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Cheap Flights from Barcelona (BCN) to San Francisco (SFO)

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Compare Barcelona to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from Barcelona to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Barcelona to San Francisco International? Find the lowest prices on one-way and return tickets right here.
San Francisco.$742 per passenger.Departing Sun, 19 Oct, returning Wed, 5 Nov.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Barcelona on Sun, 19 Oct, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Wed, 5 Nov, arriving in Barcelona.Price includes taxes and charges.From $742, select.
San Francisco.$744 per passenger.Departing Thu, 4 Dec, returning Tue, 9 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Barcelona on Thu, 4 Dec, arriving in San Francisco International.Inbound indirect flight with Delta, departs from San Francisco International on Tue, 9 Dec, arriving in Barcelona.Price includes taxes and charges.From $744, select.
San Francisco.$744 per passenger.Departing Tue, 30 Sep, returning Fri, 10 Oct.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Barcelona on Tue, 30 Sep, arriving in San Francisco International.Inbound indirect flight with Air France, departs from San Francisco International on Fri, 10 Oct, arriving in Barcelona.Price includes taxes and charges.From $744, select.
San Francisco.$744 per passenger.Departing Wed, 5 Nov, returning Fri, 14 Nov.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Barcelona on Wed, 5 Nov, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Fri, 14 Nov, arriving in Barcelona.Price includes taxes and charges.From $744, select.
San Francisco.$744 per passenger.Departing Tue, 16 Sep, returning Tue, 23 Sep.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Barcelona on Tue, 16 Sep, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Tue, 23 Sep, arriving in Barcelona.Price includes taxes and charges.From $744, select.
San Francisco.$744 per passenger.Departing Wed, 8 Oct, returning Sat, 25 Oct.Return flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departs from Barcelona on Wed, 8 Oct, arriving in San Francisco International.Inbound indirect flight with TAP Air Portugal, departs from San Francisco International on Sat, 25 Oct, arriving in Barcelona.Price includes taxes and charges.From $744, select.
San Francisco.$744 per passenger.Departing Thu, 15 Jan, returning Thu, 22 Jan.Return flight with KLM and Air France.Outbound indirect flight with KLM, departs from Barcelona on Thu, 15 Jan, arriving in San Francisco International.Inbound indirect flight with Air France, departs from San Francisco International on Thu, 22 Jan, arriving in Barcelona.Price includes taxes and charges.From $744, select.
San Francisco.$744 per passenger.Departing Wed, 4 Mar, returning Thu, 19 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from Barcelona on Wed, 4 Mar, arriving in San Francisco International.Inbound indirect flight with Delta, departs from San Francisco International on Thu, 19 Mar, arriving in Barcelona.Price includes taxes and charges.From $744, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Barcelona to San Francisco International flights are currently cheapest in September.
May
from $881
Jun
from $926
Jul
from $1,059
Aug
from $898
Sep
from $744
Oct
from $744
Nov
from $744
Dec
from $744
Jan
from $744
Feb
from $744
Mar
from $744
Apr
from $938

Direct flights from Barcelona to San Francisco International

Barcelona to San Francisco International: Alternative routes

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

Barcelona to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$742
Cheapest month to flyOctober
Average flight time12 hrs, 54 mins
Most popular airlineUnited
Average flights per week22

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

The best price we found for a return flight from Barcelona to San Francisco International is $742. 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.
12 hours and 55 minutes is the average flight time from Barcelona to San Francisco International.
United, Lufthansa and Finnair fly direct from Barcelona to San Francisco International.
As of May 2025, there are 41 flights per week flying from Barcelona to San Francisco International.
The cheapest month to fly from Barcelona to San Francisco International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Barcelona Airport to San Francisco International Airport on Sunday, 19 October 2025.
Yes – the average flight time is 12 hours and 55 minutes.
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.
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.
Currently, TAP Air Portugal and Finnair offer the cheapest flight tickets to San Francisco International.

Travelling from Barcelona-El Prat Airport (BCN) to San Francisco International Airport (SFO): what you need to know

  • Take a direct flight from Barcelona-El Prat Airport to San Francisco International Airport and you'll be in the air for an average of 12 hours 30 minutes.

  • San Francisco is eight hours behind Barcelona and observes the UTC-7 timezone.

  • Flights from BCN to SFO start at 14:00 — the earliest with Iberia. The last departure is at 16:40 with Iberia. Overall, you can take your pick of 12 weekly Barcelona-El Prat Airport to San Francisco International Airport flights.

  • Your BCN to SFO flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Travelling during a peak month such as July? Public holidays and other popular periods can result in longer lines at security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • Iberia is your gateway to exploring San Francisco (and perhaps some other great corners of United States!). Browse the direct flights from Barcelona-El Prat Airport to San Francisco International Airport offered by this airline.

  • Most passengers choose to travel with Iberia on this route.

  • If you want to include a stop along the way, simply deselect 'Direct flights only' when searching for your ticket from Barcelona-El Prat Airport to San Francisco International Airport. Here are the top stopovers between BCN and SFO:

    • London Heathrow Airport

    • Charles de Gaulle Airport

    • Amsterdam Airport Schiphol

How to find the cheapest flights from Barcelona-El Prat Airport (BCN) to San Francisco International Airport (SFO)

  • At the moment, $440 is the cheapest price we've seen for a one-way Barcelona-El Prat Airport to San Francisco International Airport flight. The best price for a return ticket is $742. Keep in mind that fares may change due to availability when booking.

  • Book ten months before travelling. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from BCN to SFO.

  • The cheapest month for flights from Barcelona-El Prat Airport to San Francisco International Airport is September. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • There's no need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll let you know as soon as the price changes on cheap flights from BCN to SFO.

  • Select your ideal arrival and departure times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Barcelona-El Prat Airport to San Francisco International Airport.

Handy information about Barcelona-El Prat Airport (BCN)

  • When it comes to Barcelona-El Prat Airport's on-time performance, data shows 79.12% of flights meet their scheduled arrival time.

  • Barcelona-El Prat Airport is around 18 kilometres from central Barcelona. If you're driving, ride-sharing or catching a cab from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

  • The journey on public transport takes about 35 minutes.

  • Get your break off to a leisurely start by staying near BCN. Whether you're catching an early flight from Barcelona-El Prat Airport to San Francisco International Airport or want to avoid feeling rushed, these stays have you covered:

Arriving at San Francisco International Airport (SFO)

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 20 minutes to reach the centre driving.

  • Getting there on public transport takes roughly 45 minutes.

When to fly to San Francisco International Airport (SFO)

  • August is the busiest month for flights from Barcelona-El Prat Airport to San Francisco International Airport. To avoid the crowds, travel to San Francisco in February.

  • The warmest month in San Francisco is September, with the temperature ranging between 12ºC (54ºF) and 22ºC (72ºF). Book your flights from Barcelona-El Prat Airport to San Francisco International Airport in this month if you like this kind of weather.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from BCN to SFO in January. Average temperatures are between 6ºC (43ºF) and 16ºC (61ºF) then.

Explore more of United States

  • You've visited San Francisco, now it's time to explore more of United States. Journey about 64 kilometres south-east to San Jose to tick off its popular sights. From Winchester Mystery House to Rosicrucian Egyptian Museum and San Jose Museum of Art, you'll have a packed itinerary ahead.

  • Around 257 kilometres south-east of San Francisco, Fresno is another favourite stop in United States. Experience major highlights starting with Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.

Plan the rest of your trip from Barcelona to San Francisco

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.