/34:35 pmSFO - BIO
1 stop33h 50mTAP AIR PORTUGAL
Deal found 9/10$511
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/512:10 pmBIO - LAX
1 stop35h 50mTAP AIR PORTUGAL
jeu. 11/134:45 pmLAX - BIO
1 stop16h 10mTAP AIR PORTUGAL
Deal found 9/9$518
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/136:45 amBIO - SFO
2 stops22h 47mMultiple Airlines
jeu. 11/207:20 amSFO - BIO
2 stops30h 55mMultiple Airlines
Deal found 9/11$526

Cheapflights Fare Finder

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

Fly from

Bilbao

Fly to

California

Route

Depart

Return

Price

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

jeu. 10/16

6:45 am-8:27 pm

2 stops22h 42m

San Francisco

lun. 10/20

2:01 pm-11:15 pm

2 stops24h 14m

$467

BilbaoLos Angeles

BIO - LAX

BIOLAX

Bilbao

jeu. 10/23

6:50 am-2:50 pm

1 stop17h 00m

Los Angeles

jeu. 11/13

9:55 am-11:30 am

2 stops16h 35m

$467

BilbaoLos Angeles

BIO - LAX

BIOLAX

Bilbao

jeu. 10/16

6:50 am-5:37 pm

2 stops19h 47m

Los Angeles

sam. 10/25

7:00 am-12:20 pm

2 stops20h 20m

$477

BilbaoLos Angeles

BIO - LAX

BIOLAX

Bilbao

mar. 10/14

6:50 am-4:56 pm

2 stops19h 06m

Los Angeles

sam. 10/25

9:00 am-12:20 pm

2 stops18h 20m

$478

BilbaoSan Jose

BIO - SJC

BIOSJC

Bilbao

lun. 9/22

9:35 pm-9:08 pm

2 stops56h 33m

San Jose

mer. 10/1

8:00 am-8:30 am

2 stops39h 30m

$485

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

ven. 10/17

6:45 am-8:27 pm

2 stops22h 42m

San Francisco

lun. 10/27

11:14 am-12:50 pm

2 stops17h 36m

$508

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

jeu. 3/5

6:45 am-3:55 pm

1 stop18h 10m

San Francisco

lun. 3/9

5:30 am-12:50 pm

2 stops23h 20m

$523

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

jeu. 11/13

6:45 am-8:32 pm

2 stops22h 47m

San Francisco

jeu. 11/20

7:20 am-11:15 pm

2 stops30h 55m

$526

BilbaoSan Jose

BIO - SJC

BIOSJC

Bilbao

jeu. 2/19

6:45 am-9:11 pm

2 stops23h 26m

San Jose

lun. 2/23

8:25 am-10:50 am

2 stops41h 25m

$543

BilbaoSanta Ana

BIO - SNA

BIOSNA

Bilbao

ven. 2/20

6:45 am-9:50 pm

2 stops24h 05m

Santa Ana J. Wayne/Orange Cnty

mar. 2/24

11:30 am-4:40 pm

2 stops20h 10m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Bilbao to California

Have a flexible travel schedule? Discover the best time to fly to California 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 California

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

Currently, January is the cheapest month in which you can book a flight from Bilbao to California (average of $246). Flying from Bilbao to California in March is currently the most expensive (average of $325). 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.

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

Find hourly flight availability from Bilbao to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septembre 11, 2025.

When flying from Bilbao to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Bilbao to California?

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. 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 California. Reviews last updated septembre 11, 2025.
See what other customers who have flown with KLM and United Airlines from Bilbao to California have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,385 reviews

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
United Airlines
7.4
Good
8,937 reviews
KLM
7.8
Good
1,385 reviews

Entertainment

7.2

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

Find useful and relevant information for your journey from Bilbao to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bilbao to California?

    If you book a flight to California from Bilbao, you will be flying from Bilbao, which is the city’s only airport. Bilbao (BIO) is located 3.0 mi from the center of Bilbao.

  • How long is the flight from Bilbao to California?

    Airlines like Delta, Iberia, and United Airlines fly from Bilbao to California in about 17h. The time it takes to get you to your destination can typically vary by up to 39h 33m. There are 5726 mi between Bilbao and California. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Bilbao to California?

    The most popular flight routes from Bilbao to California are Bilbao - San Francisco, Bilbao - Los Angeles and Bilbao - Las Vegas Harry Reid Intl.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Bilbao to California (average of $246). Flying from Bilbao to California in March is currently the most expensive (average of $325). 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

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Alternative routes for Bilbao to California

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Top 2 airlines flying from Bilbao to California

Discover the top 2 airlines that operate flights from Bilbao to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$397Average$1,011FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$538Average$734FlexibilityNo cancel feeOn-time69%

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