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$331+ Cheap flights from Fremont, CA 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIO
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Bilbao are usually found in September or January, booked 31 days in advance, depart on a Sunday or Tuesday and return on a Wednesday

Cheap flight deals from Fremont to Bilbao

Keep the following information in mind while searching for Fremont to Bilbao flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$613
(Kiwi.com)

One-way from

$379
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$943
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 Fremont to Bilbao
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One-way flight from Fremont to Bilbao
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Highest demand for flights based on searches. 16% potential increase in price ($188 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Fremont to Bilbao

Cheapest flights from Fremont to Bilbao
Explore the most affordable flight options available from Fremont to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This United Airlines deal was found by Cheapflights users on 4/1. 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.
Sun 11/98:35 pmSFO - BIO
1 stop16h 15mUnited Airlines
Thu 11/276:45 amBIO - SFO
2 stops23h 57mUnited Airlines
Deal found 4/1$582
This CrystalTravel deal was found by Cheapflights users on 4/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:35 pmSFO - BIO
1 stop16h 15mLufthansa
Thu 11/277:20 amBIO - SFO
1 stop20h 25mLufthansa
Deal found 4/1$583
This KLM deal was found by Cheapflights users on 4/1. 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.
Mon 11/103:25 pmSFO - BIO
1 stop21h 55mKLM
Thu 11/275:20 pmBIO - SFO
1 stop27h 30mKLM
Deal found 4/1$588
This Delta deal was found by Cheapflights users on 4/1. 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.
Sat 11/89:55 pmSFO - BIO
2 stops34h 25mDelta
Fri 11/286:50 amBIO - SFO
1 stop14h 00mDelta
Deal found 4/1$592
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:30 pmSFO - BIO
1 stop27h 25mSWISS
Tue 5/69:00 pmBIO - SFO
1 stop28h 10mSWISS
Deal found 3/31$613
This Finnair deal was found by Cheapflights users on 4/2. 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.
Tue 5/65:45 pmSFO - BIO
1 stop16h 05mMultiple Airlines
Wed 5/149:35 pmBIO - SFO
1 stop27h 35mMultiple Airlines
Deal found 4/2$632
This Air Canada deal was found by Cheapflights users on 4/2. 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 5/68:15 amSFO - BIO
2 stops20h 05mAir Canada
Wed 5/146:45 amBIO - SFO
2 stops22h 25mAir Canada
Deal found 4/2$634
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 5/135:45 pmSFO - BIO
1 stop14h 10mAmerican Airlines
Wed 5/219:15 amBIO - SFO
2 stops20h 45mAmerican Airlines
Deal found 4/2$642
This Iberia deal was found by Cheapflights users on 4/1. 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 5/56:00 amSFO - BIO
2 stops21h 45mIberia
Mon 5/127:55 pmBIO - SFO
1 stop31h 05mIberia
Deal found 4/1$643
This FlightHub deal was found by Cheapflights users on 4/1. 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.
Wed 10/112:40 pmSFO - BIO
1 stop19h 45mTurkish Airlines
Fri 10/1712:05 pmBIO - SFO
1 stop37h 35mTurkish Airlines
Deal found 4/1$726
This Booking.com deal was found by Cheapflights users on 4/1. 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.
Tue 4/228:00 pmSFO - BIO
1 stop28h 55mVueling
Wed 6/43:10 pmBIO - SFO
1 stop35h 50mVueling
Deal found 4/1$739
This Justfly.com deal was found by Cheapflights users on 4/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/192:40 pmSFO - BIO
2 stops16h 25mBrussels Airlines
Sat 10/2512:10 pmBIO - SFO
2 stops34h 25mBrussels Airlines
Deal found 4/1$871

Cheapflights Fare Finder

Customize your flight search to find flights from Fremont 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 April 2, 2025.
Use the filters below to find and compare flights from Fremont to Bilbao that are best for you.

Fly from

Fremont

Fly to

Bilbao

Route

Depart

Return

Price

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 4/29

7:30 pm-7:55 am

1 stop27h 25m

Bilbao

Tue 5/6

9:00 pm-4:10 pm

1 stop28h 10m

$613

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 5/6

5:45 pm-6:50 pm

1 stop16h 05m

Bilbao

Wed 5/14

9:35 pm-4:10 pm

1 stop27h 35m

$632

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 5/6

8:15 am-1:20 pm

2 stops20h 05m

Bilbao

Wed 5/14

6:45 am-8:10 pm

2 stops22h 25m

$634

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 5/13

3:05 pm-10:00 pm

1 stop21h 55m

Bilbao

Wed 5/21

6:50 am-11:45 am

1 stop13h 55m

$641

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 5/13

5:45 pm-4:55 pm

1 stop14h 10m

Bilbao

Wed 5/21

1:30 pm-12:22 am

2 stops19h 52m

$642

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 4/13

9:05 pm-11:25 pm

1 stop17h 20m

Bilbao

Thu 4/24

11:50 am-7:00 pm

1 stop16h 10m

$644

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 4/29

8:25 am-5:50 pm

2 stops24h 25m

Bilbao

Tue 5/6

7:15 am-2:35 pm

1 stop16h 20m

$648

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 5/13

1:45 pm-4:40 pm

2 stops17h 55m

Bilbao

Wed 5/21

6:50 am-3:15 pm

2 stops17h 25m

$656

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 4/22

8:00 pm-9:55 am

1 stop28h 55m

Bilbao

Wed 6/4

3:10 pm-6:00 pm

1 stop35h 50m

$739

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sat 9/13

6:45 pm-11:05 am

1 stop31h 20m

Bilbao

Sun 9/28

6:30 pm-10:35 am

1 stop25h 05m

$817

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 25 results
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Best time to book a flight from Fremont to Bilbao

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

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

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Bilbao. Price data was last updated on March 28, 2025.

Booking 31 days in advance of your planned departure date is, on average, the best time to get cheap flights from Fremont to Bilbao. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Fremont to Bilbao (average of $541). Flying from Fremont 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 FR8 to BIO?

Find hourly flight availability from Fremont 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 April 2, 2025.

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

What is the cheapest day to fly from Fremont to Bilbao?

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

Travelers seeking maximum savings on their Fremont 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 April 2, 2025.
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
1,323 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
1,572 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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
7.4
Good
1,427 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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.
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,899 reviews

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.3

Crew

8.5

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 Fremont 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 Fremont?

    Bilbao (BIO), located 3.0 mi from the city center, is the airport you fly into when you book flights from Fremont to Bilbao. 9 airlines have flights to Bilbao from Fremont on a regular basis. Booking flights from Fremont to Bilbao should not be difficult; the airport handles an average of 0 inbound flights from Fremont per day.

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

    One-way options have recently been found by users for as low as $397 on Iberia. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $459 and Aer Lingus from $520 one-way.

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

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

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

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

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

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

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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Fremont to Bilbao

Discover the top 9 airlines that operate flights from Fremont 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$501Average$1,096FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$557Average$1,095FlexibilityNo cancel feeOn-time76%
SWISSCheapest$597Average$672FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$600Average$992FlexibilityNo cancel feeOn-time69%
KLMCheapest$620Average$1,004FlexibilityNo cancel feeOn-time75%
DeltaCheapest$640Average$980FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$703Average$1,102FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$730Average$1,495FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$966Average$1,302FlexibilityNo cancel feeOn-time67%

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