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$299+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — LAX
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$526
(United Airlines)

One-way from

$299
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$816
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. 14% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 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 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 junio 12, 2025.

This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/59:15 amBIO - SFO
2 stops20h 29mAmerican Airlines
dom. 12/1410:38 amSFO - BIO
2 stops17h 12mAmerican Airlines
Deal found 6/12$509
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:40 amBIO - SFO
1 stop14h 55mUnited Airlines
lun. 11/241:35 pmSFO - BIO
1 stop18h 05mUnited Airlines
Deal found 6/11$526
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/176:40 amBIO - SFO
1 stop14h 55mLufthansa
lun. 11/247:00 amSFO - BIO
2 stops24h 40mLufthansa
Deal found 6/12$534
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/267:50 pmBIO - LAX
1 stop31h 15mMultiple Airlines
jue. 9/257:50 pmLAX - BIO
2 stops36h 55mMultiple Airlines
Deal found 6/12$589
This Delta deal was found by Cheapflights users on 6/10. 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.
mar. 8/266:50 amBIO - LAX
1 stop14h 00mDelta
jue. 9/2511:45 amLAX - BIO
2 stops19h 55mDelta
Deal found 6/10$599
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/59:40 amBIO - SFO
1 stop15h 45mMultiple Airlines
dom. 12/149:40 pmSFO - BIO
1 stop16h 25mMultiple Airlines
Deal found 6/12$604
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/236:45 amBIO - LAX
2 stops23h 50mUnited Airlines
jue. 11/131:02 pmLAX - BIO
2 stops18h 38mUnited Airlines
Deal found 6/12$608
This Flighttix deal was found by Cheapflights users on 6/10. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/307:15 amBIO - LAX
1 stop17h 00mLufthansa
sáb. 9/132:55 pmLAX - BIO
1 stop22h 55mLufthansa
Deal found 6/10$613
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/99:15 amBIO - SFO
2 stops21h 36mIberia
mié. 8/611:21 amSFO - BIO
2 stops20h 34mIberia
Deal found 6/10$616
This lol.travel deal was found by Cheapflights users on 6/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/216:45 amBIO - LAS
2 stops24h 37mAir Canada
mar. 11/49:10 amLAS - BIO
2 stops22h 30mAir Canada
Deal found 6/10$626
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/106:45 amBIO - LAX
2 stops18h 23mAir Canada
dom. 10/1910:30 pmLAX - BIO
2 stops35h 15mAir Canada
Deal found 6/12$626
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/296:50 amBIO - LAX
1 stop14h 00mKLM
dom. 8/311:40 pmLAX - BIO
1 stop18h 00mKLM
Deal found 6/10$633

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 junio 12, 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

vie. 12/5

9:15 am-8:44 pm

2 stops20h 29m

San Francisco

dom. 12/14

10:38 am-12:50 pm

2 stops17h 12m

$509

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

lun. 11/17

6:40 am-12:35 pm

1 stop14h 55m

San Francisco

lun. 11/24

1:35 pm-4:40 pm

1 stop18h 05m

$526

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

lun. 11/17

6:40 am-12:35 pm

1 stop14h 55m

San Francisco

lun. 11/24

7:00 am-4:40 pm

2 stops24h 40m

$534

BilbaoLos Angeles

BIO - LAX

BIOLAX

Bilbao

mar. 8/26

7:50 pm-6:05 pm

1 stop31h 15m

Los Angeles

jue. 9/25

7:50 pm-5:45 pm

2 stops36h 55m

$589

BilbaoLos Angeles

BIO - LAX

BIOLAX

Bilbao

mar. 8/26

6:50 am-11:50 am

1 stop14h 00m

Los Angeles

jue. 9/25

11:45 am-4:40 pm

2 stops19h 55m

$599

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

vie. 12/5

9:40 am-4:25 pm

1 stop15h 45m

San Francisco

dom. 12/14

9:40 pm-11:05 pm

1 stop16h 25m

$604

BilbaoLos Angeles

BIO - LAX

BIOLAX

Bilbao

jue. 10/23

6:45 am-9:35 pm

2 stops23h 50m

Los Angeles

jue. 11/13

1:02 pm-4:40 pm

2 stops18h 38m

$608

BilbaoLos Angeles

BIO - LAX

BIOLAX

Bilbao

sáb. 8/30

7:15 am-3:15 pm

1 stop17h 00m

Los Angeles

sáb. 9/13

2:55 pm-10:50 pm

1 stop22h 55m

$613

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

mié. 7/9

9:15 am-9:51 pm

2 stops21h 36m

San Francisco

mié. 8/6

11:21 am-4:55 pm

2 stops20h 34m

$616

BilbaoLas Vegas

BIO - LAS

BIOLAS

Bilbao

mar. 10/21

6:45 am-10:22 pm

2 stops24h 37m

Las Vegas Harry Reid Intl

mar. 11/4

9:10 am-4:40 pm

2 stops22h 30m

$626

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 $327). 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 junio 12, 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.

Rainfall in California by month

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

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

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

If weather is an important factor for your trip to California, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 junio 12, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair from Bilbao to California. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    For one-way options, check prices for Vueling. According to our data, you can fly for as low as $404. Users have also found prices from $412 and $482 on Aer Lingus and Iberia, respectively.

  • 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 - Ontario.

  • 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 $327). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Bilbao to California

Discover the top 3 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$397Average$1,011FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$467Average$774FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$538Average$734FlexibilityNo cancel feeOn-time69%

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