351 € Cheap Flights from Bilbao to San Francisco International

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Flight deals from Bilbao to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Bilbao Airport to San Francisco International Airport? If you want to travel next month, return fares start from 663 €. Find the lowest prices on one-way and return tickets right here.

San Francisco.351 € per passenger.Departing Thu, 10 Sep, returning Wed, 23 Sep.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Bilbao on Thu, 10 Sep, arriving in San Francisco International.Inbound indirect flight with Iberia, departs from San Francisco International on Wed, 23 Sep, arriving in Bilbao.Price includes taxes and charges.From 351 €, select.

San Francisco.358 € per passenger.Departing Tue, 3 Nov, returning Thu, 12 Nov.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Bilbao on Tue, 3 Nov, arriving in San Francisco International.Inbound indirect flight with British Airways, departs from San Francisco International on Thu, 12 Nov, arriving in Bilbao.Price includes taxes and charges.From 358 €, select.

San Francisco.358 € per passenger.Departing Thu, 8 Oct, returning Mon, 12 Oct.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Bilbao on Thu, 8 Oct, arriving in San Francisco International.Inbound indirect flight with British Airways, departs from San Francisco International on Mon, 12 Oct, arriving in Bilbao.Price includes taxes and charges.From 358 €, select.

San Francisco.373 € per passenger.Departing Tue, 20 Oct, returning Sun, 1 Nov.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Bilbao on Tue, 20 Oct, arriving in San Francisco International.Inbound indirect flight with British Airways, departs from San Francisco International on Sun, 1 Nov, arriving in Bilbao.Price includes taxes and charges.From 373 €, select.

San Francisco.446 € per passenger.Departing Thu, 24 Sep, returning Thu, 8 Oct.Return flight with Air France.Outbound indirect flight with Air France, departs from Bilbao on Thu, 24 Sep, arriving in San Francisco International.Inbound indirect flight with Air France, departs from San Francisco International on Thu, 8 Oct, arriving in Bilbao.Price includes taxes and charges.From 446 €, select.

San Francisco.451 € per passenger.Departing Mon, 16 Nov, returning Tue, 1 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Bilbao on Mon, 16 Nov, arriving in San Francisco International.Inbound indirect flight with Delta, departs from San Francisco International on Tue, 1 Dec, arriving in Bilbao.Price includes taxes and charges.From 451 €, select.

San Francisco.503 € per passenger.Departing Sat, 6 Feb, returning Tue, 16 Feb.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Bilbao on Sat, 6 Feb, arriving in San Francisco International.Inbound indirect flight with British Airways, departs from San Francisco International on Tue, 16 Feb, arriving in Bilbao.Price includes taxes and charges.From 503 €, select.

San Francisco.507 € per passenger.Departing Tue, 22 Dec, returning Sat, 2 Jan.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Bilbao on Tue, 22 Dec, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Sat, 2 Jan, arriving in Bilbao.Price includes taxes and charges.From 507 €, select.

San Francisco.538 € per passenger.Departing Sun, 30 Aug, returning Sat, 12 Sep.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Bilbao on Sun, 30 Aug, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Sat, 12 Sep, arriving in Bilbao.Price includes taxes and charges.From 538 €, select.

San Francisco.563 € per passenger.Departing Sat, 9 Jan, returning Tue, 12 Jan.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Bilbao on Sat, 9 Jan, arriving in San Francisco International.Inbound indirect flight with British Airways, departs from San Francisco International on Tue, 12 Jan, arriving in Bilbao.Price includes taxes and charges.From 563 €, select.

San Francisco.624 € per passenger.Departing Wed, 14 Apr, returning Fri, 30 Apr.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Bilbao on Wed, 14 Apr, arriving in San Francisco International.Inbound indirect flight with Lufthansa, departs from San Francisco International on Fri, 30 Apr, arriving in Bilbao.Price includes taxes and charges.From 624 €, select.

San Francisco.626 € per passenger.Departing Thu, 18 Mar, returning Sat, 10 Apr.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Bilbao on Thu, 18 Mar, arriving in San Francisco International.Inbound indirect flight with Air France, departs from San Francisco International on Sat, 10 Apr, arriving in Bilbao.Price includes taxes and charges.From 626 €, select.

San Francisco.634 € per passenger.Departing Thu, 10 Jun, returning Wed, 16 Jun.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Bilbao on Thu, 10 Jun, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Wed, 16 Jun, arriving in Bilbao.Price includes taxes and charges.From 634 €, select.

San Francisco.653 € per passenger.Departing Tue, 23 Mar, returning Tue, 30 Mar.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Bilbao on Tue, 23 Mar, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Tue, 30 Mar, arriving in Bilbao.Price includes taxes and charges.From 653 €, select.

San Francisco.663 € per passenger.Departing Tue, 25 Aug, returning Mon, 31 Aug.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Bilbao on Tue, 25 Aug, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Mon, 31 Aug, arriving in Bilbao.Price includes taxes and charges.From 663 €, select.

