$304+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Fremont to Bilbao with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Fremont to Bilbao are usually found in October or September, booked 87 days in advance, depart on a Sunday or Tuesday and return on a Wednesday
Find flight deals from Fremont to Bilbao
Cheapest flights from Fremont to BilbaoExplore 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 octubre 30, 2025.
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 octubre 30, 2025.
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 10/28. 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.
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CrystalTravel 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 octubre 30, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $507 (CrystalTravel) |
One-way from | $304 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $572 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from Fremont to Bilbao that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
jue. 2/12
8:45 pm-9:55 pm
1 stop16h 10m
Bilbao
dom. 2/22
6:45 am-12:40 pm
1 stop14h 55m
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
mié. 11/19
6:00 am-4:10 pm
2 stops25h 10m
Bilbao
mié. 11/26
7:25 am-7:35 pm
1 stop21h 10m
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
mar. 11/25
9:40 pm-9:55 pm
1 stop15h 15m
Bilbao
mar. 12/2
12:50 pm-12:40 pm
1 stop32h 50m
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
mié. 11/12
9:40 pm-9:55 pm
1 stop15h 15m
Bilbao
dom. 11/16
6:45 am-8:10 pm
1 stop22h 25m
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
mié. 3/18
6:45 am-4:10 pm
2 stops25h 25m
Bilbao
dom. 3/22
6:45 am-1:40 pm
1 stop14h 55m
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
dom. 3/15
12:55 pm-4:40 pm
2 stops19h 45m
Bilbao
dom. 3/29
11:50 am-1:04 am
2 stops22h 14m
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
lun. 12/1
2:40 pm-4:40 pm
1 stop17h 00m
Bilbao
dom. 12/7
12:45 pm-1:20 pm
2 stops33h 35m
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
lun. 11/10
9:40 pm-11:05 pm
1 stop16h 25m
Bilbao
mar. 11/25
6:45 am-7:24 am
2 stops33h 39m
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
sáb. 11/29
10:55 am-6:05 pm
2 stops22h 10m
Bilbao
sáb. 12/6
11:35 am-1:15 am
2 stops22h 40m
San FranciscoBilbao
SFO - BIO
SFOBIO
San Francisco
lun. 11/10
3:40 pm-5:20 pm
1 stop16h 40m
Bilbao
mar. 11/25
6:50 am-11:50 am
1 stop14h 00m
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.
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 October 24, 2025.
Booking 86 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, March is the cheapest month in which you can book a flight from Fremont to Bilbao (average of $395). Flying from Fremont to Bilbao in June is currently the most expensive (average of $901). 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 octubre 30, 2025.
A simple way to save on the total cost of your ticket is to fly from Fremont to Bilbao in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.
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 Wednesday mornings 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.
How much does it cost to fly round-trip from Fremont to Bilbao?
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 octubre 30, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines 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.
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
Overall
Boarding
Entertainment
Crew
Comfort
Food
Reviews
Aaron,Oct 2024
LAX - LHR
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Fremont to Bilbao
See prices for flight routes from nearby airports that may be better suited for you.
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 octubre 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$427 | Average$705 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$447 | Average$690 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$470 | Average$698 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$472 | Average$771 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$589 | Average$1,028 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$612 | Average$965 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$675 | Average$895 | FlexibilityNo cancel fee | On-timeN/A |