San Francisco

$416+ Cheap flights from Bilbao (BIO) to San Francisco (SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SFO
nov. 5 — nov. 121
1 adult
mar. 11/5
mar. 11/12
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The best prices from Bilbao to San Francisco are usually found in February or March, booked 88 days in advance, depart on a Sunday or Thursday and return on a Tuesday

Cheap flight deals from Bilbao to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to San Francisco (SFO). 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 octubre 31, 2024.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

July

Cheapest in

February

Average price

$558

Round-trip from

$416
(Booking.com)
Provider with most accurate pricing for Bilbao-San Francisco flight deals.
Provider most trusted by Cheapflights users for Bilbao-San Francisco flights.
High demand for flights, 29% potential price rise
Best time to find cheap flights, 37% potential price drop
Average for round-trip flights in October 2024
From Bilbao to San Francisco

Find flight deals from Bilbao to San Francisco

Cheapest flights from Bilbao to San Francisco
Explore the most affordable flight options available from Bilbao to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 31, 2024.

This KLM deal was found by Cheapflights users on 10/30. 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.
jue. 11/146:50 amBIO - SFO
2 stops18h 15mKLM
lun. 11/183:25 pmSFO - BIO
1 stop21h 55mKLM
Deal found 10/30$429
This Air France deal was found by Cheapflights users on 10/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/246:50 amBIO - SFO
1 stop14h 00mMultiple Airlines
vie. 12/62:25 pmSFO - BIO
2 stops17h 55mMultiple Airlines
Deal found 10/30$432
This Delta deal was found by Cheapflights users on 10/30. 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.
dom. 11/246:50 amBIO - SFO
1 stop14h 00mDelta
vie. 12/63:50 pmSFO - BIO
1 stop15h 40mDelta
Deal found 10/30$434
This Air France deal was found by Cheapflights users on 10/30. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/147:20 amBIO - SFO
1 stop14h 50mAir France
lun. 11/183:25 pmSFO - BIO
1 stop21h 55mAir France
Deal found 10/30$437
This United Airlines deal was found by Cheapflights users on 10/30. 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.
mar. 11/197:20 amBIO - SFO
1 stop16h 30mUnited Airlines
mar. 11/262:20 pmSFO - BIO
2 stops22h 30mUnited Airlines
Deal found 10/30$497
This lol.travel deal was found by Cheapflights users on 10/31. 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.
sáb. 11/236:45 amBIO - SFO
2 stops23h 14mAir Canada
lun. 12/98:30 amSFO - BIO
2 stops18h 15mAir Canada
Deal found 10/31$512
This SWISS deal was found by Cheapflights users on 10/30. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/2011:35 amBIO - SFO
2 stops37h 50mSWISS
mié. 11/277:25 pmSFO - BIO
2 stops31h 55mSWISS
Deal found 10/30$554
This Expedia deal was found by Cheapflights users on 10/29. 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.
dom. 11/241:35 pmBIO - SFO
2 stops19h 35mBritish Airways
lun. 12/98:40 pmSFO - BIO
2 stops17h 35mBritish Airways
Deal found 10/29$599
This Brussels Airlines deal was found by Cheapflights users on 10/30. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/221:40 pmBIO - SFO
2 stops55h 55mBrussels Airlines
dom. 3/239:35 pmSFO - BIO
2 stops31h 15mBrussels Airlines
Deal found 10/30$630
This American Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 11/259:15 amBIO - SFO
2 stops23h 11mAmerican Airlines
dom. 12/111:48 pmSFO - BIO
2 stops32h 07mAmerican Airlines
Deal found 10/30$671
This Orbitz deal was found by Cheapflights users on 10/31. 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.
vie. 12/2012:10 pmBIO - SFO
1 stop31h 55mTurkish Airlines
dom. 1/56:50 pmSFO - BIO
1 stop31h 20mTurkish Airlines
Deal found 10/31$861
This Expedia deal was found by Cheapflights users on 10/31. 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.
dom. 12/226:45 amBIO - SFO
1 stop14h 50mLufthansa
dom. 1/512:50 pmSFO - BIO
2 stops18h 45mLufthansa
Deal found 10/31$903

