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Bilbao

$248+ Cheap flights from California 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BIO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from California to Bilbao

Keep the following information in mind while searching for California to Bilbao flight deals. Data was last updated June 12, 2025.

Round-trip from

$565
(Mytrip)

One-way from

$248
(Mytrip)

Popular in

November

Cheapest in

March

Average price

$1,198
From California to Bilbao
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One-way flight from California to Bilbao
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Highest demand for flights based on searches. 16% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($52 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 California to Bilbao

Cheapest flights from California to Bilbao
Explore the most affordable flight options available from California to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:30 amSFO - BIO
2 stops22h 35mMultiple Airlines
Mon 10/276:50 pmBIO - SFO
2 stops32h 44mMultiple Airlines
Deal found 6/10$531
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:50 pmLAX - BIO
1 stop18h 10mIberia
Wed 10/87:00 amBIO - LAX
1 stop20h 05mIberia
Deal found 6/11$540
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:45 amLAX - BIO
2 stops22h 55mMultiple Airlines
Wed 11/199:25 amBIO - LAX
2 stops20h 55mMultiple Airlines
Deal found 6/10$563
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1911:35 amSFO - BIO
1 stop14h 10mUnited Airlines
Wed 8/276:45 amBIO - SFO
1 stop22h 05mUnited Airlines
Deal found 6/10$573
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:08 amSAN - BIO
2 stops27h 17mLufthansa
Thu 10/167:15 amBIO - SAN
1 stop17h 10mLufthansa
Deal found 6/11$587
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:05 pmSFO - BIO
1 stop17h 20mLufthansa
Wed 8/276:45 amBIO - SFO
1 stop14h 55mLufthansa
Deal found 6/9$590
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/64:07 pmSAN - BIO
2 stops19h 08mMultiple Airlines
Fri 10/176:45 amBIO - SAN
2 stops21h 50mMultiple Airlines
Deal found 6/12$592
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2010:30 pmLAX - BIO
2 stops29h 50mUnited Airlines
Tue 10/286:40 amBIO - LAX
1 stop15h 25mUnited Airlines
Deal found 6/10$593
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/202:30 pmLAX - BIO
2 stops18h 20mAir Canada
Tue 10/286:40 amBIO - LAX
2 stops35h 41mAir Canada
Deal found 6/11$596
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.
Mon 10/65:15 pmSAN - BIO
1 stop21h 10mUnited Airlines
Fri 10/176:45 amBIO - SAN
2 stops41h 57mUnited Airlines
Deal found 6/12$605
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:10 pmSAN - BIO
2 stops37h 55mAir Canada
Mon 12/111:35 amBIO - SAN
2 stops56h 30mAir Canada
Deal found 6/10$610
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:40 amSJC - BIO
2 stops21h 10mUnited Airlines
Sun 11/96:40 amBIO - SJC
2 stops24h 48mUnited Airlines
Deal found 6/10$615

Cheapflights Fare Finder

Customize your flight search to find flights from California 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 California to Bilbao that are best for you.

Fly from

California

Fly to

Bilbao

Route

Depart

Return

Price

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 8/19

7:30 pm-5:15 pm

1 stop36h 45m

Bilbao

Wed 8/27

6:45 am-7:57 pm

2 stops22h 12m

$565

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 8/19

11:35 am-10:45 am

1 stop14h 10m

Bilbao

Wed 8/27

6:45 am-7:50 pm

1 stop22h 05m

$573

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Wed 10/1

11:08 am-11:25 pm

2 stops27h 17m

Bilbao

Thu 10/16

7:15 am-3:25 pm

1 stop17h 10m

$587

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 8/19

9:05 pm-11:25 pm

1 stop17h 20m

Bilbao

Wed 8/27

6:45 am-12:40 pm

1 stop14h 55m

$590

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Mon 10/6

4:07 pm-8:15 pm

2 stops19h 08m

Bilbao

Fri 10/17

6:45 am-7:35 pm

2 stops21h 50m

$592

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Mon 10/6

5:15 pm-11:25 pm

1 stop21h 10m

Bilbao

Fri 10/17

6:45 am-3:42 pm

2 stops41h 57m

$605

San DiegoBilbao

SAN - BIO

SANBIO

San Diego

Sat 11/1

8:10 pm-6:05 pm

2 stops37h 55m

Bilbao

Mon 12/1

11:35 am-11:05 am

2 stops56h 30m

$610

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 8/4

11:59 pm-11:00 am

2 stops26h 01m

Bilbao

Tue 8/19

12:00 pm-11:45 am

1 stop32h 45m

$626

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Sat 8/30

4:40 pm-6:05 pm

1 stop16h 25m

Bilbao

Sat 9/13

6:35 pm-2:25 pm

1 stop28h 50m

$633

Los AngelesBilbao

LAX - BIO

LAXBIO

Los Angeles

Mon 8/4

11:59 pm-10:45 am

1 stop25h 46m

Bilbao

Wed 8/20

12:30 pm-11:59 am

1 stop32h 29m

$644

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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

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

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

Currently, January is the cheapest month in which you can book a flight from California to Bilbao (average of $541). Flying from 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.

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

Find hourly flight availability from California to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

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

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.
Get a feel of what it's like to fly with Delta, KLM and Finnair from California to Bilbao by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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.
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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.
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

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 California to Bilbao. 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 into for flights to Bilbao from California?

    For a flight from California to Bilbao, you will be flying into Bilbao. Bilbao (BIO) is just 3.0 mi from the center of the city.

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

    One-way options have recently been found by users for as low as $350 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Iberia from $360 and Vueling from $365 one-way.

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

    Most travelers choose San Francisco - Bilbao, Los Angeles - Bilbao or San Jose - Bilbao when deciding on the best route from California to Bilbao.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from California to Bilbao (average of $541). Flying from 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.

See more FAQs

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Alternative routes for California to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to San Sebastian flights
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San Jose to Bilbao flights
LaGuardia to San Sebastian flights
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Top 9 airlines flying from California to Bilbao

Discover the top 9 airlines that operate flights from California to Bilbao. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$436Average$881FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$556Average$1,121FlexibilityNo cancel feeOn-time76%
DeltaCheapest$563Average$1,139FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$597Average$695FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$599Average$1,083FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$599Average$1,153FlexibilityNo cancel feeOn-time77%
IberiaCheapest$611Average$1,029FlexibilityNo cancel feeOn-time77%
KLMCheapest$620Average$1,037FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$720Average$1,056FlexibilityNo cancel feeOn-time71%

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