San Francisco.711 € per passenger.Departing Sat, 28 Nov, returning Sun, 28 Feb.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from Bilbao on Sat, 28 Nov, arriving in San Francisco International.Inbound indirect flight with Lufthansa, departs from San Francisco International on Sun, 28 Feb, arriving in Bilbao.Price includes taxes and charges.From 711 €, select.

Find the cheapest month to fly from Bilbao to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bilbao to San Francisco International flights are currently cheapest in September.

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Bilbao to San Francisco International: Alternative routes

Compare routes from Bilbao to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Bilbao to San Francisco: Flight information

The things to know before you go.

Cheapest flight found	351 €
Cheapest month to fly	September

Finding cheap flights from Bilbao to San Francisco International: Frequently asked questions

How much are return flights from Bilbao to San Francisco International?

The best price we found for a return flight from Bilbao to San Francisco International is 351 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Bilbao to San Francisco International?

Currently, there are no airlines that fly direct from Bilbao to San Francisco International. But we found flights with one or more stops from 351 €.

How many flights are there a week from Bilbao to San Francisco International?

As of July 2026, there are no flights flying from Bilbao to San Francisco International.

When is the cheapest time to fly from Bilbao to San Francisco International?

The cheapest month to fly from Bilbao to San Francisco International is usually September.

Which upcoming date is cheapest to fly from Bilbao Airport to San Francisco International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bilbao Airport to San Francisco International Airport on Thursday, 10 September 2026.

Can I get a direct flight from Bilbao Airport to San Francisco International Airport?

No airlines currently offer direct flights between Bilbao Airport and San Francisco International Airport. Most routes have one or more stops.

How can I find the best flight deal to San Francisco International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to San Francisco?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Bilbao Airport to San Francisco International with?

Currently, Iberia offers the cheapest flight tickets to San Francisco International.

Travelling from Bilbao Airport (BIO) to San Francisco International Airport (SFO): what you need to know

San Francisco's timezone is UTC-8, which makes San Francisco nine hours behind Bilbao.
Leave enough time to catch your BIO to SFO flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.
During popular months such as June, it's best to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during a high season in general.
Think about adding a stopover when booking your ticket from Bilbao Airport to San Francisco International Airport. Just uncheck 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Check out these options between BIO and SFO:
- Frankfurt am Main Airport
- Paris Charles de Gaulle Airport
- Barcelona Airport

How to find the cheapest flights from Bilbao Airport (BIO) to San Francisco International Airport (SFO)

At the moment, 335 € is the cheapest price we've seen for a one-way Bilbao Airport to San Francisco International Airport flight. The best price for a return plane ticket is 351 €. Bear in mind that fares could change due to availability at the time of booking.
Don't leave things to the last moment. You're more likely to get cheap tickets from BIO to SFO if you book early. Airlines often offer some amazing early bird deals.
The 'Whole month' tool shows you the cheapest flights from Bilbao Airport to San Francisco International Airport across the entire month. It's an easy way to snap up a bargain if your travel plans are flexible.
Picking up cheap flights from BIO to SFO is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as a lower fare pops up.
Select your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Bilbao Airport to San Francisco International Airport.

Handy information about Bilbao Airport (BIO)

85% of flights leaving Bilbao Airport touch down at their destination on schedule. Given its strong performance rating, disruptions are unlikely when jetting out of BIO.
Central Bilbao to Bilbao Airport is around 11 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're catching a taxi, ride-sharing or driving.
Taking public transport? Expect a journey time of around 30 minutes.
Searching for a handy hotel near BIO? If you're boarding an early flight from Bilbao Airport to San Francisco International Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at San Francisco International Airport (SFO)

Consider booking a hotel close to SFO if you're catching a late Bilbao Airport to San Francisco International Airport flight. Check in to one of these options and make your arrival easier:
Get your adventure underway by picking up a San Francisco International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Hertz and explore beyond San Francisco's usual tourist stops.
Reserving your ride from San Francisco International Airport about one week in advance boosts your odds of scoring a great price.

Getting from San Francisco International Airport (SFO) to central San Francisco

From San Francisco International Airport, San Francisco is approximately 21 kilometres away. It takes around 25 minutes to reach the centre driving.
It typically takes 35 minutes when travelling by public transport.

When to fly to San Francisco International Airport (SFO)

July is the most popular month for flights from Bilbao Airport to San Francisco International Airport. To steer clear of the crowds, visit San Francisco in March.
When booking your flight from Bilbao Airport to San Francisco International Airport, consider the type of weather you enjoy. September is the warmest month in San Francisco, with the temperature ranging from 12ºC (54ºF) to 24ºC (75ºF).
January sees average temperatures of between 5ºC (41ºF) and 16ºC (61ºF). Look for cheap tickets from BIO to SFO sometime around then if you want to travel in cooler conditions.

Explore more of the United States

San Jose is just one of the many cities in the United States waiting to be discovered once you've seen the sights of San Francisco. Around 64 kilometres away to the south-east, check out popular attractions including Winchester Mystery House, The Tech Interactive and Santa Clara Valley.
If there's time to check out another well-known destination in the United States, consider Fresno, roughly 257 kilometres south-east of San Francisco. Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo are among its highlights.