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$307+ Cheap flights from San Francisco (SFO) 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIO
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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The best prices from San Francisco to Bilbao are usually found in February or September, booked 22 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

Cheap flight deals from San Francisco to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 December 22, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$578
(United)

One-way from

$307
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,068
Provider with most accurate pricing for San Francisco-Bilbao flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Bilbao flights.
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From San Francisco to Bilbao
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One-way flight from San Francisco to Bilbao
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High demand for flights, 21% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from San Francisco to Bilbao

Cheapest flights from San Francisco to Bilbao
Explore the most affordable flight options available from San Francisco to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 22, 2024.

This United deal was found by Cheapflights users on 12/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/248:25 amSFO - BIO
2 stops41h 30mUnited Airlines
Tue 12/3111:35 amBIO - SFO
1 stop16h 10mUnited Airlines
Deal found 12/21$1,706
This Air Canada deal was found by Cheapflights users on 12/21. 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.
Tue 12/248:45 amSFO - BIO
2 stops24h 20mAir Canada
Tue 12/311:00 pmBIO - SFO
3 stops33h 23mAir Canada
Deal found 12/21$2,428
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/222:10 pmSFO - BIO
2 stops23h 10mIberia
Fri 1/39:15 amBIO - SFO
2 stops24h 24mIberia
Deal found 12/21$3,731
This KLM deal was found by Cheapflights users on 12/21. 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.
Sun 12/223:25 pmSFO - BIO
1 stop16h 55mKLM
Fri 1/35:20 pmBIO - SFO
1 stop27h 30mKLM
Deal found 12/21$3,834

Find flights from San Francisco to Bilbao within your budget

Customize your flight search to find flights from San Francisco 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 2/4

8:35 pm-9:50 pm

1 stop16h 15m

Bilbao

Tue 2/11

6:45 am-1:56 pm

2 stops40h 11m

$578

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 2/4

8:35 pm-9:50 pm

1 stop16h 15m

Bilbao

Tue 2/11

6:45 am-3:31 pm

2 stops41h 46m

$584

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 2/4

3:25 pm-5:20 pm

1 stop16h 55m

Bilbao

Tue 2/11

6:50 am-11:50 am

1 stop14h 00m

$587

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Thu 2/20

7:00 am-12:20 pm

2 stops20h 20m

Bilbao

Tue 2/25

6:45 am-9:06 pm

2 stops23h 21m

$630

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 2/3

7:25 pm-11:55 am

2 stops31h 30m

Bilbao

Mon 2/10

11:35 am-4:25 pm

2 stops37h 50m

$633

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Thu 1/23

3:25 pm-5:20 pm

1 stop16h 55m

Bilbao

Tue 1/28

6:50 am-11:50 am

1 stop14h 00m

$637

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sat 1/18

1:40 pm-11:55 am

2 stops37h 15m

Bilbao

Sat 2/8

7:20 am-6:45 pm

1 stop20h 25m

$658

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 5/6

5:50 pm-11:15 pm

1 stop20h 25m

Bilbao

Wed 5/14

6:45 am-12:04 am

2 stops26h 19m

$680

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 5/6

6:50 pm-5:25 pm

1 stop37h 35m

Bilbao

Wed 5/14

6:25 pm-4:45 pm

1 stop31h 20m

$686

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 5/13

5:45 pm-4:55 pm

1 stop14h 10m

Bilbao

Wed 5/21

9:35 pm-4:10 pm

1 stop27h 35m

$689

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 18 results
1
2

Compare providers for flights from San Francisco to Bilbao

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Bilbao in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Bilbao. Price data was last updated on December 20, 2024.

The best time to book flights from San Francisco to Bilbao is 21 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Bilbao (average of $541). Flying from San Francisco to Bilbao in June is currently the most expensive (average of $1,178). 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 SFO to BIO?

Find hourly flight availability from San Francisco 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 December 22, 2024.

It’s optimal to fly from San Francisco to Bilbao in the evening. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Francisco to Bilbao?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Bilbao. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Bilbao flight should consider departing on Sunday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 22, 2024.
Delta
8.0
Very good
8,597 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,597 reviews
Delta
8.0
Very good
8,597 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,342 reviews
Delta
8.0
Very good
8,597 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air France
7.4
Good
1,501 reviews
Delta
8.0
Very good
8,597 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,035 reviews
Delta
8.0
Very good
8,597 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,413 reviews
Delta
8.0
Very good
8,597 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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 San Francisco 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 flying from San Francisco to Bilbao round-trip?

    Currently priced at $584, United Airlines will fly you from San Francisco to Bilbao and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Air Canada - these airlines can fly you to your destination from $587 and $630, respectively. United Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Lufthansa. According to our data, you can fly for as low as $347. Users have also found prices from $451 and $454 on Air France and Iberia, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco 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 San Francisco to Bilbao?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Bilbao (average of $541). Flying from San Francisco to Bilbao in June is currently the most expensive (average of $1,178). 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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Top 10 airlines flying from San Francisco to Bilbao

Discover the top 10 airlines that operate flights from San Francisco 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$501Average$1,096FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$574Average$1,154FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$579Average$960FlexibilityNo cancel feeOn-time69%
SWISSCheapest$613Average$687FlexibilityNo cancel feeOn-time79%
DeltaCheapest$629Average$1,071FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$630Average$1,101FlexibilityNo cancel feeOn-time77%
VuelingCheapest$657Average$993FlexibilityNo cancel feeOn-time88%
Air CanadaCheapest$667Average$1,160FlexibilityNo cancel feeOn-time67%
KLMCheapest$696Average$1,159FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$730Average$1,495FlexibilityNo cancel feeOn-time77%
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