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Bilbao

$264+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BIO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Bilbao are usually found in September or March, 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 July 31, 2025.

Round-trip from

$493
(lol.travel)

One-way from

$266
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$965
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. 3% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/159:05 pmSFO - BIO
1 stop17h 20mUnited Airlines
Wed 10/2912:45 pmBIO - SFO
1 stop16h 25mUnited Airlines
Deal found 7/31$546
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:05 pmSFO - BIO
1 stop17h 20mLufthansa
Thu 9/256:45 amBIO - SFO
1 stop14h 55mLufthansa
Deal found 7/30$549
This Gotogate deal was found by Cheapflights users on 7/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/218:10 pmSFO - BIO
1 stop27h 05mVueling
Sat 10/47:00 amBIO - SFO
1 stop20h 10mVueling
Deal found 7/30$552
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 9/157:40 pmSFO - BIO
1 stop15h 35mMultiple Airlines
Thu 9/256:45 amBIO - SFO
1 stop14h 55mMultiple Airlines
Deal found 7/31$567
This Iberia deal was found by Cheapflights users on 7/31. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:00 amSFO - BIO
2 stops32h 15mIberia
Wed 9/246:45 amBIO - SFO
1 stop19h 00mIberia
Deal found 7/31$595
This SWISS deal was found by Cheapflights users on 7/30. 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.
Mon 9/157:40 pmSFO - BIO
1 stop15h 35mSWISS
Tue 9/239:00 pmBIO - SFO
1 stop28h 10mSWISS
Deal found 7/30$597
This Air Canada deal was found by Cheapflights users on 7/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:15 pmSFO - BIO
2 stops41h 30mAir Canada
Thu 9/256:45 amBIO - SFO
2 stops25h 24mAir Canada
Deal found 7/31$598
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:25 pmSFO - BIO
1 stop29h 00mDelta
Wed 9/247:10 amBIO - SFO
1 stop14h 40mDelta
Deal found 7/31$612

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 July 31, 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

Wed 10/15

9:05 pm-11:25 pm

1 stop17h 20m

Bilbao

Wed 10/29

12:45 pm-9:10 pm

1 stop16h 25m

$546

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/15

9:05 pm-11:25 pm

1 stop17h 20m

Bilbao

Thu 9/25

6:45 am-12:40 pm

1 stop14h 55m

$549

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 9/21

8:10 pm-8:15 am

1 stop27h 05m

Bilbao

Sat 10/4

7:00 am-6:10 pm

1 stop20h 10m

$552

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/15

7:40 pm-8:15 pm

1 stop15h 35m

Bilbao

Thu 9/25

6:45 am-12:40 pm

1 stop14h 55m

$567

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/15

6:00 am-11:15 pm

2 stops32h 15m

Bilbao

Wed 9/24

6:45 am-4:45 pm

1 stop19h 00m

$595

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Mon 9/15

7:40 pm-8:15 pm

1 stop15h 35m

Bilbao

Tue 9/23

9:00 pm-4:10 pm

1 stop28h 10m

$597

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Sun 9/14

12:15 pm-2:45 pm

2 stops41h 30m

Bilbao

Thu 9/25

6:45 am-11:09 pm

2 stops25h 24m

$598

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Thu 9/18

8:25 pm-10:25 am

1 stop29h 00m

Bilbao

Thu 9/25

11:05 am-6:15 pm

1 stop16h 10m

$612

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Tue 9/9

6:45 pm-11:00 pm

3 stops43h 15m

$264

San FranciscoBilbao

SFO - BIO

SFOBIO

San Francisco

Thu 10/2

8:10 pm-10:10 am

1 stop29h 00m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 18 results
1
2

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 July 25, 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 $1,135). 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 July 31, 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.

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 July 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and SWISS from Fremont to Bilbao 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.
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
1,383 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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 Canada
7.1
Good
9,851 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

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. 7 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 $283 on LEVEL. Other airlines that offer cheap prices include Aer Lingus from $424 and Iberia from $428 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 $1,135). 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 7 airlines flying from Fremont to Bilbao

Discover the top 7 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$427Average$788FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$557Average$967FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$599Average$746FlexibilityNo cancel feeOn-time77%
KLMCheapest$612Average$783FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$623Average$967FlexibilityNo cancel feeOn-time69%
DeltaCheapest$629Average$901FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$739Average$1,109FlexibilityNo cancel feeOn-time77%

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