Find flights from Bilbao to San Francisco within your budget

Customize your flight search to find flights from Bilbao to San Francisco 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 2,570,725 searches. Data last updated octubre 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

mar. 1/7

12:30 pm-12:36 pm

2 stops33h 06m

$584

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

mar. 1/7

6:40 pm-2:40 pm

1 stop29h 00m

$782

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

mar. 1/7

11:35 am-9:44 am

2 stops55h 09m

$1,350

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

lun. 2/3

5:20 pm-11:50 am

1 stop27h 30m

San Francisco

dom. 2/16

1:50 pm-10:45 pm

1 stop23h 55m

$416

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

dom. 11/24

6:50 am-11:50 am

1 stop14h 00m

San Francisco

vie. 12/6

2:25 pm-5:20 pm

2 stops17h 55m

$432

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

dom. 11/24

6:50 am-11:50 am

1 stop14h 00m

San Francisco

vie. 12/6

3:50 pm-4:30 pm

1 stop15h 40m

$434

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

jue. 11/14

7:20 am-1:10 pm

1 stop14h 50m

San Francisco

lun. 11/18

3:25 pm-10:20 pm

1 stop21h 55m

$437

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

jue. 3/13

6:45 am-11:05 pm

2 stops24h 20m

San Francisco

lun. 4/28

1:21 pm-11:15 pm

2 stops24h 54m

$491

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

mar. 11/19

7:20 am-2:50 pm

1 stop16h 30m

San Francisco

mar. 11/26

2:20 pm-9:50 pm

2 stops22h 30m

$497

BilbaoSan Francisco

BIO - SFO

BIOSFO

Bilbao

sáb. 11/23

6:45 am-8:59 pm

2 stops23h 14m

San Francisco

lun. 12/9

8:30 am-11:45 am

2 stops18h 15m

$512

Flights are sorted by cheapest first

Deals found on 10/29

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Bilbao-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bilbao-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bilbao-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bilbao-San Francisco flights, Cheapflights users trust eDreams the most. eDreams 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 Bilbao-San Francisco 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 Bilbao to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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.

Travel insights for flights from Bilbao to San Francisco

Get recent, data-driven insights about flights from Bilbao to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Bilbao to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Bilbao to San Francisco. Price data was last updated on October 25, 2024.

The price you pay for your flight from Bilbao to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Bilbao to San Francisco (average of $276). Flying from Bilbao to San Francisco in June is currently the most expensive (average of $382). 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 SFO?

Find hourly flight availability from Bilbao to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 31, 2024.

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from Bilbao to San Francisco by exploring options for tickets at noon.

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated octubre 31, 2024.
Peruse reviews from past customers who have flown with Delta, United Airlines and American Airlines from Bilbao to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

8.0
Very good
8,835 reviews
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.8
Good
1,352 reviews
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.7
Good
1,318 reviews
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.6
Good
1,644 reviews
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.4
Good
1,531 reviews
8.0
Very good
8,835 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Related info for your journey

Find useful and relevant information for your journey from Bilbao to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Bilbao to San Francisco for under $500 on Cheapflights?

    Yes, there are multiple flights from Bilbao to San Francisco for under $500. The cheapest flight booked recently is on KLM for just $416, but on average you can expect to pay $571.

  • Are there last-minute flights available from Bilbao to San Francisco for under $700?

    There are currently 3+ open flights from Bilbao to San Francisco within the next 7 days for less than $700.

  • What are the cheapest airlines flying from Bilbao to San Francisco round-trip?

    KLM, at $416, was found to be the cheapest airline from Bilbao to San Francisco.Alternate airlines to your destination round-trip include Delta and Air France. KLM is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does BIO to SFO mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Bilbao Airport to San Francisco Airport flight would often be abbreviated as a BIO to SFO flight.

  • Can I find deals for flights from Bilbao to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring on your Bilbao to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Bilbao to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Bilbao to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Bilbao to San Francisco?

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

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

    Yes. Cheapflights offers flight deals from Bilbao to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Bilbao to San Francisco that allow pets onboard?

    Many airlines flying from Bilbao to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Bilbao to San Francisco?

    Yes, you can often find last-minute deals on Bilbao to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Bilbao to San Francisco flight deals updated?

    The Bilbao to San Francisco flight deals you see on this page were last updated on 10/31.

  • What is the cheapest month to book a flight from Bilbao to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Bilbao to San Francisco (average of $276). Flying from Bilbao to San Francisco in June is currently the most expensive (average of $382). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Bilbao to San Francisco

Discover the top 3 airlines that operate flights from Bilbao to San Francisco. 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 2,570,725 searches. Data last updated octubre 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$345Average$628FlexibilityNo cancel feeOn-time76%
DeltaCheapest$491Average$549FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$561Average$874FlexibilityNo cancel feeOn-time69%
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