Cheap flights from Bilbao to San Francisco from $334
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bilbao to San Francisco departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Bilbao to San Francisco
Cheap round-trip flights
Cheap one-way flights
Finnair flights from Bilbao to San Francisco
Our best Finnair deals on Bilbao to San Francisco flight tickets
TAP AIR PORTUGAL flights from Bilbao to San Francisco
Our best TAP AIR PORTUGAL deals on Bilbao to San Francisco flight tickets
See travel insights to San Francisco from
How to get the cheapest flight ticket from Bilbao to San Francisco
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Francisco?
If you aren’t able to travel to San Francisco during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $427.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Bilbao to San Francisco is on a Wednesday when prices can be found for as low as $669. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,219.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Bilbao to San Francisco flights are usually those with departure times in the afternoon. Our users have found flights to San Francisco in the afternoon for as low as $809. Flights in the morning are often more expensive with an average ticket price of $931.
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Bilbao when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $645 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Bilbao for as low as $534 on momondo.
What is the cheapest airline that flies from Bilbao to San Francisco?
TAP AIR PORTUGAL, Aer Lingus, and Finnair are the most popular carriers operating from Bilbao to San Francisco
What airlines fly to San Francisco?
United Airlines, Lufthansa and KLM are the top three most popular airlines that fly to San Francisco from Bilbao according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
When to book flights from Bilbao to San Francisco
Cheap Bilbao to San Francisco (BIO to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Bilbao to San Francisco
How far is Bilbao to San Francisco by plane?
The distance between Bilbao and San Francisco is about 5671.4 mi. Typically, this will take 13h 55m by plane in normal conditions.
When did momondo last update prices for flights from Bilbao Airport to San Francisco Airport?
Prices for flights from Bilbao Airport to San Francisco Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Bilbao Airport to San Francisco Airport?
As of March 2025, there are 3 operators available to choose from for flights from Bilbao Airport to San Francisco Airport.
How old do you have to be to fly from Bilbao Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bilbao Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Bilbao to San Francisco?
Based on momondo bookings for flights between Bilbao and San Francisco, the leading airline is United Airlines, making up 48% of the total bookings. Other popular airlines include Lufthansa with 28% and KLM with 25%.
Best airlines flying from Bilbao to San Francisco
Compare and see reviews for airlines that fly from Bilbao to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $397 | Free Cancellation | Rating 7.8 1,321 reviews | |||
| PriceFrom $467 | Free Cancellation | Rating 6.7 6,955 reviews | |||
| PriceFrom $538 | Free Cancellation | Rating 7.4 8,603 reviews |
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Bilbao to San Francisco?
It is quick and easy to find Bilbao to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.
Can I find flights from Bilbao to San Francisco with flexible booking policies on momondo?
All flight searches from Bilbao to San Francisco on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Bilbao to San Francisco?
Once all potential Bilbao to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Bilbao to San Francisco right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Bilbao to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.