Cheap Flights from San Francisco International to Barcelona

Travellers and cabin class

Compare San Francisco International to Barcelona flight deals

Find the cheapest month or even day of the year to fly to Barcelona

Book the best Barcelona fare with no extra fees

Flight deals from San Francisco International to Barcelona

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Barcelona? Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from San Francisco International to Barcelona

San Francisco International to Barcelona: Alternative routes

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

San Francisco to Barcelona: Flight information

The things to know before you go.
Cheapest flight foundR 4,460
Average flight time11 hrs, 38 mins
Most popular airlineUnited
Average flights per week20

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

The best price we found for a return flight from San Francisco International to Barcelona is R 6,843. 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.
11 hours and 38 minutes is the average flight time from San Francisco International to Barcelona.
United, Lufthansa and Iberia For Level fly direct from San Francisco International to Barcelona.
As of June 2025, there are 20 flights per week flying from San Francisco International to Barcelona.
The cheapest month to fly from San Francisco International to Barcelona is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Barcelona Airport on Saturday, 4 October 2025.
Yes – the average flight time is 11 hours and 38 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 Barcelona 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 Barcelona is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, LEVEL offers the cheapest flight tickets to Barcelona.

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

  • Around 11 hours 40 minutes is how long you can expect to be travelling on a direct flight from San Francisco International Airport to Barcelona-El Prat Airport.

  • Barcelona is eight hours ahead of San Francisco and is in the UTC+1 timezone.

  • Every week, there are ten San Francisco International Airport to Barcelona-El Prat Airport flights. To get going as soon as possible, jump on the 17:30 United Airlines flight. If you'd rather make the most of your day before flying, the last departure is at 22:50 with Iberia.

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

  • Flying during a peak time such as August? School holidays and other popular seasons can mean longer queues and delays at airport checkpoints. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • Iberia offers direct flights from San Francisco International Airport to Barcelona-El Prat Airport. Book with this popular airline, then get ready to check out the sights in Barcelona — and maybe even more of Spain if you have time.

  • The airline that serves the most passengers on this route is Iberia.

  • Think about adding a stopover when booking your ticket from San Francisco International Airport to Barcelona-El Prat Airport. Just deselect 'Direct flights only' to break up your trip, or enjoy a detour to a new and interesting place. Here's where you can stop between SFO and BCN:

    • London Heathrow Airport

    • Frankfurt Airport

    • Charles de Gaulle Airport

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

  • Right now, R 4,460 is the lowest price we've found for a one-way San Francisco International Airport to Barcelona-El Prat Airport flight. The best price for a return ticket is R 6,843. Bear in mind that fares could change due to availability when booking.

  • Book ten months before you want to fly. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from SFO to BCN.

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

  • Getting your hands on cheap flights from SFO to BCN is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

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

Handy information about San Francisco International Airport (SFO)

  • 77.36% of flights that take off from San Francisco International Airport land at their destination on schedule.

  • Central San Francisco to San Francisco International Airport is approximately 21 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Catching public transport? Expect a journey time of around 45 minutes.

  • Searching for a convenient hotel close to SFO? If you're boarding an early flight from San Francisco International Airport to Barcelona-El Prat Airport, these stays will have you moments from your departure gate:

Arriving at Barcelona-El Prat Airport (BCN)

  • If you're getting in on a late San Francisco International Airport to Barcelona-El Prat Airport flight, few things top the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these hotels near BCN:

  • Grab a Barcelona-El Prat Airport rental car and explore Barcelona and beyond with your own set of wheels. Record Go, Goldcar and Nizacars Rent A Car are well-known companies to choose from here.

  • Lock in the best rate by reserving your ride from Barcelona-El Prat Airport around four weeks before your departure date.

Getting from Barcelona-El Prat Airport (BCN) to central Barcelona

  • Barcelona-El Prat Airport is roughly 18 kilometres from central Barcelona. Driving there takes about 25 minutes.

  • It takes around 35 minutes if you're travelling on public transport.

When to fly to Barcelona-El Prat Airport (BCN)

  • July is the most popular month for flights from San Francisco International Airport to Barcelona-El Prat Airport. To escape the crowds, head to Barcelona in January.

  • The warmest month in Barcelona is August, with temperatures ranging between 20ºC (68ºF) and 31ºC (88ºF). Lock in your flights from San Francisco International Airport to Barcelona-El Prat Airport in this month if this is the type of weather you like.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from SFO to BCN in January. Temperatures average between 5ºC (41ºF) and 14ºC (57ºF) then.

Explore more of Spain

  • You've seen Barcelona, now it's time to discover more of Spain. Journey around 257 kilometres west to Zaragoza to tick off its top sights. From Puente de Piedra to Museo Pablo Gargallo and El Tubo, there's plenty to keep you on the go.

  • Logroño is another standout destination in Spain and is around 402 kilometres west of Barcelona. No journey is complete without experiencing Concatedral de Santa Maria de la Redonda, Museo de la Rioja and Iglesia de Santiago el Real.

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