Cheap flights from San Francisco to Bilbao from $322
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Bilbao departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from San Francisco to Bilbao
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How to get the cheapest flight ticket from San Francisco to Bilbao
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 Bilbao?
The cheapest month to fly to Bilbao from San Francisco is in September. Flight prices, which tend to average around $727, are often lower during this time because this is during the off-season. If you’re not able to fly to Bilbao in September, then March is your next best option. Flight prices from San Francisco to Bilbao during March average around $750.
What is the cheapest day to depart on your flight to Bilbao?
The cheapest day to depart from San Francisco to Bilbao is on a Sunday. Travelers who choose to depart for Bilbao on a Sunday will often find tickets for as low as $869. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,286. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.
What is the cheapest time of day to depart on your flight to Bilbao?
Our most recent data shows that the best time of day to fly to Bilbao is in the evening. Flights from San Francisco to Bilbao during this time can be as low as $958. At noon is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,217 per ticket.
How far in advance should I book a flight to Bilbao?
You are more likely to see cheaper flights to Bilbao from San Francisco when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Bilbao for around $943 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bilbao from San Francisco for as low as $621 on momondo.
What is the cheapest airline that flies from San Francisco to Bilbao?
TAP AIR PORTUGAL, Vueling, and Aer Lingus are the most popular carriers operating from San Francisco to Bilbao
What airlines fly to Bilbao?
United Airlines, Lufthansa and Iberia are the top three most popular airlines that fly to Bilbao from San Francisco according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 10 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.
When to book flights from San Francisco to Bilbao
Cheap San Francisco to Bilbao (SFO to BIO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Bilbao
How far is San Francisco to Bilbao by plane?
There are 5671.4 mi between San Francisco and Bilbao. Flights usually cover this in 13h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from San Francisco Airport to Bilbao Airport?
Prices for flights from San Francisco Airport to Bilbao Airport refresh daily.
How many operators does momondo search for flights from San Francisco Airport to Bilbao Airport?
As of April 2025, there are 9 operators available to choose from for flights from San Francisco Airport to Bilbao Airport.
How old do you have to be to fly from San Francisco Airport to Bilbao 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 San Francisco Airport to Bilbao Airport.
What documentation or ID do you need to fly to Bilbao Airport?
The travel and health documents required for your trip to Bilbao Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bilbao Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from San Francisco to Bilbao?
momondo data reveals that the most frequently booked airline on the route from San Francisco to Bilbao is United Airlines, representing 36% of all bookings. The subsequent popular airlines are Lufthansa at 23%, KLM at 12%, and Delta at 11%.
Best airlines flying from San Francisco to Bilbao
Compare and see reviews for airlines that fly from San Francisco to Bilbao with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $501 | Free Cancellation | Rating 4.0 4 reviews | |||
| PriceFrom $557 | Free Cancellation | Rating 6.7 7,002 reviews | |||
| PriceFrom $597 | Free Cancellation | Rating 7.5 1,578 reviews | |||
| PriceFrom $600 | Free Cancellation | Rating 7.4 8,658 reviews | |||
| PriceFrom $620 | Free Cancellation | Rating 7.8 1,323 reviews | |||
| PriceFrom $640 | Free Cancellation | Rating 8.0 7,917 reviews | |||
| PriceFrom $703 | Free Cancellation | Rating 7.0 2,673 reviews | |||
| PriceFrom $730 | Free Cancellation | Rating 7.5 1,435 reviews | |||
| PriceFrom $966 | Free Cancellation | Rating 7.0 9,127 reviews |
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Why should I use momondo to find a flight deal from San Francisco to Bilbao?
It is quick and easy to find San Francisco to Bilbao 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 Bilbao that suits you.
Can I find flights from San Francisco to Bilbao with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Bilbao from San Francisco with this policy.
How can momondo help me find flights from San Francisco to Bilbao?
momondo provides multiple filters to help you find the best flight to Bilbao from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from San Francisco to Bilbao right now. Can momondo alert me if prices change?
Price alerts on flights to Bilbao from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.